RT6543B - High Efficiency Single Synchronous Buck PWM Controller

Product Overview

Richtek

Datasheet Details

Part number	RT6543B
Manufacturer	Richtek
File Size	333.21 KB
Description	High Efficiency Single Synchronous Buck PWM Controller
Datasheet	RT6543B Datasheet
Note	This datasheet PDF includes multiple part numbers: RT6543B, RT6543A. Please refer to the document for exact specifications by model.
Additional preview pages of the RT6543B datasheet.

Product details

Description

The RT6543A/B PWM controller provides high efficiency, excellent transient response, and high DC output accuracy for stepping down high voltage batteries to generate low voltage CPU core, I/O, and chipset RAM.

Features

A High Efficiency Step-Down DC-DC Controller.
Built-in 1% Reference Voltage.
2-Bit Programmable Output Voltage with Integrated.
Adjustable Switching Frequency.
Input Voltage Range : 3V to 24V.
Internal Soft-Start to Reduce Inrush Current.
Capability of Driving Large Synchronous Rectifier MOSFETs.
Power Good Indicator.
Cycle-by-Cycle Current Limit.
Over-/Under-Voltage Protection.
Thermal Shutdown.
RT6543A : Slew Down Mode as VID Change.

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Other Datasheets by Richtek

RT6543A - High Efficiency Single Synchronous Buck PWM Controller
RT6541A - High Efficiency Single Synchronous Buck PWM Controller
RT6541D - High Efficiency Single Synchronous Buck PWM Controller
RT6541E - High Efficiency Single Synchronous Buck PWM Controller
RT6542A - High Efficiency Single Synchronous Buck PWM Controller
RT6545A - Dual-Channel Synchronous DC/DC Step-Down Controller

Published: Mar 19, 2020 |