Welcome to the combined product training module of Linear Technology and Wurth Electronics about their efficient design solution for DC/DC Flyback
|
|
- Bryan Park
- 8 years ago
- Views:
Transcription
1 Welcome to the combined product training module of Linear Technology and Wurth Electronics about their efficient design solution for DC/DC Flyback Converters. As leading manufacturers in their industries, Linear Technologies and Wurth Electronics goal is it to deliver complete and easy to design and source solutions to the engineering market. The Product Module contains information about the high input voltage isolated flyback controller LT3748, as well as Wurth Electronics standard flyback transformers trimmed to work with Controllers of Linear Technolgogy. In addition this Product Training Module also introduces the Evaluation Kits with demoboards from LT with a pre-selection of transformers for flexible voltage outputs. 1
2 The LT3748 is a simple to use high input voltage isolated flyback controller that does not need an optocoupler and shunt regulator/opto-driver to complete the circuit. These features combined with extra pin spacing for high voltage operation, simplify the design, allow for a smaller solution size and require only one component crossing the isolation barrier. The competition requires an optocoupler and a shunt regulator/opto-driver to complete the circuit, and does not have extra IC pin spacing for high voltage operation. 2
3 The LT3748 is a high input voltage isolated flyback DC/DC controller that significantly simplifies the design of an isolated DC/DC converter. No opto-isolator, third winding or signal transformer is required for feedback since the output voltage is sensed from the primary-side flyback signal during the off time of the power switch. The LT3748 operates over a 5V to 100V input voltage range, drives an external N-channel power MOSFET and can deliver up to about 60 watts. The LT3748 operates in boundary mode, which is a variable frequency current mode control switching scheme, resulting in +/-5% typical regulation over the full line, load and temperature range. Boundary mode also permits the use of a smaller transformer compared to equivalent continuous conduction mode designs. The output voltage is easily set by two external resistors and the transformer turns ratio. Twenty five off-theshelf transformers are identified in the data sheet for ease of use. Additional features include an onboard low drop regulator for IC power, programmable soft start, undervoltage lockout, adjustable current limit and output voltage temperature compensation. The LT3748 is available in a small MSOP-16 package with 4 pins removed for additional high voltage pin spacing and has an operating junction temperature range at -40 C to 125 C. 3
4 This PR Photo shows the basic parts for the circuit and that the LT3748 can accept up to 100V on the IC. 4
5 This schematic shows all the parts required to complete a LT3748 circuit. This app circuit converts a nominal 48V (36V to 72V) input to an isolated 2A. 5
6 The LT3748 maintains a tight +/- 1% load regulation from 0.1A to full load. 6
7 The LT3748 is available in a MSOP-16 package with 4 pins removed for high voltage spacing requirements. 7
8 Wurth Electronics WE-FB series is designed for several Linear Technology IC s. Besides the LT3748, these components are also trimmed to work for LT s LT3575, LT3754 or LT3573. Wurth Electronics WE-FB series contains over 60 standard parts which are available from stock at digikey.com with several different output configurations. The components are deisgned with standard materials which make them a cost effective and easy to source transformer solution. Due to Wurth Electronics strength in winding technology of magnetics, the WE-FB transformers are trimmed to a low leakage inductance to increase the efficiency of the DC/DC converter. In addition, Wurth Electronics transformers are equipped with an outstanding EMI behavior. 8
9 All transformers of the WE-FB series are optimized for a very low leakage inductance in order to guarantee a good efficiency of the device. High leakage inductances cause high voltage spices on the switch and therefore need to be reduced by a snubber network. The losses generated in the snubber are related to the height of the voltage spike. This means lower leakage inductance causes a lower voltage peak and therefore lower losses. The low leakage inductance is achieved by full flat layers and split windings. Wire is selected to fill the layers. When needed, multiple strands are used to fully fill the layer. As an example, Picture 1 shows the winding build of You can clearly see that Primary and Secondary is build by multiple strands (bifilar resp. qudfilar). In addition to this, they are split parallel. So the winding order is. Secondary 1 => Primary 1 => Auxiliary => Secondary 2 => Primary 2. Secondary 1 and 2 resp. Primary 1 and 2 are connected in parallel. With this structure, the typical leakage inductance of is 130nH at 100kHz. 9
10 Wurth Electronics has released over 60 standard transformers for the use with Linear Technologies LT3748/LT3573/LT3574/LT3575. The clear advantage is the ability to find the right transformer for the DC/DC flyback design with out going through the process of a sourcing a custom transformer. The transformers are available from <1W of up to 50W max. power and are designed to 1.5kV isolation voltage. Selected values are designed to even meet 2.5kV or 4kV isolation. All shown parts are available from stock at digikey.com. 10
11 Linear Technology and Wurth Electronics released for the shown DC/DC flyback converter solution two evaluation kits for 30W and 12W output power. The kit contains the Linear Tech eval board DC1694A with 3 pre-selected transformers for applications with up to 30W. The transformers have output voltages of 12V, 15V and 24V. In addition to those suggested parts, other versions with several output voltages and currents are available from stock. To make this evaluation kit a real solution for every design engineer, Linear and Wurth added all the documentation and specs as well as design tips for the assortment. 11
12 12
13 The LT3748 can be used in a broad range of isolated requirements in industrial, 48V Telecom and datacom requirements. Isolation can also be required to keep noise from permeating through on a bus voltage in a noise sensitive application, such as GPS systems, programmable logic controllers, displays and medical systems. The LT3748 s high level of integration results in a simple, clean application solution to the traditionally tough problem of isolated power delivery. All products shown are in stock at 13
How To Make A Power Supply For A Flyback Power Supply
Design Note DN0501/D A 0 to 5 Watt, Low Cost, Off-line Power Supply Device Application Input Voltage Output Power Topology I/O Isolation White Goods, Small NCP151B Instruments, E- NCP41 90 67 Vac 0 to
More informationThe Flyback Converter
The Flyback Converter Lecture notes ECEN4517! Derivation of the flyback converter: a transformer-isolated version of the buck-boost converter! Typical waveforms, and derivation of M(D) = V/! Flyback transformer
More informationDesign of an Auxiliary Power Distribution Network for an Electric Vehicle
Design of an Auxiliary Power Distribution Network for an Electric Vehicle William Chen, Simon Round and Richard Duke Department of Electrical & Computer Engineering University of Canterbury, Christchurch,
More informationDesign of a TL431-Based Controller for a Flyback Converter
Design of a TL431-Based Controller for a Flyback Converter Dr. John Schönberger Plexim GmbH Technoparkstrasse 1 8005 Zürich 1 Introduction The TL431 is a reference voltage source that is commonly used
More informationAC/DC Power Supply Reference Design. Advanced SMPS Applications using the dspic DSC SMPS Family
AC/DC Power Supply Reference Design Advanced SMPS Applications using the dspic DSC SMPS Family dspic30f SMPS Family Excellent for Digital Power Conversion Internal hi-res PWM Internal high speed ADC Internal
More information400KHz 60V 4A Switching Current Boost / Buck-Boost / Inverting DC/DC Converter
Features Wide 5V to 32V Input Voltage Range Positive or Negative Output Voltage Programming with a Single Feedback Pin Current Mode Control Provides Excellent Transient Response 1.25V reference adjustable
More informationPlanar versus conventional transformer
Planar versus conventional transformer Majid Dadafshar, Principal Engineer Gerard Healy, Field Application Engineer Pulse, a Technitrol Company Power Division Usually the first step on any power supply
More informationAND8247/D. Application Note for a 5.0 to 6.5 W POE DC to DC Converter APPLICATION NOTE
Application Note for a 5.0 to.5 W POE DC to DC Converter Prepared by: Frank Cathell ON Semiconductor APPLICATION NOTE INTRODUCTION A solution to one aspect of Power Over Ethernet (POE) is presented here
More informationPower Management & Supply. Design Note. Version 1.0, Nov. 2001 DN-EVALMF2ICE2A265-1. CoolSET 35W DVD Power Supply with ICE2A265.
Version 1.0, Nov. 2001 Design Note DN-EVALMF2ICE2A265-1 CoolSET 35W DVD Power Supply with ICE2A265 Author: Harald Zöllinger Published by Infineon Technologies AG http://www.infineon.com Power Management
More informationDesign Considerations for an LLC Resonant Converter
Design Considerations for an LLC Resonant Converter Hangseok Choi Power Conversion Team www.fairchildsemi.com 1. Introduction Growing demand for higher power density and low profile in power converter
More informationAN2228 APPLICATION NOTE
AN2228 APPLICATION NOTE STD1LNK60Z-based Cell Phone Battery Charger Design Introduction This application note is a Ringing Choke Converter (RCC)-based, step-by-step cell phone battery charger design procedure.
More information47000 SERIES - ELECTRONIC TRANSFORMERS
7000 SERIES - ELECTRONIC TRANSFORMERS MYRRA encapsulated electronic transformers are Switched Mode Power Supplies based on Flyback topology. They constitute an interesting alternative to the traditional
More information7-41 POWER FACTOR CORRECTION
POWER FTOR CORRECTION INTRODUCTION Modern electronic equipment can create noise that will cause problems with other equipment on the same supply system. To reduce system disturbances it is therefore essential
More information400-800. Series OMEGA WATTS POWER SUPPLY AC/DC SINGLE OR MULTIPLE OUTPUT. Flexible modular design. Programmable outputs** Power factor correction***
INPUT Input protection Thermal protection Switching frequency internal fuse standard 100KHz Input with PFC : (MML400PFC, MML600, MML800) Input voltage range 85*-264VAC Inrush current (peak) MML400PFC
More informationDesigning DC/DC Converters to Meet CCITT Specifications for ISDN Terminals
Designing DC/DC Converters to Meet CCITT Specifications for ISDN Terminals AN704 Integrated Services Digital Network (ISDN) standards are a major step towards the realization of a worldwide information
More information3-Phase Synchronous PWM Controller IC Provides an Integrated Solution for Intel VRM 9.0 Design Guidelines
3-Phase Synchronous PWM Controller IC Provides an Integrated Solution for Intel VRM 9.0 Design Guidelines Odile Ronat International Rectifier The fundamental reason for the rapid change and growth in information
More informationGT Sensors Precision Gear Tooth and Encoder Sensors
GT Sensors Precision Gear Tooth and Encoder Sensors NVE s GT Sensor products are based on a Low Hysteresis GMR sensor material and are designed for use in industrial speed applications where magnetic detection
More informationDesign and Applications of HCPL-3020 and HCPL-0302 Gate Drive Optocouplers
Design and Applications of HCPL-00 and HCPL-00 Gate Drive Optocouplers Application Note 00 Introduction The HCPL-00 (DIP-) and HCPL-00 (SO-) consist of GaAsP LED optically coupled to an integrated circuit
More informationSolar Inverters. Ferrites in Renewable Energies: Solar Inverters. customer requirements. Support and flexibility to design custom product to fulfill
Support and flexibility to design custom product to fulfill customer requirements Optimum ferrite material selection for magnetic applications in the design for cost saving, and performance improvement
More informationMagnet field- and Radiation Tolerant New Power Supply System MARATON - Technical Overview. 22-Sep-03 1
Magnet field- and Radiation Tolerant New Power Supply System MARATON - Technical Overview 22-Sep-03 1 Modular Power Supply System MARATON 2 Versions: To power crates (UEP6..) or generic electronics (PL5..)
More informationPower Electronic Circuits
Power Electronic Circuits Assoc. Prof. Dr. H. İbrahim OKUMUŞ Karadeniz Technical University Engineering Faculty Department of Electrical And Electronics 1 DC to DC CONVERTER (CHOPPER) General Buck converter
More informationHigh Efficiency Battery Charger using Power Components [1]
application note TPB:101 High Efficiency Battery Charger using Power Components [1] Marco Panizza Senior Applications Engineer July 2006 Contents Page Introduction 1 A Unique Converter 1 Control Scheme
More information5W LED Lump Module Design with FT831B
5W LED Lump Module Design with FT831B 2009 Fremont Micro Devices ERP831BA1 - Page1 Index 1 INTRODUCTION... 3 2 MODULE SPECIFICATION... 3 2.1 Input Characteristics... 3 2.2 Output Characteristics... 3 2.3
More informationAND8328/D. 700 ma LED Power Supply Using Monolithic Controller and Off-Line Current Boosted (Tapped Inductor) Buck Converter
700 ma LED Power Supply Using Monolithic Controller and Off-Line Current Boosted (Tapped Inductor) Buck Converter Prepared by: Frank Cathell ON Semiconductor Introduction Light emitting diodes (LEDs) are
More informationTransformerless UPS systems and the 9900 By: John Steele, EIT Engineering Manager
Transformerless UPS systems and the 9900 By: John Steele, EIT Engineering Manager Introduction There is a growing trend in the UPS industry to create a highly efficient, more lightweight and smaller UPS
More informationSilvertel. Ag5200. 1 Features. 2 Description. Power-over-Ethernet Plus Module. IEEE802.3at and IEEE802.3af compliant. Maximum 30W output power
Silvertel V1.1 November 2012 Datasheet Pb 1 Features IEEE802.3at and IEEE802.3af compliant Maximum 30W output power Dual In-Line (DIL) package size 50.6mm (L) x 30mm (W) Overload, short-circuit and thermal
More informationSD4840/4841/4842/4843/4844
CURRENT MODE PWM CONTROLLER WITH BUILT-IN HIGH VOLTAGE MOSFET DESCRIPTION SD4840/4841/4842/4843/4844 is a current mode PWM controller with low standby power and low start current for power switch. In standby
More informationPower supplies. EE328 Power Electronics Assoc. Prof. Dr. Mutlu BOZTEPE Ege University, Dept. of E&E
Power supplies EE328 Power Electronics Assoc. Prof. Dr. Mutlu BOZTEPE Ege University, Dept. of E&E EE328 POWER ELECTRONICS Outline of lecture Introduction to power supplies Modelling a power transformer
More informationThe leakage inductance of the power transformer
Nondissipative lamping Benefits - onverters Even if small, a transformer s leakage inductance reduces the efficiency of some isolated dc-dc converter topologies However, the technique of lossless voltage
More informationTDA4605 CONTROL CIRCUIT FOR SWITCH MODE POWER SUPPLIES USING MOS TRANSISTORS
CONTROL CIRCUIT FOR SWITCH MODE POWER SUPPLIES USING MOS TRANSISTORS Fold-Back Characteristic provides Overload Protection for External Diodes Burst Operation under Short-Circuit and no Load Conditions
More informationIntroduction to Power Supplies
Introduction to Power Supplies INTRODUCTION Virtually every piece of electronic equipment e g computers and their peripherals calculators TV and hi-fi equipment and instruments is powered from a DC power
More informationPush-Pull FET Driver with Integrated Oscillator and Clock Output
19-3662; Rev 1; 5/7 Push-Pull FET Driver with Integrated Oscillator General Description The is a +4.5V to +15V push-pull, current-fed topology driver subsystem with an integrated oscillator for use in
More informationSELF-OSCILLATING HALF-BRIDGE DRIVER
Data Sheet No. PD60029 revj I2155&(PbF) (NOTE: For new designs, we recommend I s new products I2153 and I21531) SELF-OSCILLATING HALF-BIDGE DIE Features Floating channel designed for bootstrap operation
More informationSpecifications are at T A = 25 C
DESCRIPTION Demo circuit DC1723A features the LTM 8050, a μmodule (micromodule) step-down converter that can deliver up to 2A of output current. DC1723A is designed for a 5V, 2A output from a 7.5V to 58V
More informationBridgeless PFC Implementation Using One Cycle Control Technique
Bridgeless PFC Implementation Using One Cycle Control Technique Bing Lu Center for Power Electronics Systems Virginia Polytechnic Institute and State University 674 Whittemore Hall Blacksburg, VA 24061
More informationKit 106. 50 Watt Audio Amplifier
Kit 106 50 Watt Audio Amplifier T his kit is based on an amazing IC amplifier module from ST Electronics, the TDA7294 It is intended for use as a high quality audio class AB amplifier in hi-fi applications
More informationDC-DC Converter Basics
Page 1 of 16 Free Downloads / Design Tips / Java Calculators / App. Notes / Tutorials / Newsletter / Discussion / Components Database / Library / Power Links / Software / Technical Articles / On-Line Textbook
More informationContent Map For Career & Technology
Content Strand: Applied Academics CT-ET1-1 analysis of electronic A. Fractions and decimals B. Powers of 10 and engineering notation C. Formula based problem solutions D. Powers and roots E. Linear equations
More informationAND8147/D. An Innovative Approach to Achieving Single Stage PFC and Step-Down Conversion for Distributive Systems APPLICATION NOTE
An Innovative Approach to Achieving Single Stage PFC and Step-Down Conversion for Distributive Systems APPLICATION NOTE INTRODUCTION In most modern PFC circuits, to lower the input current harmonics and
More informationApplication Note, Rev.1.0, September 2008 TLE8366. Application Information. Automotive Power
Application Note, Rev.1.0, September 2008 TLE8366 Automotive Power Table of Contents 1 Abstract...3 2 Introduction...3 3 Dimensioning the Output and Input Filter...4 3.1 Theory...4 3.2 Output Filter Capacitor(s)
More informationEvaluating AC Current Sensor Options for Power Delivery Systems
Evaluating AC Current Sensor Options for Power Delivery Systems State-of-the-art isolated ac current sensors based on CMOS technology can increase efficiency, performance and reliability compared to legacy
More informationKeywords: input noise, output noise, step down converters, buck converters, MAX1653EVKit
Maxim > Design Support > Technical Documents > Tutorials > Power-Supply Circuits > APP 986 Keywords: input noise, output noise, step down converters, buck converters, MAX1653EVKit TUTORIAL 986 Input and
More informationHarmonics and Noise in Photovoltaic (PV) Inverter and the Mitigation Strategies
Soonwook Hong, Ph. D. Michael Zuercher Martinson Harmonics and Noise in Photovoltaic (PV) Inverter and the Mitigation Strategies 1. Introduction PV inverters use semiconductor devices to transform the
More informationFairchild On-Line Design Tool: Power Supply WebDesigner Step-by-Step Guide
Fairchild On-Line Design Tool: Power Supply WebDesigner Step-by-Step Guide Start Decide what your power supply requirements will be. Design Example: For this step we will design an AC to DC off-line power
More informationProgrammable Single-/Dual-/Triple- Tone Gong SAE 800
Programmable Single-/Dual-/Triple- Tone Gong Preliminary Data SAE 800 Bipolar IC Features Supply voltage range 2.8 V to 18 V Few external components (no electrolytic capacitor) 1 tone, 2 tones, 3 tones
More informationiw1697 Product Brief Low-Power Off-Line Digital Green-Mode PWM Controller Description Applications
.0 Features Primary-side feedback eliminates opto-isolators and simplifi es design No-load power consumption < 0 mw at 0 V with ac typical application circuit ( star rating) Active start-up scheme enables
More informationTEP 200WIR Series, 180 240 Watt
TEP 200WIR Series, 180 240 Watt Features Chassis mount with screw terminal block Including EMI filter to meet EN 55022, class A Ultra wide 4:1 input voltage ranges 8.5 36, 16.5 75, 43 160 VDC EN 50155
More informationLM5001 High Voltage Switch Mode Regulator
High Voltage Switch Mode Regulator General Description The LM5001 high voltage switch mode regulator features all of the functions necessary to implement efficient high voltage Boost, Flyback, SEPIC and
More informationInrush Current. Although the concepts stated are universal, this application note was written specifically for Interpoint products.
INTERPOINT Although the concepts stated are universal, this application note was written specifically for Interpoint products. In today s applications, high surge currents coming from the dc bus are a
More informationSafety technique. Emergency stop module BO 5988 safemaster
Safety technique Emergency stop module BO 5988 safemaster 0221562 Function diagram Pushbutton on Mains or emergencystop () K1 According to EC Directive for machines 98/37/EG According to IEC/E 60204-1
More informationModeling Grid Connection for Solar and Wind Energy
1 Modeling Grid Connection for Solar and Wind Energy P. J. van Duijsen, Simulation Research, The Netherlands Frank Chen, Pitotech, Taiwan Abstract Modeling of grid connected converters for solar and wind
More informationSimple PWM Boost Converter with I/O Disconnect Solves Malfunctions Caused when V OUT <V IN
Simple PWM Boost Converter with I/O Disconnect Solves Malfunctions Caused when V OUT
More informationDC/DC power modules basics
DC/DC power modules basics Design Note 024 Ericsson Power Modules General Abstract This design note covers basic considerations for the use of on-board switch mode DC/DC power modules, also commonly known
More informationQUICK START GUIDE FOR DEMONSTRATION CIRCUIT 994 THREE CHANNEL LED BALLASTER WITH PWM LT3003 DESCRIPTION
LT00 DESCRIPTION Demonstration circuit features the LT00 three channel LED ballaster with in a 0-lead MSOP thermally enhanced MSE package. The demonstration circuit is designed to ballast three channels
More informationUser Guide #0602. User Guide for IRDC3624 Evaluation Board using IRF8910 SO-8, dual MOSFET and 2x 22µF ceramic output capacitors.
User Guide #0602 User Guide for IRDC3624 Evaluation Board using IRF8910 SO-8, dual MOSFET and 2x 22µF ceramic output capacitors By Parviz Parto Table of Contents Page Description...1 Connections...1-2
More informationFeatures. Modulation Frequency (khz) VDD. PLL Clock Synthesizer with Spread Spectrum Circuitry GND
DATASHEET IDT5P50901/2/3/4 Description The IDT5P50901/2/3/4 is a family of 1.8V low power, spread spectrum clock generators capable of reducing EMI radiation from an input clock. Spread spectrum technique
More informationHow to design SMPS to Pass Common Mode Lightning Surge Test
Application Note, V1.0, September 2006 How to design SMPS to Pass Common Mode Lightning Surge Test Power Management & Supply N e v e r s t o p t h i n k i n g. Edition 2006-09-06 Published by Infineon
More informationDesign Project: Power inverter
Design Project: Power inverter This worksheet and all related files are licensed under the Creative Commons Attribution License, version 1.0. To view a copy of this license, visit http://creativecommons.org/licenses/by/1.0/,
More informationApplication Note AN- 1095
Application Note AN- 1095 Design of the Inverter Output Filter for Motor Drives with IRAMS Power Modules Cesare Bocchiola Table of Contents Page Section 1: Introduction...2 Section 2 : Output Filter Design
More informationTOPOLOGIES FOR SWITCHED MODE POWER SUPPLIES
TOPOLOGIES FOR SWITCHED MODE POWER SUPPLIES by L. Wuidart I INTRODUCTION This paper presents an overview of the most important DC-DC converter topologies. The main object is to guide the designer in selecting
More informationChapter 4. LLC Resonant Converter
Chapter 4 LLC Resonant Converter 4.1 Introduction In previous chapters, the trends and technical challenges for front end DC/DC converter were discussed. High power density, high efficiency and high power
More informationNoise Free 90+ for LCD TV AC Adapter Desk Top. 96% x 96% = 92.16% Champion Microelectronic. 96+ Interleaved CRM PFC CM6565 PFC & PFC PWM PWM
Soft Soft Switching Switching PFC PFC & & Soft Soft Switching Switching PWM PWM 96% x 96% = 92.16% Noise Free 90+ for LCD TV AC Adapter Desk Top 1 96% x 96% = 92.16% 96+ LLC/SRC + SR CM6900/1 92% x 96%
More information1ED Compact A new high performance, cost efficient, high voltage gate driver IC family
1ED Compact A new high performance, cost efficient, high voltage gate driver IC family Heiko Rettinger, Infineon Technologies AG, Am Campeon 1-12, 85579 Neubiberg, Germany, heiko.rettinger@infineon.com
More informationDesigners Series XII. Switching Power Magazine. Copyright 2005
Designers Series XII n this issue, and previous issues of SPM, we cover the latest technologies in exotic high-density power. Most power supplies in the commercial world, however, are built with the bread-and-butter
More informationPower supply output voltages are dropping with each
DESIGNER S SERIES Second-Stage LC Filter Design First Inductor by Dr. Ray Ridley First Capacitor Power supply output voltages are dropping with each new generation of Integrated Circuits (ICs). Anticipated
More informationApplication Examples
ISHAY SEMICONDUCTORS www.vishay.com Optocouplers and Solid-State Relays Application Note 2 INTRODUCTION Optocouplers are used to isolate signals for protection and safety between a safe and a potentially
More informationDEMO MANUAL DC1595A LT3799 Offline Isolated Flyback Led Controller with PFC DESCRIPTION
LT799 Offline Isolated Flyback Led Controller with PFC DESCRIPTION Demonstration circuit 595A is an off-line isolated flyback converter featuring LT799. The demo board is designed to drive a 0V nominal
More informationAmplifier for Small Magnetic and Electric Wideband Receiving Antennas (model AAA-1B)
Amplifier for Small Magnetic and Electric Wideband Receiving Antennas (model AAA-1B) 1. Description and Specifications Contents 1.1 Description 1.2 1.2 Specifications 1.3 1.3 Tested parameters in production
More informationHV start-up DCM/QR flyback controller with integrated DCM/QR PFC controller
HV start-up DCM/QR flyback with integrated DCM/QR PFC Rev. 1.1 13 March 2015 Product data sheet 1. General description The GreenChip is the latest generation of green Switched Mode Power Supply (SMPS)
More informationDEMO MANUAL DC1623A LTM8033: 36V IN, 3A Low EMI Step-Down µmodule Regulator DESCRIPTION
LTM80: 6V IN, A Low EMI Step-Down µmodule Regulator DESCRIPTION Demonstration circuit DC6A features the LTM 80, a low-emi EN550 Class B certified step-down μmodule regulator, pre-configured for a.v output
More informationDesign and Construction of Variable DC Source for Laboratory Using Solar Energy
International Journal of Electronics and Computer Science Engineering 228 Available Online at www.ijecse.org ISSN- 2277-1956 Design and Construction of Variable DC Source for Laboratory Using Solar Energy
More informationBi-directional level shifter for I²C-bus and other systems.
APPLICATION NOTE Bi-directional level shifter for I²C-bus and other Abstract With a single MOS-FET a bi-directional level shifter circuit can be realised to connect devices with different supply voltages
More informationPOWER FORUM, BOLOGNA 20-09-2012
POWER FORUM, BOLOGNA 20-09-2012 Convertitori DC/DC ad alta densità di potenza e bassa impedenza termica. Massimo GAVIOLI. Senior Field Application Engineer. Intersil SIMPLY SMARTER Challenges when Designing
More informationLM2704 Micropower Step-up DC/DC Converter with 550mA Peak Current Limit
Micropower Step-up DC/DC Converter with 550mA Peak Current Limit General Description The LM2704 is a micropower step-up DC/DC in a small 5-lead SOT-23 package. A current limited, fixed off-time control
More informationApplication Note AN:005. FPA Printed Circuit Board Layout Guidelines. Introduction Contents. The Importance of Board Layout
FPA Printed Circuit Board Layout Guidelines By Paul Yeaman Principal Product Line Engineer V I Chip Strategic Accounts Introduction Contents Page Introduction 1 The Importance of 1 Board Layout Low DC
More informationWhen the Power Fails: Designing for a Smart Meter s Last Gasp
When the Power Fails: Designing for a Smart Meter s Last Gasp Daniel Pruessner 1/10/2012 5:25 PM EST Overview Smart meter designers have an unusual predicament: The meter is powered from the same bus that
More informationCreating a Usable Power Supply from a Solar Panel
Creating a Usable Power Supply from a Solar Panel An exploration in DC- DC converters By Kathleen Ellis Advised by Dr. Derin Sherman Department of Physics, Cornell College November 21, 2012 Introduction
More informationSPREAD SPECTRUM CLOCK GENERATOR. Features
DATASHEET ICS7152 Description The ICS7152-01, -02, -11, and -12 are clock generators for EMI (Electro Magnetic Interference) reduction (see below for frequency ranges and multiplier ratios). Spectral peaks
More informationSilvertel. Ag9800M. 1. Features. 2. Description. Miniature PoE Module. Small SMT package. IEEE802.3af compliant. Low cost
Silvertel V1.2 December 2014 Datasheet Ag9800M Miniature PoE Module Pb 1. Features Small SMT package IEEE802.3af compliant Low cost Input voltage range 36V to 57V Minimal external components required Short-circuit
More informationSolar Energy Conversion using MIAC. by Tharowat Mohamed Ali, May 2011
Solar Energy Conversion using MIAC by Tharowat Mohamed Ali, May 2011 Abstract This work introduces an approach to the design of a boost converter for a photovoltaic (PV) system using the MIAC. The converter
More informationFPAB20BH60B PFC SPM 3 Series for Single-Phase Boost PFC
FPAB20BH60B PFC SPM 3 Series for Single-Phase Boost PFC Features UL Certified No. E209204 (UL1557) 600 V - 20 A Single-Phase Boost PFC with Integral Gate Driver and Protection Very Low Thermal Resistance
More informationLM2576R. 3.0A, 52kHz, Step-Down Switching Regulator FEATURES. Applications DESCRIPTION TO-220 PKG TO-220V PKG TO-263 PKG ORDERING INFORMATION
LM2576 FEATURES 3.3, 5.0, 12, 15, and Adjustable Output ersions Adjustable ersion Output oltage Range, 1.23 to 37 +/- 4% AG10Maximum Over Line and Load Conditions Guaranteed 3.0A Output Current Wide Input
More informationDesign Guide for Off-line Fixed Frequency DCM Flyback Converter
Design Guide for Off-line Fixed Frequency DCM Flyback Converter Allan A. Saliva Infineon Technologies North America (IFNA) Corp. Edition 2013-01 Published by Infineon Technologies North America 27703 Emperor
More informationContents. Document information
User Manual Contents Document information... 2 Introduction... 3 Warnings... 3 Manufacturer... 3 Description... Installation... Configuration... Troubleshooting...11 Technical data...12 Device Scope: PCB
More informationSTUDY OF CELLPHONE CHARGERS
STUDY OF CELLPHONE CHARGERS Author : Suraj Hebbar Systems Lab, CeNSE,IISc Banglore ABSTRACT This report shows charging nature of different cellphone chargers with different cellphones. Here we took into
More informationWhat Is Regeneration?
What Is Regeneration? Braking / Regeneration Manual Regeneration Overview Revision 1.0 When the rotor of an induction motor turns slower than the speed set by the applied frequency, the motor is transforming
More informationHigh Performance Current Mode PWM Controller Cycle Turning + POWER FROM LIEMIC. For, 2008 LIEMIC Semiconductor Co.,Ltd. LN3C63AD REV: 1.0.
LN3C63 High Performance Current Mode PWM Controller Cycle Turning + POWER FROM LIEMIC For, Adaptor & Charger Offline Power Supply Open Frame Power DVD&DVB Player Auxiliary Power for PC etc..... 2008 LIEMIC
More informationSELECTION GUIDE. Nominal Input
www.murata-ps.com NKE Series FEATURES RoHS Compliant Sub-Miniature SIP & DIP Styles 3kVDC Isolation UL Recognised Wide Temperature performance at full 1 Watt load, 40 C to 85 C Increased Power Density
More informationSolar Mobile charging Solutions
Solar Mobile charging Solutions Solar power is one of the widely available energy sources. It has been in focus worldwide and solar installations of capacities in megawatts order are reality today. The
More informationDCDC-USB. 6-34V 10A, Intelligent DC-DC converter with USB interface. Quick Installation Guide Version 1.0c P/N DCDC-USB
DCDC-USB 6-34V 10A, Intelligent DC-DC converter with USB interface Quick Installation Guide Version 1.0c P/N DCDC-USB Introduction The DCDC-USB is a small yet powerful DC-DC power supply designed to power
More informationACT4077 Driver for MACAIR A3818, A5690, A5232, A4905 & MIL-STD-1553
ACT4077 Driver for MACAIR A3818, A5690, A5232, A4905 & MIL-STD-1553 Features CIRCUIT TECHNOLOGY www.aeroflex.com ACT4077 Driver meets MIL-STD-1553A & B, Macair A3818, A4905, A5232 and A5690 specs Bipolar
More informationApplication Note AN- 1118
Application Note AN- 111 IR331x : urrent Sensing High Side Switch P3 By David Jacquinod Table of ontents Page Introduction... 2 Inner Architecture... 2 Reverse Battery Protection... 2 Wait function...
More informationUnit/Standard Number. High School Graduation Years 2010, 2011 and 2012
1 Secondary Task List 100 SAFETY 101 Demonstrate an understanding of State and School safety regulations. 102 Practice safety techniques for electronics work. 103 Demonstrate an understanding of proper
More informationLDS8720. 184 WLED Matrix Driver with Boost Converter FEATURES APPLICATION DESCRIPTION TYPICAL APPLICATION CIRCUIT
184 WLED Matrix Driver with Boost Converter FEATURES High efficiency boost converter with the input voltage range from 2.7 to 5.5 V No external Schottky Required (Internal synchronous rectifier) 250 mv
More informationAPD336.221/.421 3 Outputs 19" DC/DC Converter, 50 Watt
APD336.221/.421 3 Outputs 19" DC/DC Converter, 50 Watt High efficiency: 79% (@ 48V) DCin wide range: 9...36V or 18...72V DC 8 HP plug in width H15 standard pinout Active inrush current suppression Voltage
More informationCMR Series Isolated 0.75W Single and Dual Output Isolated DC/DC Converters
www.murata-ps.com CMR Series SELECTION GUIDE FEATURES Single or Dual Isolated Outputs 1kVDC or 3kVDC options Wide temperature performance at full 0.75W load -40 C to 85C Industry Standard Pinouts 5V, 12V
More informationNew High Current MOSFET Module Offers 177 µω R DS(on)
ew High Current Offers 177 µω R D(on) By William C. Kephart, Eric R. Motto Application Engineering owerex Incorporated Abstract This paper describes a new family of high current modules optimized for industrial
More informationAND8451/D. Power Stage Design Guidelines for the NCL30000 Single Stage CrM Flyback LED Driver APPLICATION NOTE
AND8/D Power Stage Design Guidelines for the NCL0000 Single Stage CrM Flyback LED Driver Introduction Single stage critical conduction mode (CrM) flyback converters require different design considerations
More informationPhase-Control Alternatives for Single-Phase AC Motors Offer Smart, Low-Cost, Solutions Abstract INTRODUCTION
Phase-Control Alternatives for Single-Phase AC Motors Offer Smart, Low-Cost, Solutions by Howard Abramowitz, Ph.D EE, President, AirCare Automation Inc. Abstract - Single Phase AC motors continue to be
More informationFor a complete explanation of all the functions and configurations available please refer to the SC6006: Manual of operation.
PRELIMINARY TECHNICAL INFORMATION Three-phase Digital SCR Firing Board HIGHLIGHTS - Up to 480 V AC input supply voltage - Up to 700 V AC sync input - DSP controlled - Digital or analog input signaling
More information