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RT8239A Datasheet - RICHTEK

RT8239A_RICHTEK.pdf

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Datasheet Details

Part number:

RT8239A

Manufacturer:

RICHTEK

File Size:

404.06 KB

Description:

Main power supply controller.

RT8239A, Main Power Supply Controller

The RT8239A/B/C is a dual step down, Switch Mode Power Supply (SMPS) controller which generates logic supply voltages for battery powered systems.

It includes two Pulse Width Modulation (PWM) controllers adjustable from 2V to 5.5V and also two fixed 5V/3.3V linear regulators.

One of the controllers

RT8239A Features

* include on board power up sequencing, a power good output, internal softstart, and a soft discharge output that prevents negative voltage during shutdown. A constant on-time PWM control scheme operates without sense resistors and assures fast load transient response while maintaining nearly constant

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