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RT6545B, RT6545A - Dual-Channel Synchronous DC/DC Step-Down Controller

Richtek

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RT6545B Datasheet Preview — This datasheet PDF includes multiple part numbers: RT6545B, RT6545A. Please refer to the document for exact specifications by model.

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Datasheet Details

Part number	RT6545B, RT6545A
Manufacturer	Richtek ↗
File Size	258.16 KB
Description	Dual-Channel Synchronous DC/DC Step-Down Controller
Datasheet	RT6545A-Richtek.pdf
Note	This datasheet PDF includes multiple part numbers: RT6545B, RT6545A. Please refer to the document for exact specifications by model.

RT6545B Product details

Description

The RT6545A/B is a dual-channel step-down, controller generating supply voltages for battery-powered systems.

Features

include on-board power-up sequencing, a powergood output, internal soft-start, and soft-discharge output that prevents negative voltage during shutdown. A constant current ripple PWM control scheme operates without sense resistors and provides 100ns response to load transient. For maximizing power efficiency, the RT6545A/B automatically switches to the diode-emulation mode in light load.

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Published: May 28, 2016 |