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RT8207 Datasheet Complete DDRII/DDRIII Memory Power Supply Controller

Manufacturer: Richtek

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Datasheet Details

Part number RT8207
Manufacturer Richtek
File Size 389.38 KB
Description Complete DDRII/DDRIII Memory Power Supply Controller
Datasheet download datasheet RT8207 Datasheet

General Description

The RT8207 provides a complete power supply for both DDRII/DDRIII memory systems.

It integrates a synchronous PWM buck controller with a 3A sink/source tracking linear regulator and a buffered low noise reference.

The PWM controller provides the high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high-voltage batteries to generate low voltage chipset RAM supplies in notebook computers.

Overview

RT8207 Complete DDRII/DDRIII Memory Power Supply Controller General.

Key Features

  • including thermal shutdown and is available in the WQFN-24L 4x4 package. z Features z PWM Controller ` Resistor Programmable Current Limit by Low-Side z RDS(ON) Sense ` Quick Load-Step Response within 100ns ` 1% VOUT Accuracy Over Line and Load ` Fixed 1.8V (DDRII), 1.5V (DDRIII) or Adjustable 0.75V to 3.3V Output Range ` Battery Input Range 2.5V to 26V ` Resistor Programmable Frequency ` Over/Under Voltage Protection ` 4 Steps Current Limit During Soft-Start ` Drives Large Synchronous-Recti.

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