General Description

The RT8100A is an advanced DC/DC synchronous buck PWM controller with several innovative functions for specific customer’s ASIC only.

Features

Analogous Current Mode Design

2.5V to 12V Switching Source Power

0.8V to 3.3V Output Voltage Regulation

Adjustable VINFeed-Forward Ramp Slope

Adjustable Operation Frequency

Precise Core Voltage Regulation

Precise DCR Current Sensing with High Quality Capacitor, X7R

±1.5% System Accuracy

Input Voltage : 12V and 5V Bias

Enable Function

RoHS Compliant and 100% Lead (Pb)-Free

Over Current Protection

External Soft Start Setting

Operation Frequency up to 1.0MHz

Dual Mode Voltage Control

  `Tracking Mode

  `Stand-Alone Mode

Output Current Indication

16-Lead VQFN Package



Applications

MB memory and chipset core power

Middle-high graphic card GPU and memory core power

General-purpose fields including server, NB, bare-bone and mini-system