General Description

The APW7120A is a f ixed 300kHz frequency , voltage mode, and synchronous PWM controller . The device drives two low cost N-channel MOSFET s and i s designed to work with single 5~12V or two supply voltage(s), providing excellent regulation for load transients.

Features

• Operating with Single 5~12V Supply V oltage or Two Supply Voltages

• Drive Dual Low Cost N-Channel MOSFETs

- Adaptive Shoot-Through Protection

• Built-in Feedback Compensation

- Voltage-Mode PWM Control

- 0~100 Duty Ratio

- Fast Transient Response

• ±2 0.8V Reference

- Over Line, Load Regulation, and Operating Temperature

• Programmable Over-Current Protection

- Using RDS(ON) of Low-Side MOSFET

• Hiccup-Mode Under-Voltage Protection

• 118 Over-Voltage Protection

• Adjustable Output Voltage

• Small Converter Size

- 300kHz Constant Switching Frequency

- Small SOP-8 Package

• Built-In Digital Soft-Start

• Shutdown Control Using an External MOSFET

• Lead Free and Green Devices Available(RoHS Compliant)

Applications

• Motherboard

• Graphics Card

• High Current, Up to 20A, DC-DC Converters