Datasheet LT3973, LT3973-3.3, LT3973-5 (Analog Devices) - 2

LT3973/LT3973-3.3/LT3973-5
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN, EN/UVLO Voltage ...42V Operating Junction Temperature Range (Note 2) BOOST Pin Voltage ...55V LT3973E/LT3973E-X .. –40°C to 125°C BOOST Pin Above SW Pin ...25V LT3973I/LT3973I-X .. –40°C to 125°C FB/VOUT, RT, PG Voltage ...6V LT3973H/LT3973H-X ...–40°C to 150°C BD Voltage ..25V Storage Temperature Range .. –65°C to 150°C OUT Voltage ..14V Lead Temperature (Soldering, 10 sec) MSE Only ..300°C
PIN CONFIGURATION
TOP VIEW TOP VIEW *FB/VOUT 1 10 RT *FB/VOUT 1 10 RT OUT 2 9 PG 11 OUT 2 9 PG 11 EN/UVLO 3 GND 8 BD EN/UVLO 3 8 BD GND V VIN 4 7 BOOST IN 4 7 BOOST GND 5 6 SW GND 5 6 SW MSE PACKAGE 10-LEAD PLASTIC MSOP DD PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN θJA = 45°C/W, θJC = 10°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB θJA = 40°C/W, θJC = 5°C/W EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB * FB for LT3973, VOUT for LT3973-3.3, LT3973-5.
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3973EDD#PBF LT3973EDD#TRPBF LGCH 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3973IDD#PBF LT3973IDD#TRPBF LGCH 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3973HDD#PBF LT3973HDD#TRPBF LGCH 10-Lead (3mm × 3mm) Plastic DFN –40°C to 150°C LT3973EMSE#PBF LT3973EMSE#TRPBF LTFYS 10-Lead Plastic MSOP –40°C to 125°C LT3973IMSE#PBF LT3973IMSE#TRPBF LTFYS 10-Lead Plastic MSOP –40°C to 125°C LT3973HMSE#PBF LT3973HMSE#TRPBF LTFYS 10-Lead Plastic MSOP –40°C to 150°C LT3973EMSE-3.3#PBF LT3973EMSE-3.3#TRPBF LTGGB 10-Lead Plastic MSOP –40°C to 125°C LT3973IMSE-3.3#PBF LT3973IMSE-3.3#TRPBF LTGGB 10-Lead Plastic MSOP –40°C to 125°C LT3973HMSE-3.3#PBF LT3973HMSE-3.3#TRPBF LTGGB 10-Lead Plastic MSOP –40°C to 150°C LT3973EDD-3.3#PBF LT3973EDD-3.3#TRPBF LGGC 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3973IDD-3.3#PBF LT3973IDD-3.3#TRPBF LGGC 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C LT3973HDD-3.3#PBF LT3973HDD-3.3#TRPBF LGGC 10-Lead (3mm × 3mm) Plastic DFN –40°C to 150°C LT3973EMSE-5#PBF LT3973EMSE-5#TRPBF LTGGD 10-Lead Plastic MSOP –40°C to 125°C LT3973IMSE-5#PBF LT3973IMSE-5#TRPBF LTGGD 10-Lead Plastic MSOP –40°C to 125°C LT3973HMSE-5#PBF LT3973HMSE-5#TRPBF LTGGD 10-Lead Plastic MSOP –40°C to 150°C 3973fb 2 For more information www.linear.com/LT3973 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 Typical Application Related Parts