LT8650S ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) V TOP VIEW IN1, VIN2, EN/UV1, EN/UV2, PG1, PG2 ...42V BIAS ..30V VC2 FB2 SS2 SS1 FB1 VC1 FB1, FB2, SS1, SS2 . ...4V 32 31 30 29 28 27 VC1, VC2 ..3.5V RT 1 26 BIAS SYNC. ...6V GND 2 25 VCC 33 34 Operating Junction Temperature Range (Note 2) GND GND 24 BST1 LT8650SE .. –40 to 125°C VIN1 4 23 SW1 LT8650SI ... –40 to 125°C VIN1 5 22 SW1 LT8650SJ ..–40 to 150°C 35 36 GND GND LT8650SH ..–40 to 150°C Storage Temperature Range ..–65 to 150°C VIN2 7 20 SW2 Maximum Reflow (Package Body) VIN2 8 19 SW2 37 38 Temperature ..260°C GND GND 18 BST2 GND 10 17 CLKOUT 11 12 13 14 15 16 EN1 EN2 PG1 PG2 TEMP SYNC LQFN PACKAGE 32-LEAD (6mm × 4mm × 0.94mm) TJMAX = 125°C, θJA = 23°C/W EXPOSED PAD (PINS 33, 34, 35, 36, 37, 38) ARE GND, MUST BE SOLDERED TO PCB ORDER INFORMATIONPART MARKINGPACKAGE*MSLTEMPERATURE RANGEPART NUMBERPAD OR BALL FINISHDEVICEFINISH CODETYPERATING(SEE NOTE 2) LT8650SEV#PBF –40°C to 125°C LT8650SIV#PBF Au (RoHS) 8650SV e4 LQFN (Laminate Package with QFN Footprint) 3 –40°C to 125°C LT8650SHV#PBF –40°C to 150°C AUTOMOTIVE PRODUCTS** LT8650SEV#WPBF –40°C to 125°C LT8650SIV#WPBF –40°C to 125°C Au (RoHS) 8650SV e4 LQFN (Laminate Package with QFN Footprint) 3 LT8650SJV#WPBF –40°C to 150°C LT8650SHV#WPBF –40°C to 150°C • Device temperature grade is indicated by a label on the shipping container. • Recommended PCB Assembly and Manufacturing Procedures. • Pad or ball finish code is per IPC/JEDEC J-STD-609. • Package and Tray Drawings * The LT8650S package has the same dimensions as a standard 6mm × 4mm QFN package ** 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