Datasheet LT3477 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 3A, DC/DC Converter with Dual Rail-to-Rail Current Sense |
| Pages / Page | 22 / 2 — absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion … |
| File Format / Size | PDF / 585 Kb |
| Document Language | English |
absoluTe MaxiMuM raTings (Note 1). pin conFiguraTion. orDer inForMaTion http://www.linear.com/product/LT3477#orderinfo
Model Line for this Datasheet
Text Version of Document
LT3477
absoluTe MaxiMuM raTings (Note 1)
SW Pin Voltage .. 42V Junction Temperature .. 125°C VIN, SHDN Pin Voltage ... 25V Operating Temperature Range (Note 2) FBP, FBN Pin Voltage ... 6V LT3477E ...– 40°C to 85°C VREF Pin Voltage... 6V LT3477I .. –40°C to 125°C RT, VC, SS Pin Voltage ... 6V Storage Temperature Range ...–65°C to 125°C IADJ1, IADJ2 Pin Voltage .. 25V Lead Temperature (Soldering, 10 sec) ISP1, ISP2, ISN1, ISN2 Pin Voltage ...42V TSSOP .. 300°C
pin conFiguraTion
TOP VIEW TOP VIEW VIN 1 20 NC NC SW SW GND I SN1 RT 2 19 NC 20 19 18 17 16 SHDN 3 18 NC NC 1 15 I SS 4 17 SW SP1 NC 2 14 ISN2 VC 5 16 SW 21 VIN 3 21 13 ISP2 FBN 6 15 GND RT 4 12 IADJ1 FBP 7 14 ISN1 SHDN 5 11 IADJ2 VREF 8 13 ISP1 IADJ2 9 12 ISN2 6 7 8 9 10 IADJ1 10 11 ISP2 SS V C FBN FBP V REF FE PACKAGE UF PACKAGE 20-LEAD PLASTIC TSSOP 20-LEAD (4mm × 4mm) PLASTIC QFN TJMAX = 125°C, θJA = 40°C/W TJMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 21) IS PGND (MUST BE SOLDERED TO PCB) EXPOSED PAD (PIN 21) IS PGND (MUST BE SOLDERED TO PCB)
orDer inForMaTion http://www.linear.com/product/LT3477#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3477EFE#PBF LT3477EFE#TRPBF 20-Lead Plastic TSSOP –40°C to 85°C LT3477IFE#PBF LT3477IFE#TRPBF 20-Lead Plastic TSSOP –40°C to 125°C LT3477EUF#PBF LT3477EUF#TRPBF 3477 20-Lead (4mm × 4mm) Plastic QFN –40°C to 85°C LT3477IUF#PBF LT3477IUF#TRPBF 3477 20-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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. 3477fd 2 For more information www.linear.com/LT3477 Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Package Description Typical Application Related Parts
absoluTe MaxiMuM raTings (Note 1)
SW Pin Voltage .. 42V Junction Temperature .. 125°C VIN, SHDN Pin Voltage ... 25V Operating Temperature Range (Note 2) FBP, FBN Pin Voltage ... 6V LT3477E ...– 40°C to 85°C VREF Pin Voltage... 6V LT3477I .. –40°C to 125°C RT, VC, SS Pin Voltage ... 6V Storage Temperature Range ...–65°C to 125°C IADJ1, IADJ2 Pin Voltage .. 25V Lead Temperature (Soldering, 10 sec) ISP1, ISP2, ISN1, ISN2 Pin Voltage ...42V TSSOP .. 300°C
pin conFiguraTion
TOP VIEW TOP VIEW VIN 1 20 NC NC SW SW GND I SN1 RT 2 19 NC 20 19 18 17 16 SHDN 3 18 NC NC 1 15 I SS 4 17 SW SP1 NC 2 14 ISN2 VC 5 16 SW 21 VIN 3 21 13 ISP2 FBN 6 15 GND RT 4 12 IADJ1 FBP 7 14 ISN1 SHDN 5 11 IADJ2 VREF 8 13 ISP1 IADJ2 9 12 ISN2 6 7 8 9 10 IADJ1 10 11 ISP2 SS V C FBN FBP V REF FE PACKAGE UF PACKAGE 20-LEAD PLASTIC TSSOP 20-LEAD (4mm × 4mm) PLASTIC QFN TJMAX = 125°C, θJA = 40°C/W TJMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 21) IS PGND (MUST BE SOLDERED TO PCB) EXPOSED PAD (PIN 21) IS PGND (MUST BE SOLDERED TO PCB)
orDer inForMaTion http://www.linear.com/product/LT3477#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3477EFE#PBF LT3477EFE#TRPBF 20-Lead Plastic TSSOP –40°C to 85°C LT3477IFE#PBF LT3477IFE#TRPBF 20-Lead Plastic TSSOP –40°C to 125°C LT3477EUF#PBF LT3477EUF#TRPBF 3477 20-Lead (4mm × 4mm) Plastic QFN –40°C to 85°C LT3477IUF#PBF LT3477IUF#TRPBF 3477 20-Lead (4mm × 4mm) Plastic QFN –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. 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. 3477fd 2 For more information www.linear.com/LT3477 Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Package Description Typical Application Related Parts
