General Description

The RT9205/A is a dual-output power controllers designed for high performance graphics cards and personal computers. The IC integrates a synchronous buck controller, a linear controller and protection functions into a small 14-pin package.

Features

• 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 100Duty 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

Applications

• PC Motherboard

• Cable Modems, Set-Top-Box, and XDSLModems

• DSP and Core Communications Processor Supplies

• Memory Power Supplies

• Personal Computer Peripherals

• Industrial Power Supplies

• 5V Input DC-DC Regulators

• LowVoltage Distributed Power Supplies

• Graphic Cards