LT8646SEVPBF datasheet(30/30 Pages) AD

30 / 30 page

LT8645S/LT8646S

Rev. B

For more information www.analog.com



ANALOG DEVICES, INC. 2017-2020

04/20

www.analog.com

RELATED PARTS

TYPICAL APPLICATIONS

1.8V, 8A Step-Down Converter

PART NUMBER DESCRIPTION

COMMENTS

LT8640S

42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5µA Quiescent

Current

VIN(MIN) = 3.4V, VOUT(MAX) = 42V, VOUT(MIN) = 0.97V,

IQ = 2.5μA, ISD < 1μA, 4mm × 4mm LQFN-24

LT8640/

LT8640-1

42V, 5A, 96% Efficiency, 3MHz Synchronous MicroPower Step-Down

DC/DC Converter with IQ = 2.5µA

VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V,

IQ = 2.5μA, ISD < 1μA, 3mm × 4mm QFN-18

LT8641

65V, 3.5A, 95% Efficiency, 3MHz Synchronous MicroPower Step-Down

DC/DC Converter with IQ = 2.5µA

VIN(MIN) = 3V, VIN(MAX) = 65V, VOUT(MIN) = 0.81V,

IQ = 2.5μA, ISD < 1μA, 3mm × 4mm QFN-18

LT8609/

LT8609A

42V, 2A, 94% Efficiency, 2.2MHz Synchronous MicroPower Step-Down

DC/DC Converter with IQ = 2.5µA

VIN(MIN) = 3V, VIN(MAX) = 42V, VOUT(MIN) = 0.8V,

IQ = 2.5μA, ISD < 1μA, MSOP-10E

LT8610A/

LT8610AB

42V, 3.5A, 96% Efficiency, 2.2MHz Synchronous MicroPower Step-Down

DC/DC Converter with IQ = 2.5µA

VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V,

IQ = 2.5μA, ISD < 1μA, MSOP-16E

LT8610AC

42V, 3.5A, 96% Efficiency, 2.2MHz Synchronous MicroPower Step-Down

DC/DC Converter with IQ = 2.5µA

VIN(MIN) = 3V, VIN(MAX) = 42V, VOUT(MIN) = 0.8V,

IQ = 2.5μA, ISD < 1μA, MSOP-16E

LT8610

42V, 2.5A, 96% Efficiency, 2.2MHz Synchronous MicroPower Step-Down

DC/DC Converter with IQ = 2.5µA

VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V,

IQ = 2.5μA, ISD < 1μA, MSOP-16E

LT8611

42V, 2.5A, 96% Efficiency, 2.2MHz Synchronous MicroPower Step-Down

DC/DC Converter with IQ = 2.5µA and Input/Output Current Limit/Monitor

VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V,

IQ = 2.5μA, ISD < 1μA, 3mm × 5mm QFN-24

LT8616

42V, Dual 2.5A + 1.5A, 95% Efficiency, 2.2MHz Synchronous MicroPower

Step-Down DC/DC Converter with IQ = 5µA

VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.8V,

IQ = 5μA, ISD < 1μA, TSSOP-28E, 3mm × 6mm QFN-28

LT8620

65V, 2.5A, 94% Efficiency, 2.2MHz Synchronous MicroPower Step-Down

DC/DC Converter with IQ = 2.5µA

VIN(MIN) = 3.4V, VIN(MAX) = 65V, VOUT(MIN) = 0.97V,

IQ = 2.5μA, ISD < 1μA, MSOP-16E, 3mm × 5mm QFN-24

LT8614

42V, 4A, 96% Efficiency, 2.2MHz Synchronous Silent Switcher Step-Down

DC/DC Converter with IQ = 2.5µA

VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V,

IQ = 2.5μA, ISD < 1μA, 3mm × 4mm QFN18

LT8612

42V, 6A, 96% Efficiency, 2.2MHz Synchronous MicroPower Step-Down

DC/DC Converter with IQ = 2.5µA

VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V,

IQ = 3.0μA, ISD < 1μA, 3mm × 6mm QFN-28

LT8613

42V, 6A, 96% Efficiency, 2.2MHz Synchronous MicroPower Step-Down

DC/DC Converter with Current Limiting

VIN(MIN) = 3.4V, VIN(MAX) = 42V, VOUT(MIN) = 0.97V,

IQ = 3.0μA, ISD < 1μA, 3mm × 6mm QFN-28

LT8602

42V, Quad Output (2.5A + 1.5A + 1.5A + 1.5A) 95% Efficiency, 2.2MHz

Synchronous MicroPower Step-Down DC/DC Converter with IQ = 25µA

VIN(MIN) = 3V, VIN(MAX) = 42V, VOUT(MIN) = 0.8V,

IQ = 2.5μA, ISD < 1μA, 6mm × 6mm QFN-40

LT8645S

BIAS

VIN

3.4V TO 30V

(65V TRANSIENT)

GND

VIN

EN/UV

VOUT

1.8V

4.7pF

4.7µF

41.2k

866k

0.82µH

fSW = 1MHz

L: XEL6030

1µF

EXTERNAL

SOURCE >3.1V

OR GND

8645S TA02

47µF

×2

1210

X5R/X7R

PINS NOT USED

IN THIS CIRCUIT:

BST, CLKOUT,

INTVCC, PG,

SYNC/MODE, TR/SS

LT8646SEVPBF 数据表(PDF) 30 Page - Analog Devices

LT8646SEVPBF 数据表(HTML) 30 Page - Analog Devices

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LT8646SEVPBF 数据表(PDF) 30 Page - Analog Devices

LT8646SEVPBF 数据表(HTML) 30 Page - Analog Devices

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