LT8620 ABSOLUTE MAXIMUM RATINGS (Note 1) VIN, EN/UV ..65V SYNC Voltage . ..6V PG ...42V Operating Junction Temperature Range (Note 2) BIAS ..25V LT8620E .. –40°C to 125°C BST Pin Above SW Pin..4V LT8620I ... –40°C to 125°C FB, TR/SS, RT, INTVCC . ..4V LT8620H .. –40°C to 150°C LT8620MP ... –55°C to 150°C Storage Temperature Range .. –65°C to 150°C PIN CONFIGURATION TOP VIEW NC NC NC NC 24 23 22 21 SYNC 1 20 FB TOP VIEW TR/SS 2 19 PG SYNC 1 16 FB TR/SS 2 15 PG RT 3 18 BIAS RT 3 14 BIAS EN/UV 4 17 13 INTV EN/UV 4 25 17 INTVCC CC V 5 IN GND 12 BST GND VIN 5 16 BST V 6 IN 11 SW NC 7 10 SW V 6 IN 15 SW GND 8 9 SW NC 7 14 SW MSE PACKAGE GND 8 13 SW 16-LEAD PLASTIC MSOP θ 9 10 11 12 JA = 40°C/W, θJC(PAD) = 10°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB NC NC NC GND UDD PACKAGE 24-LEAD (3mm × 5mm) PLASTIC QFN θJA = 46°C/W, θJC(PAD) = 5°C/W EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LT8620EMSE#PBF LT8620EMSE#TRPBF 8620 16-Lead Plastic MSOP –40°C to 125°C LT8620IMSE#PBF LT8620IMSE#TRPBF 8620 16-Lead Plastic MSOP –40°C to 125°C LT8620HMSE#PBF LT8620HMSE#TRPBF 8620 16-Lead Plastic MSOP –40°C to 150°C LT8620MPMSE#PBF LT8620MPMSE#TRPBF 8620 16-Lead Plastic MSOP –55°C to 150°C LT8620EUDD#PBF LT8620EUDD#TRPBF LGGV 24-Lead (3mm × 5mm) Plastic QFN –40°C to 125°C LT8620IUDD#PBF LT8620IUDD#TRPBF LGGV 24-Lead (3mm × 5mm) 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. Consult LTC Marketing for information on non-standard lead based finish parts. 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/ 8620fa 2 For more information www.linear.com/LT8620 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 Typical Application Related Parts
