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RT8237B

High Efficiency Single Synchronous Buck PWM Controller

RT8237B Features

* Wide Input Voltage Range : 4.5V to 26V

* Output Voltage Range : 0.7V to 3.3V

* Built-in 0.5% 0.7V Reference Voltage

* Quick Load-Step Response within 100ns

* 4700ppm/°C Programmable Current Limit by Low Side RDS(ON) Sensing

* 4 Selectable Frequency Setting

* Soft-Start

RT8237B General Description

The RT8237A/B PWM controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high voltage batteries to generate low voltage CPU core, I/O, and chipset RAM supplies in notebook computers. The constant on-time PWM control scheme handles wide.

RT8237B Datasheet (206.70 KB)

Preview of RT8237B PDF

Datasheet Details

Part number:

RT8237B

Manufacturer:

RICHTEK

File Size:

206.70 KB

Description:

High efficiency single synchronous buck pwm controller.

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RT8237B High Efficiency Single Synchronous Buck PWM Controller RICHTEK

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