Datasheet LT8636 (Analog Devices) - 26

LT8636
TYPICAL APPLICATIONS 2MHz 1.8V, 5A Step-Down Converter
VIN 3.4V TO 22V (42V TRANSIENT) 4.7µF EN/UV VIN1 VIN2 1µF 1µF 0603 0603 GND1 GND2 BST LT8636 0.1µF 1µH VOUT SW 1.8V 10nF EXTERNAL 5A TR/SS BIAS SOURCE >3.1V 1µF 1µF OR GND 10pF 866k 100µF 1210 INTVCC FB 17.8k X5R/X7R RT GND 1M 8636 TA02 fSW = 2MHz L: XEL6030 PINS NOT USED IN THIS CIRCUIT: CLKOUT, PG, SYNC/MODE
RELATED PARTS PART DESCRIPTION COMMENTS
LT8640S/ 42V, 6A Synchronous Step-Down Silent Switcher 2 with IQ = 2.5μA VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V, IQ = 2.5µA, LT8643S ISD < 1µA, 4mm × 4mm LQFN-24 LT8640/ 42V, 5A, 96% Efficiency, 3MHz Synchronous MicroPower Step-Down VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V, IQ = 2.5µA, LT8640-1 DC/DC Converter with IQ = 2.5μA ISD < 1µA, 3mm × 4mm QFN-18 LT8645S/ 65V, 8A, Synchronous Step-Down Silent Switcher 2 with IQ = 2.5μA VIN(MIN) = 3.4V, VIN(MAX) = 65V, VOUT(MIN) = 0.97V, IQ = 2.5µA, LT8646S ISD < 1µA, 4mm × 6mm LQFN-32 LT8641 65V, 3.5A, 95% Efficiency, 3MHz Synchronous MicroPower Step-Down VIN(MIN) = 3V, VIN(MAX) = 65V, VOUT(MIN) = 0.81V, IQ = 2.5µA, DC/DC Converter with IQ = 2.5μA ISD < 1µA, 3mm × 4mm QFN-18 LT8609/ 42V, 2A, 94% Efficiency, 2.2MHz Synchronous MicroPower Step-Down VIN(MIN) = 3V, VIN(MAX) = 42V, VOUT(MIN) = 0.8V, IQ = 2.5µA, LT8609A DC/DC Converter with IQ = 2.5µA ISD < 1µA, MSOP-10E LT8610A/ 42V, 3.5A, 96% Efficiency, 2.2MHz Synchronous MicroPower Step- VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V, IQ = 2.5µA, LT8610AB Down DC/DC Converter with IQ = 2.5µA ISD < 1µA, MSOP-16E LT8610AC 42V, 3.5A, 96% Efficiency, 2.2MHz Synchronous MicroPower Step- VIN(MIN) = 3V, VIN(MAX) = 42V, VOUT(MIN) = 0.8V, IQ = 2.5µA, Down DC/DC Converter with IQ = 2.5µA ISD < 1µA, MSOP-16E LT8610 42V, 2.5A, 96% Efficiency, 2.2MHz Synchronous MicroPower Step- VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V, IQ = 2.5µA, Down DC/DC Converter with IQ = 2.5µA ISD < 1µA, MSOP-16E LT8616 42V, Dual 2.5A + 1.5A, 95% Efficiency, 2.2MHz Synchronous VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.8V, IQ = 5µA, MicroPower Step-Down DC/DC Converter with IQ = 5µA ISD < 1µA, TSSOP-28E, 3mm × 6mm QFN-28 LT8620 65V, 2.5A, 94% Efficiency, 2.2MHz Synchronous MicroPower Step- VIN(MIN) = 3.4V, VIN(MAX) = 65V, VOUT(MIN) = 0.97V, IQ = 2.5µA, Down DC/DC Converter with IQ = 2.5µA ISD < 1µA, MSOP-16E, 3mm × 5mm QFN-24 LT8614 42V, 4A, 96% Efficiency, 2.2MHz Synchronous Silent Switcher Step- VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V, IQ = 2.5µA, Down DC/DC Converter with IQ = 2.5µA ISD < 1µA, 3mm × 4mm QFN18 LT8612 42V, 6A, 96% Efficiency, 2.2MHz Synchronous MicroPower Step-Down VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V, IQ = 3.0µA, DC/DC Converter with IQ = 2.5µA ISD < 1µA, 3mm × 6mm QFN-28 LT8602 42V, Quad Output (2.5A + 1.5A + 1.5A + 1.5A) 95% Efficiency, 2.2MHz VIN(MIN) = 3V, VIN(MAX) = 42V, VOUT(MIN) = 0.8V, IQ = 2.5µA, Synchronous MicroPower Step-Down DC/DC Converter with IQ = 25µA ISD < 1µA, 6mm × 6mm QFN-40 Rev. A 26 03/20 www.analog.com For more information www.analog.com ANALOG DEVICES, INC. 2020 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 Package Description Revision History Typical Applications Related Parts