Datasheet LT3971, LT3971-3.3, LT3971-5 (Analog Devices) - 2

LT3971/LT3971-3.3/LT3971-5
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN, EN Voltage ...38V Operating Junction Temperature Range (Note 2) BOOST Pin Voltage ...55V LT3971E ... –40°C to 125°C BOOST Pin Above SW Pin ...30V LT3971I .. –40°C to 125°C FB, VOUT, RT, SYNC, SS Voltage ...6V Storage Temperature Range .. –65°C to 150°C PG, BD Voltage ...30V Lead Temperature (Soldering, 10 sec) Boost Diode Current ..1A (MSE Only) ...300°C
PIN CONFIGURATION
LT3971 LT3971 LT3971 TOP VIEW TOP VIEW TOP VIEW BD 1 BD 16 GND 1 10 SYNC BD 1 10 SYNC NC 2 15 SYNC BOOST 2 9 PG BOOST 3 14 PG 11 BOOST 2 9 11 PG SW 3 NC 4 17 13 RT GND 8 RT SW 3 8 GND RT SW 5 GND 12 SS V VIN 4 7 SS IN 4 7 SS EN 5 6 FB NC 6 11 NC EN 5 6 FB V 7 IN 10 FB MSE PACKAGE EN 8 9 FB 10-LEAD PLASTIC MSOP DD PACKAGE MSE PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN θJA = 45°C, θJC = 10°C/W 16-LEAD PLASTIC MSOP EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB θ θ JA = 45°C, θJC = 10°C/W JA = 40°C EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB LT3971-3.3, LT3971-5 LT3971-3.3, LT3971-5 TOP VIEW TOP VIEW BD 1 10 SYNC BD 1 10 SYNC BOOST 2 9 PG 11 BOOST 2 9 11 PG SW 3 GND 8 RT SW 3 8 GND RT V VIN 4 7 SS IN 4 7 SS EN 5 6 VOUT EN 5 6 VOUT MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN θJA = 45°C, θJC = 10°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB θJA = 45°C, θJC = 10°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3971EDD#PBF LT3971EDD#TRPBF LFJF 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3971IDD#PBF LT3971IDD#TRPBF LFJF 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3971EMSE#PBF LT3971EMSE#TRPBF LTFJG 10-Lead Plastic MSOP –40°C to 125°C LT3971IMSE#PBF LT3971IMSE#TRPBF LTFJG 10-Lead Plastic MSOP –40°C to 125°C LT3971EMSE16#PBF LT3971EMSE16#TRPBF 3971 16-Lead Plastic MSOP –40°C to 125°C LT3971IMSE16#PBF LT3971IMSE16#TRPBF 3971 16-Lead Plastic MSOP –40°C to 125°C LT3971EDD-3.3#PBF LT3971EDD-3.3#TRPBF LFRM 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3971IDD-3.3#PBF LT3971IDD-3.3#TRPBF LFRM 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3971EMSE-3.3#PBF LT3971EMSE-3.3#TRPBF LTFRN 10-Lead Plastic MSOP –40°C to 125°C LT3971IMSE-3.3#PBF LT3971IMSE-3.3#TRPBF LTFRN 10-Lead Plastic MSOP –40°C to 125°C 3971fd 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Related Parts