LT8643S - 6A Synchronous Step-Down Silent Switcher

Product Overview

Analog Devices

Part number	LT8643S
Manufacturer	Analog Devices
File Size	3.22 MB
Description	6A Synchronous Step-Down Silent Switcher
Datasheet	LT8643S Datasheet
Note	This datasheet PDF includes multiple part numbers: LT8643S, LT8640S. Please refer to the document for exact specifications by model.
Additional preview pages of the LT8643S datasheet.

The LT®8640S/LT8643S synchronous step-down regulator

n Silent Switcher ®2 Architecture n Ultralow EMI Emissions on Any PCB n Eliminates PCB Layout Sensitivity n Internal Bypass Capacitors Reduce Radiated EMI n Optional Spread Spectrum Modulation n High Efficiency at High Frequency n Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT n Up to 95% Efficiency at 2MHz, 12VIN to 5VOUT n Wide Input Voltage Range: 3.4V to 42V n 6A Maximum Continuous, 7A Peak Output n Ultralow Quiescent Current Burst Mode® Operation n 2.5µA IQ Regulating 12VIN to 3.3VOUT (LT8640.

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Published: Jul 20, 2023 |