General Description

The RT9203/A is a dual-output power controllers designed for high perf ormance graphics cards and personal computers. The IC integrates a synchronous buck controller , a linear controller and protection functions into a small 8-pin package.

Featur es

Operates at 5V

0.8V Internal Reference

Drives Two N-MOSFET

Voltage Mode PWM Control

Fast Transient Response

Fixed 300kHz Oscillator Frequency

Dynamic 0 to 100 Duty Cycle

Internal PWM Loop Compensation

Internal Soft-Start

Adaptive Non-Overlapping Gate Driver

Over-Voltage Protection Uses Lower MOSFET

RoHS Compliant and 100 Lead (Pb)-Free