General Description

The APW7120 is a fixed 300kHz frequency, voltage mode,and synchronous PWM controller . The device drives two low cost N-channel MOSFETs and is designed to work with single 5~12V or two supply voltage(s), providing excellent regulation for load transients.

Features

• Operatingwith  Single 5~12V Supply Voltage or Two  Supply V oltages

• Drive  Dual  Low  Cost  N-Channel  MOSFETs

-  Adaptive  Shoot-Through  Protection

• Built-in  Feedback  Compensation

-  V oltage-ModePWM  Control

- 0~100% Duty Ratio

- Fast  Transient  Response

• ±2%  0.8V  Reference

- Over  Line,  Load  Regulation,  and  Operating T emperature

• Programmable  Over-Current  Protecti on

-  Using RDS(ON) of Low-Side  MOSFET

• Hiccup-Mode  Under-V oltage  Protection

• 1 18%  Over-V oltage  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 (RoHSCompli ant)



Applications

• Motherboard

• Graphics  Card

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