Datasheet LT3840 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Wide Input Range Synchronous Regulator Controller with Accurate Current Limit |
| Pages / Page | 24 / 2 — absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion … |
| File Format / Size | PDF / 292 Kb |
| Document Language | English |
absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
Model Line for this Datasheet
Text Version of Document
LT3840
absoluTe MaxiMuM raTings (Note 1)
Junction Temperature Range AUXVIN, VIN, EN and UVLO ... –0.3V to 80V LT3840E (Note 2) .. –40°C to 125°C PG .. –0.3V to 25V LT3840I ... –40°C to 125°C MODE ... –0.3V to 9V LT3840H .. –40°C to 150°C SENSE+ and SENSE– .. –0.3V to 60V LT3840MP ... –55°C to 150°C SENSE+ to SENSE– ...–1V to 1V Lead Temperature (Soldering, 10 sec) OVLO, VC, FB, SYNC, TK/SS and ICTRL ... –0.3V to 6V TSSOP Only ..300°C Storage Temperature... –65°C to 150°C
pin conFiguraTion
TOP VIEW TOP VIEW AUXSW1 1 28 AUXBST PGND NC AUXSW1 AUXBST NC AUXSW2 NC PGND 2 27 AUXSW2 38 37 36 35 34 33 32 AUXVIN 3 26 INTVCC AUXVIN 1 31 NC SYNC 4 25 BG NC 2 30 INTVCC SYNC 3 29 BG RT 5 24 BGRTN RT 4 28 BGRTN TK/SS 6 23 BOOST NC 5 27 NC FB 7 29 22 TG GND TK/SS 6 39 26 BOOST V 8 21 C SW GND FB 7 25 TG PG 9 20 SENSE– VC 8 24 SW MODE 10 19 SENSE+ PG 9 23 NC OVLO 11 18 ICOMP NC 10 22 SENSE– UVLO 12 17 ICTRL MODE 11 21 SENSE+ EN 13 16 IMON OVLO 12 20 ICOMP V 14 15 IN GND 13 14 15 16 17 18 19 FE PACKAGE EN V IN NC GND 28-LEAD PLASTIC TSSOP UVLO IMON ICTRL UFE PACKAGE θJA = 30°C/W, θJC = 10°C/W 38-LEAD (4mm × 6mm) PLASTIC QFN EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB θJA = 38°C/W, θJC = 4°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3840EFE#PBF LT3840EFE#TRPBF LT3840FE 28-Lead Plastic TSSOP –40°C to 125°C LT3840IFE#PBF LT3840IFE#TRPBF LT3840FE 28-Lead Plastic TSSOP –40°C to 125°C LT3840HFE#PBF LT3840HFE#TRPBF LT3840FE 28-Lead Plastic TSSOP –40°C to 150°C LT3840MPFE#PBF LT3840MPFE#TRPBF LT3840FE 28-Lead Plastic TSSOP –55°C to 150°C LT3840EUFE#PBF LT3840EUFE#TRPBF 3840 38-Lead (4mm × 6mm) Plastic QFN –40°C to 125°C LT3840IUFE#PBF LT3840IUFE#TRPBF 3840 38-Lead (4mm × 6mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on nonstandard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ 3840fa 2 For more information www.linear.com/LT3840 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
absoluTe MaxiMuM raTings (Note 1)
Junction Temperature Range AUXVIN, VIN, EN and UVLO ... –0.3V to 80V LT3840E (Note 2) .. –40°C to 125°C PG .. –0.3V to 25V LT3840I ... –40°C to 125°C MODE ... –0.3V to 9V LT3840H .. –40°C to 150°C SENSE+ and SENSE– .. –0.3V to 60V LT3840MP ... –55°C to 150°C SENSE+ to SENSE– ...–1V to 1V Lead Temperature (Soldering, 10 sec) OVLO, VC, FB, SYNC, TK/SS and ICTRL ... –0.3V to 6V TSSOP Only ..300°C Storage Temperature... –65°C to 150°C
pin conFiguraTion
TOP VIEW TOP VIEW AUXSW1 1 28 AUXBST PGND NC AUXSW1 AUXBST NC AUXSW2 NC PGND 2 27 AUXSW2 38 37 36 35 34 33 32 AUXVIN 3 26 INTVCC AUXVIN 1 31 NC SYNC 4 25 BG NC 2 30 INTVCC SYNC 3 29 BG RT 5 24 BGRTN RT 4 28 BGRTN TK/SS 6 23 BOOST NC 5 27 NC FB 7 29 22 TG GND TK/SS 6 39 26 BOOST V 8 21 C SW GND FB 7 25 TG PG 9 20 SENSE– VC 8 24 SW MODE 10 19 SENSE+ PG 9 23 NC OVLO 11 18 ICOMP NC 10 22 SENSE– UVLO 12 17 ICTRL MODE 11 21 SENSE+ EN 13 16 IMON OVLO 12 20 ICOMP V 14 15 IN GND 13 14 15 16 17 18 19 FE PACKAGE EN V IN NC GND 28-LEAD PLASTIC TSSOP UVLO IMON ICTRL UFE PACKAGE θJA = 30°C/W, θJC = 10°C/W 38-LEAD (4mm × 6mm) PLASTIC QFN EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB θJA = 38°C/W, θJC = 4°C/W EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3840EFE#PBF LT3840EFE#TRPBF LT3840FE 28-Lead Plastic TSSOP –40°C to 125°C LT3840IFE#PBF LT3840IFE#TRPBF LT3840FE 28-Lead Plastic TSSOP –40°C to 125°C LT3840HFE#PBF LT3840HFE#TRPBF LT3840FE 28-Lead Plastic TSSOP –40°C to 150°C LT3840MPFE#PBF LT3840MPFE#TRPBF LT3840FE 28-Lead Plastic TSSOP –55°C to 150°C LT3840EUFE#PBF LT3840EUFE#TRPBF 3840 38-Lead (4mm × 6mm) Plastic QFN –40°C to 125°C LT3840IUFE#PBF LT3840IUFE#TRPBF 3840 38-Lead (4mm × 6mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on nonstandard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ 3840fa 2 For more information www.linear.com/LT3840 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
