Datasheet LT3958 (Analog Devices) - 2

LT3958
absoluTe MaxiMuM raTings pin conFiguraTion (Note 1)
V TOP VIEW IN, EN/UVLO (Note 5) ..80V SW ..84V INTV NC NC SYNC RT SS FBX VC CC .. VIN + 0.3V, 15V SYNC ..8V 36 35 34 33 32 31 30 NC 1 28 INTV VC, SS ...3V CC NC 2 27 VIN RT ...1.5V SENSE2 3 37 SENSE1, SGND .. Internally Connected to GND SGND SGND 4 25 EN/UVLO SENSE2 ..±0.3V 24 SGND FBX ... –6V to 6V SENSE1 6 23 SGND Operating Temperature Range SW 8 38 (Note 2) ... –40°C to 125°C 21 SW SW SW 9 20 SW Maximum Junction Temperature... 125°C NC 10 Storage Temperature Range ... –65°C to 125°C 12 13 14 15 16 17 GND GND GND GND GND GND UHE PACKAGE 36-LEAD (5mm × 6mm) PLASTIC QFN TJMAX = 125°C, θJA = 43°C/W, θJC = 5°C/W EXPOSED PAD (PIN 37) IS SGND, MUST BE SOLDERED TO SGND PLANE EXPOSED PAD (PIN 38) IS SW, MUST BE SOLDERED TO SW PLANE
orDer inForMaTion http://www.linear.com/product/LT3958#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3958EUHE#PBF LT3958EUHE#TRPBF 3958 36-Lead (5mm × 6mm) Plastic QFN –40°C to 125°C LT3958IUHE#PBF LT3958IUHE#TRPBF 3958 36-Lead (5mm × 6mm) Plastic QFN –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. 3958fa 2 For more information www.linear.com/LT3958 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Applications Related Parts