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RT9238 - VRM8.5 PWM and Triple Linear Power System Controller

Description

The RT9238 is a 4-in-one power controller optimized for high-performance microprocessor and computer applications.

The IC integrates a PWM controller, triple linear controller as well as monitoring and protection functions into a 28-pin SOP package.

Features

  • an Intel VRM8.5 compatible, TTL 5-bit programmable DAC that adjusts the core voltage from 1.090V to 1.865V in 25mV steps. The 5bit DAC has a typical ±1% tolerance. The linear regulators provide fixed output voltages of 1.2V (VOUT2), 1.5V (VOUT3) and 1.8V (VOUT4) or useradjustable.

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Datasheet Details

Part number RT9238
Manufacturer Richtek
File Size 429.72 KB
Description VRM8.5 PWM and Triple Linear Power System Controller
Datasheet download datasheet RT9238 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary RT9238 VRM8.5 PWM and Triple Linear Power System Controller General Description The RT9238 is a 4-in-one power controller optimized for high-performance microprocessor and computer applications. The IC integrates a PWM controller, triple linear controller as well as monitoring and protection functions into a 28-pin SOP package. The PWM controller regulates the microprocessor core voltage with a synchronous buck converter. The first linear controller supplies the computer system’s AGTL+ 1.2V bus power. The second linear controller provides power for the 1.5V AGP bus and the 3rd linear controller provides 1.8V power for the chipset core voltage and/or cache memory circuits. The RT9238 features an Intel VRM8.
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