LT8601 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) Supply Voltages TOP VIEW VIN, PVIN1,2 .. –0.3V to 42V IN1 PV GND POREN GND PV NC GND GND SYNC RST CPOR IN3 ... –0.3V to 6V 40 39 38 37 36 35 34 33 32 31 PG1-3, SYNC, TRKSS1-2, PG1 1 30 GND RUN3, RST Voltages ...6V GND 2 29 RT RT, FB1-3, CPOR, POREN Voltages ..3.6V SW1 3 28 INTVCC EN/UVLO Voltage ..42V BST1 4 27 GND BIAS Voltage .. –0.3V to 15V BST2 5 41 26 FB1 Operating Junction Temperature (Notes 2 and 3) GND SW2 6 25 FB2 LT8601E ... –40°C to 125°C SW2 7 24 FB3 LT8601I .. –40°C to 125°C GND 8 23 VIN GND 9 22 EN/UVLO LT8601J ... –40°C to 150°C BIAS 10 21 TRKSS1 Storage Temperature Range .. –65°C to 150°C 11 12 13 14 15 16 17 18 19 20 PG2 PG3 NC GND IN2 IN3 PV SW3 GND PV RUN3 TRKSS2 UJ PACKAGE 40-LEAD (6mm × 6mm) PLASTIC QFN θJA = 33°C/W, θJC = 2°C/W EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT8601EUJ#PBF LT8601EUJ#TRPBF LT8601UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 125°C LT8601IUJ#PBF LT8601IUJ#TRPBF LT8601UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 125°C LT8601JUJ#PBF LT8601JUJ#TRPBF LT8601UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 150°C AUTOMOTIVE PRODUCTS** LT8601EUJ#WPBF LT8601EUJ#WTRPBF LT8601UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 125°C LT8601IUJ#WPBF LT8601IUJ#WTRPBF LT8601UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 125°C LT8601JUJ#WPBF LT8601JUJ#WTRPBF LT8601UJ 40-Lead (6mm × 6mm) Plastic QFN –40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. ** Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for these models. Rev. B 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts