DISCRETE SEMICONDUCTORS DATA SHEET Supersedes data of 24 Apr 2 24 Jun 4
FEATURES Forward current: A Reverse voltages: 2 V, 3 V, 4 V Very low forward voltage Ultra small and very small plastic SMD package Power dissipation comparable to SOT23. APPLICATIONS High efficiency DC-to-DC conversion Voltage clamping Protection circuits Low voltage rectification Blocking diodes Low power consumption applications. QUICK REFERENCE DATA SYMBOL PARAMETER MAX. UNIT I F forward current A V R reverse voltage 2; 3; 4 V PINNING PIN DESCRIPTION PMEGXXBEA (see Fig.) cathode 2 anode (see Fig.2), 2, 5, 6 cathode 3, 4 anode DESCRIPTION Planar Maximum Efficiency General Application (MEGA) Schottky with an integrated guard ring for stress protection, encapsulated in a very small SOD323 (SC-76) and ultra small SOT666 SMD plastic package. 2 2 sym MARKING TYPE NUMBER PMEG2BEA PMEG3BEA PMEG4BEA PMEG2BEV PMEG3BEV PMEG4BEV MARKING CODE V V2 V3 G6 G5 G4 The marking bar indicates the cathode. Fig. Simplified outline (SOD323; SC-76) and symbol. 6 5 4, 2 5, 6 3, 4 sym38 2 3 Fig.2 Simplified outline (SOT666) and symbol. 24 Jun 4 2
ORDERING INFORMATION PACKAGE TYPE NUMBER NAME DESCRIPTION VERSION PMEGXXBEA plastic surface mounted package; 2 leads SOD323 plastic surface mounted package; 6 leads SOT666 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 634). V R SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT continuous reverse voltage PMEG2BEA/PMEG2BEV 2 V PMEG3BEA/PMEG3BEV 3 V PMEG4BEA/PMEG4BEV 4 V I F continuous forward current T s 55 C; note A I FRM repetitive peak forward current t p ms; δ.5; note 2 3.5 A I FSM non-repetitive peak forward current t p = 8 ms; square wave; A note 2 T j junction temperature note 3 5 C T amb operating ambient temperature note 3 65 +5 C T stg storage temperature 65 +5 C Notes. Refer to SOD323 (SC-76) and SOT666 standard mounting conditions. 2. Only valid if pins 3 and 4 are connected in parallel (SOT666 package). 3. For Schottky barrier diodes thermal runaway has to be considered, as in some applications the reverse power losses P R are a significant part of the total power losses. Nomograms for determining the reverse power losses P R and I F(AV) rating will be available on request. 24 Jun 4 3
THERMAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS VALUE UNIT PMEGXXBEA (SOD323) R th(j-a) R th(j-s) thermal resistance from junction to ambient thermal resistance from junction to soldering point (SOT666) R th(j-a) thermal resistance from junction to ambient R th(j-s) thermal resistance from junction to soldering point in free air; notes and 2 45 K/W in free air; notes 2 and 3 2 K/W note 4 9 K/W in free air; notes 2 and 5 45 K/W in free air; notes 2 and 6 25 K/W note 4 8 K/W Notes. Refer to SOD323 (SC-76) standard mounting conditions. 2. For Schottky barrier diodes thermal runaway has to be considered, as in some applications the reverse power losses P R are a significant part of the total power losses. Nomograms for determining the reverse power losses P R and I F(AV) rating will be available on request. 3. Device mounted on an FR4 printed-circuit board with copper clad mm. 4. Solder point of cathode tab. 5. Refer to SOT666 standard mounting conditions. 6. Only valid if pins 3 and 4 are connected in parallel (SOT666 package). CHARACTERISTICS T amb = 25 C unless otherwise specified. SYMBOL PARAMETER CONDITIONS Note. Pulse test: t p 3 μs; δ.2. PMEG2BEA/ PMEG2BEV PMEG3BEA/ PMEG3BEV PMEG4BEA/ PMEG4BEV TYP. MAX. TYP. MAX. TYP. MAX. V F forward voltage I F =. ma 9 3 9 3 95 3 mv I F = ma 5 9 5 2 55 2 mv I F = ma 2 24 25 25 22 27 mv I F = ma 28 33 285 34 295 35 mv I F = 5 ma 355 39 38 43 42 47 mv I F = ma 42 5 45 56 54 64 mv I R continuous V R = V; note 5 4 2 3 7 2 μa reverse current V R = 2 V; note 4 2 μa V R = 3 V; note 4 5 μa V R = 4 V; note 3 μa C d diode capacitance V R = V; f = MHz 66 8 55 7 43 5 pf UNIT 24 Jun 4 4
GRAPHICAL DATA 4 I F (ma) 3 MHC673 5 I R (μa) () 4 MHC674 2 () (2) (3) 3 (2) 2 (3).2.4 V F (V).6 5 5 2 PMEG2BEA/PMEG2BEV () T amb = 5 C. PMEG2BEA/PMEG2BEV () T amb = 5 C. Fig.3 Forward current as a function of forward Fig.4 Reverse current as a function of reverse 4 handbook, C d halfpage (pf) 2 MHC675 4 I F (ma) 3 MHC676 8 2 () (2) (3) 6 4 2 5 5 2.2.4 V F (V).6 PMEG2BEA/PMEG2BEV T amb = 25 C; f = MHz. PMEG3BEA/PMEG3BEV () T amb = 5 C. Fig.5 Diode capacitance as a function of reverse Fig.6 Forward current as a function of forward 24 Jun 4 5
5 I R (μa) 4 () MHC677 2 handbook, C halfpage d (pf) MHC678 3 (2) 8 6 2 4 (3) 2 5 5 2 25 3 5 5 2 PMEG3BEA/PMEG3BEV () T amb = 5 C. PMEG3BEA/PMEG3BEV T amb = 25 C; f = MHz. Fig.7 Reverse current as a function of reverse Fig.8 Diode capacitance as a function of reverse 4 I F (ma) 3 MHC679 5 I R (μa) () 4 MHC68 2 () (2) (3) 3 (2) 2 (3).2.4 V F (V).6 2 3 4 PMEG4BEA/PMEG4BEV () T amb = 5 C. PMEG4BEA/PMEG4BEV () T amb = 5 C. Fig.9 Forward current as a function of forward Fig. Reverse current as a function of reverse 24 Jun 4 6
C d (pf) 8 MHC68 6 4 2 5 5 2 PMEG4BEA/PMEG4BEV T amb = 25 C; f = MHz. Fig. Diode capacitance as a function of reverse 24 Jun 4 7
PACKAGE OUTLINES Plastic surface-mounted package; 2 leads SOD323 D A E X H D v M A 2 Q b p A () A c detail X L p 2 mm DIMENSIONS (mm are the original dimensions) scale UNIT A A max. mm.5.8 b p c D E H D L p Q.4.25.8.35 2.7.45.25.25..6.5 2.3.5.5 v.2 Note. The marking bar indicates the cathode OUTLINE VERSION REFERENCES IEC JEDEC JEITA EUROPEAN PROJECTION ISSUE DATE SOD323 SC-76 3-2-7 6-3-6 24 Jun 4 8
Plastic surface-mounted package; 6 leads SOT666 D A E X S Y S H E 6 5 4 pin index A 2 3 c e bp w M A Lp e detail X 2 mm scale DIMENSIONS (mm are the original dimensions) UNIT A b p c D E e e H E L p w y mm.6.5.27.7.8.8.7.5.3...5.7.5.3... OUTLINE VERSION REFERENCES IEC JEDEC JEITA EUROPEAN PROJECTION ISSUE DATE SOT666 4--8 6-3-6 24 Jun 4 9
DATA SHEET STATUS DOCUMENT STATUS () PRODUCT STATUS (2) DEFINITION Objective data sheet Development This document contains data from the objective specification for product development. Preliminary data sheet Qualification This document contains data from the preliminary specification. Production This document contains the product specification. Notes. Please consult the most recently issued document before initiating or completing a design. 2. The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status information is available on the Internet at URL http://www.nxp.com. DISCLAIMERS General Information in this document is believed to be accurate and reliable. However, NXP Semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. Right to make changes NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof. Suitability for use NXP Semiconductors products are not designed, authorized or warranted to be suitable for use in medical, military, aircraft, space or life support equipment, nor in applications where failure or malfunction of an NXP Semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. NXP Semiconductors accepts no liability for inclusion and/or use of NXP Semiconductors products in such equipment or applications and therefore such inclusion and/or use is at the customer s own risk. Applications Applications that are described herein for any of these products are for illustrative purposes only. NXP Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Limiting values Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 634) may cause permanent damage to the device. Limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the Characteristics sections of this document is not implied. Exposure to limiting values for extended periods may affect device reliability. Terms and conditions of sale NXP Semiconductors products are sold subject to the general terms and conditions of commercial sale, as published at http://www.nxp.com/profile/terms, including those pertaining to warranty, intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writing by NXP Semiconductors. In case of any inconsistency or conflict between information in this document and such terms and conditions, the latter will prevail. No offer to sell or license Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. Export control This document as well as the item(s) described herein may be subject to export control regulations. Export might require a prior authorization from national authorities. Quick reference data The Quick reference data is an extract of the product data given in the Limiting values and Characteristics sections of this document, and as such is not complete, exhaustive or legally binding. 24 Jun 4
Customer notification This data sheet was changed to reflect the new company name NXP Semiconductors, including new legal definitions and disclaimers. No changes were made to the technical content, except for package outline drawings which were updated to the latest version. Contact information For additional information please visit: http://www.nxp.com For sales offices addresses send e-mail to: salesaddresses@nxp.com NXP B.V. 29 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Printed in The Netherlands R76/4/pp Date of release: 24 Jun 4 Document order number: 9397 75 3234