Datasheet LTC3649 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 60V, 4A Synchronous Step-Down Regulator with Rail-to-Rail Programmable Output |
| Pages / Page | 26 / 2 — ABSOLUTE MAXIMUM RATINGS (Notes 1, 2). PIN CONFIGURATION. ORDER … |
| File Format / Size | PDF / 507 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2). PIN CONFIGURATION. ORDER INFORMATION http://www.linear.com/product/LTC3649#orderinfo
Text Version of Document
LTC3649
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
VIN Voltage (Note 3) .. 64V to –0.3V IMON, PGOOD Voltage ... 4V to –0.3V ISET, OUT Voltage ... 64V to –0.3V VINREG, ITH Voltage ... 4V to –0.3V RUN Voltage... 64V to –0.3V Operating Junction MODE/SYNC Voltage .. 6V to –0.3V Temperature Range (Notes 5, 7) .. –40°C to 125°C PGDFB, RT ...INTVCC +0.3V to –0.3V Storage Temperature Range .. –65°C to 125°C EXTVCC Voltage ... 28V to –0.3V
PIN CONFIGURATION
TOP VIEW TOP VIEW PGND 1 28 SW PGND 2 27 SW PGND PGND PGND SW SW SW 28 27 26 25 24 23 PGND 3 26 SW PGND 1 22 SW PGND 4 25 SW PGND 2 21 SW PGND 5 24 SW VIN 3 20 SW V 6 23 IN SW VIN 4 29 19 SW V 7 22 IN SW 29 SGND RUN 5 18 BOOST RUN 8 SGND 21 BOOST SGND 6 17 INTVCC SGND 9 20 INTVCC MODE/SYNC 7 16 EXTVCC MODE/SYNC 10 19 EXTVCC PGOOD 8 15 ITH PGOOD 11 18 ITH 9 10 11 12 13 14 PGDFB 12 17 ISET R T V OUT ISET IMON 13 16 VOUT PGDFB IMON V INREG UFD PACKAGE V 14 15 INREG RT 28-LEAD (4mm × 5mm) PLASTIC QFN FE PACKAGE TJMAX = 125°C, θJA = 43°C/W, θJC = 3.4°C/W 28-LEAD PLASTIC TSSOP EXPOSED PAD (PIN 29) IS SGND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 30°C/W, θJC = 5°C to 10°C/W EXPOSED PAD (PIN 29) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LTC3649#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3649EUFD#PBF LTC3649EUFD#TRPBF 3649 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3649IUFD#PBF LTC3649IUFD#TRPBF 3649 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3649EFE#PBF LTC3649EFE#TRPBF LTC3649 28-Lead Plastic TSSOP –40°C to 125°C LTC3649IFE#PBF LTC3649IFE#TRPBF LTC3649 28-Lead Plastic TSSOP –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. 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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 3649fb 2 For more information www.linear.com/LTC3649 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
VIN Voltage (Note 3) .. 64V to –0.3V IMON, PGOOD Voltage ... 4V to –0.3V ISET, OUT Voltage ... 64V to –0.3V VINREG, ITH Voltage ... 4V to –0.3V RUN Voltage... 64V to –0.3V Operating Junction MODE/SYNC Voltage .. 6V to –0.3V Temperature Range (Notes 5, 7) .. –40°C to 125°C PGDFB, RT ...INTVCC +0.3V to –0.3V Storage Temperature Range .. –65°C to 125°C EXTVCC Voltage ... 28V to –0.3V
PIN CONFIGURATION
TOP VIEW TOP VIEW PGND 1 28 SW PGND 2 27 SW PGND PGND PGND SW SW SW 28 27 26 25 24 23 PGND 3 26 SW PGND 1 22 SW PGND 4 25 SW PGND 2 21 SW PGND 5 24 SW VIN 3 20 SW V 6 23 IN SW VIN 4 29 19 SW V 7 22 IN SW 29 SGND RUN 5 18 BOOST RUN 8 SGND 21 BOOST SGND 6 17 INTVCC SGND 9 20 INTVCC MODE/SYNC 7 16 EXTVCC MODE/SYNC 10 19 EXTVCC PGOOD 8 15 ITH PGOOD 11 18 ITH 9 10 11 12 13 14 PGDFB 12 17 ISET R T V OUT ISET IMON 13 16 VOUT PGDFB IMON V INREG UFD PACKAGE V 14 15 INREG RT 28-LEAD (4mm × 5mm) PLASTIC QFN FE PACKAGE TJMAX = 125°C, θJA = 43°C/W, θJC = 3.4°C/W 28-LEAD PLASTIC TSSOP EXPOSED PAD (PIN 29) IS SGND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 30°C/W, θJC = 5°C to 10°C/W EXPOSED PAD (PIN 29) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION http://www.linear.com/product/LTC3649#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3649EUFD#PBF LTC3649EUFD#TRPBF 3649 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3649IUFD#PBF LTC3649IUFD#TRPBF 3649 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3649EFE#PBF LTC3649EFE#TRPBF LTC3649 28-Lead Plastic TSSOP –40°C to 125°C LTC3649IFE#PBF LTC3649IFE#TRPBF LTC3649 28-Lead Plastic TSSOP –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. 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/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 3649fb 2 For more information www.linear.com/LTC3649 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
