Datasheet LT3479 (Analog Devices) - 2

LT3479
ABSOLUTE MAXIMUM RATINGS (Note 1)
SW, L, VS Voltages ... 42V Operating Temperature Range (Note 2).. –40°C to 85°C VIN, SHDN Voltages ... 24V Storage Temperature Range ... –65°C to 125°C FBP, FBN, VREF, RT, VC Voltages ... 2V Lead Temperature (Soldering, 10 sec) Junction Temperature .. 125°C TSSOP .. 300°C
PIN CONFIGURATION
TOP VIEW TOP VIEW SW 1 16 GND SW 1 14 GND SW 2 15 GND SW 2 13 GND L 3 14 GND L 3 12 SS V 4 S 13 SS VS 4 15 11 VC 17 V 5 IN 12 V V C IN 5 10 FBN R R 6 T 11 FBN T 6 9 FBP SHDN 7 8 V SHDN 7 REF 10 FBP GND 8 9 VREF DE14 PACKAGE 14-LEAD (4mm s 3mm) PLASTIC DFN FE PACKAGE TJMAX = 125°C, θJA = 43°C/W 16-LEAD PLASTIC TSSOP EXPOSED PAD (PIN 15) IS PGND (MUST BE SOLDERED TO PCB) TJMAX = 125°C, θJA = 38°C/W EXPOSED PAD (PIN 17) IS PGND (MUST BE SOLDERED TO PCB)
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3479EDE#PBF LT3479EDE#TRPBF 3479 14-Lead (4mm × 3mm) Plastic DFN –40°C to 85°C LT3479EFE#PBF LT3479EFE#TRPBF 3479EFE 16-Lead Plastic TSSOP –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3479EDE LT3479EDE#TR 3479 14-Lead (4mm × 3mm) Plastic DFN –40°C to 85°C LT3479EFE LT3479EFE#TR 3479EFE 16-Lead Plastic TSSOP –40°C to 85°C Consult LTC Marketing for parts specifi ed 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 specifi cations, go to: http://www.linear.com/tapeandreel/ 3479fc 2