1 Form A Solid-State Relay

Transcription

1 LH154AAB, LH154AABTR, LH154AT 1 Form A Solid-State Relay SMD S S' FEATURES Current limit protection DIP i S 6 1 DC 5 2 S' 4 3 Isolation test voltage 53 V RMS Typical R ON 2, max. 25 Load voltage 35 V Load current 12 ma High surge capability Clean bounce free switching Low power consumption SMD lead available on tape and reel Compliant to RoHS Directive 22/95/EC and in accordance to WEEE 22/96/EC DESCRIPTION The LH154 is robust, ideal for telecom and ground fault applications. It is an SPST normally open switch (form A) that replaces electromechanical relays in many applications. It is constructed using a GaAIAs LED for actuation control and an integrated monolithic die for the switch output. The die, fabricated in a high-voltage dielectrically isolated technology, is comprised of a photodiode array, switch control circuitry and MOSFET switches. In addition, it employs current-limiting circuitry which meets lightning surge testing as per ANSI/TIA-968-B and other regulatory voltage surge requirements when overvoltage protection is provided. APPLICATIONS General telecom switching Instrumentation Industrial controls Note See solid-state relays (application note 56) AGENCY APPROVALS UL1577: file no. E52744 system code H, double protection CSA: certification no BSI: certification no. 7979/798 FIMKO: DIN EN: (VDE 884)/ (pending), available with option 1 ORDERING INFORMATION L H # # # T R DIP SMD PART NUMBER ELECTR. VARIATION PACKAGE CONFIG. TAPE AND REEL 7.62 mm >.1 mm PACKAGE SMD-6 SMD-6, tape and reel DIP-6, thru hole UL, CSA, BSI, FIMKO LH154AAB LH154AABTR LH154AT Rev. 1.9, 25-Jul-11 1 Document Number: ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

2 LH154AAB, LH154AABTR, LH154AT ABSOLUTE MAXIMUM RATINGS (T amb = 25 C, unless otherwise specified) PARAMETER TEST CONDITION SYMBOL VALUE UNIT INPUT LED continuous forward current I F 5 ma LED reverse voltage I R 1 μa V R 8 V OUTPUT DC or peak AC load voltage I L 5 μa V L 35 V Continuous DC load current - bidirectional operation I L 12 ma Continuous DC load current - unidirectional operation I L 25 ma Peak load current (single shot) t = 1 ms I P (1) ma SSR Ambient temperature range T amb - 4 to + 85 C Storage temperature range T stg - 4 to + 15 C Pin soldering temperature (2) t = 1 s max. T sld 26 C Input to output isolation voltage V ISO 53 V RMS Output power dissipation (continuous) P diss 55 mw Notes Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute maximum ratings for extended periods of the time can adversely affect reliability. (1) Refer to current limit performance application note for a discussion on relay operation during transient currents. (2) Refer to reflow profile for soldering conditions for surface mounted devices (SMD). Refer to wave profile for soldering conditions for through hole devices (DIP). ELECTRICAL CHARACTERISTICS (T amb = 25 C, unless otherwise specified) PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT INPUT LED forward current, switch turn-on I L = 1 ma, t = 1 ms I Fon 1 2 ma LED forward current, switch turn-off V L = ± 3 V I Foff.2.9 ma LED forward voltage I F = 1 ma V F V OUTPUT On-resistance AC/DC: pin 4 (±) to 6 (±) I F = 5 ma, I L = 5 ma R ON On-resistance DC: pin 4, 6 (+) to 5 (±) I F = 5 ma, I L = 1 ma R ON Off-resistance I F = ma, V L = ± 1 V R OFF.5 5 G Current limit AC (1) : pin 4 (±) to 6 (±) I F = 5 ma, V L = ± 6 V, t = 5 ms I LMT ma Off-state leakage current I F = ma, V L = ± 1 V I O.32 2 na I F = ma, V L = ± 35 V I O 1 μa Output capacitance pin 4 to 6 I F = ma, V L = 1 V C O 55 pf I F = ma, V L = 5 V C O 1 pf Switch offset I F = 5 ma V OS.15 μv TRANSFER Capacitance (input to output) V ISO = 1 V C IO.8 pf Notes Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of engineering evaluations. Typical values are for information only and are not part of the testing requirements. (1) No DC mode current limit available. SWITCHING CHARACTERISTICS (T amb = 25 C, unless otherwise specified) PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT Turn-on time I F = 5 ma, I L = 5 ma t on ms Turn-off time I F = 5 ma, I L = 5 ma t off.5 2 ms Rev. 1.9, 25-Jul-11 2 Document Number: ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

3 LH154AAB, LH154AABTR, LH154AT SAFETY AND INSULATION RATINGS PARAMETER TEST CONDITION SYMBOL VALUE UNIT Climatic classification IEC 68 part 1 4/85/21 Pollution degree DIN VDE 19 2 Tracking resistance (comparative tracking index) Insulation group llla CTI 175 Highest allowable overvoltage Transient overvoltage V IOTM 8 V peak Max. working insulation voltage Recurring peak voltage V IORM 89 V peak Insulation resistance at 25 C R IS 1 12 Insulation resistance at T S V IO = 5 V R IS 1 9 Insulation resistance at 1 C R IS 1 11 Partial discharge test voltage Methode a, V pd = V IORM x V pd 1669 V peak Safety limiting values - Case temperature T SI 175 C maximum values allowed Input current I SI 3 ma in the event of a failure Output power P SO 7 mw Minimum external air gap (clearance) Minimum external tracking (creepage) Measured from input terminals to output terminals, shortest distance through air Measured from input terminals to output terminals, shortest distance path along body 7 7 mm mm TYPICAL CHARACTERISTICS (T amb = 25 C, unless otherwise specified) Load Current (ma) I FON = 5. ma to 2 ma I FON = 2. ma I FON = 4. ma I FON = 3. ma LED Forward Voltage (V) Min. I L = 1 ma Typ i154at_ Fig. 1 - Recommended Operating Conditions i154at_2 Fig. 3 - LED Dropout Voltage vs. Temperature LED Forward Voltage (V) I F = 1. ma I F = 2. ma IF = 5. ma 1. I F = 1 ma i154at_1 I F = 2 ma I F = 5 ma T A - Fig. 2 - LED Voltage vs. Temperature LED Forward Current for Switch Turn-on (%), Normalized to 25 C i154at_3 1 I L = 1 ma Fig. 4 - LED Current for Switch Turn-on vs. Temperature Rev. 1.9, 25-Jul-11 3 Document Number: ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

4 LH154AAB, LH154AABTR, LH154AT Change in Current Limit (%) Normalized to 25 C i154at_ I F = 5. ma t = 5. ms V L = see elec. char Fig. 5 - Current Limit vs. Temperature Capacitance (pf) I F = ma f = 1. MHz i154at_7 Applied Voltage (V) Fig. 8 - Switch Capacitance vs. Applied Voltage Change in On-resistance (%) Normalized to 25 C I L = 5 ma i154at_5 Fig. 6 - On-resistance vs. Temperature Insertion Loss (db).3.25 R L = 6 Ω i154at_ Frequency (Hz) Fig. 9 - Insertion Loss vs. Frequency AC/DC On-resistance Variation (%) Normalized to Datasheet R on Specification at I F = 5. ma i154at_6 I L = 5 ma LED Forward Current (ma) 16 2 Fig. 7 - Variation in On-resistance vs. LED Current Isolation (db) V P = 1 V R L = 5 Ω i154at_9 Frequency (Hz) Fig. 1 - Output Isolation Rev. 1.9, 25-Jul-11 4 Document Number: ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

5 LH154AAB, LH154AABTR, LH154AT Off-state Leakage Current (na) T = 25 C Load Voltage (V) Fig Leakage Current vs. Applied Voltage Switch Offset Voltage (µv) i154at_13 I F = 5. ma Fig Switch Offset Voltage vs. Temperature Off-state Leakage Current (na) T = 85 C T = 75 C Load Voltage (V) T = 5 C Fig Leakage Current vs. Applied Voltage at Elevated Temperatures Switch Offset Voltage (µv) i154at_14 LED Forward Current (ma) Fig Switch Offset Voltage vs. LED Current Change in Breakdown Voltage (%) Normalized to 25 C i154at_ Fig Switch Breakdown Voltage vs. Temperature Change in Turn-on Time (%) Normalized to 25 c i154at_ I F = 5. ma I L = 5 ma Fig Turn-on Time vs. Temperature Rev. 1.9, 25-Jul-11 5 Document Number: ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

6 LH154AAB, LH154AABTR, LH154AT Change in Turn-off Time (%) Normalized to 25 C I F = 5. ma I L = 5 ma i154at_16 Fig Turn-off Time vs. Temperature Turn-off Time (ms) I L = 5 ma - 4 C 25 C 85 C i154at_18 LED Forward Current (ma) Fig Turn-off Time vs. LED Current Turn-on Time (ms) I L = 5 ma - 4 C 25 C 85 C i154at_ LED Forward Current (ma) Fig Turn-on Time vs. LED Current PACKAGE DIMENSIONS in millimeters DIP Pin one ID ISO method A min typ i typ typ..51 min typ Rev. 1.9, 25-Jul-11 6 Document Number: ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

7 LH154AAB, LH154AABTR, LH154AT SMD Pin one ID R min ISO method A.99 min typ typ. 3 to i min PACKAGE MARKING LH154 V YWW H 68 Note Tape and reel suffix (TR) is not part of the package marking. Rev. 1.9, 25-Jul-11 7 Document Number: ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT

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