General Description

The RT8004A is a high efficiency synchronous, step-down DC/DC converter. With an input voltage range is from 2.7V to 5.5V, it can provide adjustable regulated output voltage from 0.8V to 5V while delivering up to 4.5A of output current.

Features

• High Efficiency : Up to 95

• Low Quiescent Current : 100μA

• Low RDS(ON) Internal Switches : 75mΩ

• Programmable Frequency : 300kHz to 4MHz

• No Schottky Diode Required

• 0.8V Reference Allows Low Output Voltage

• Low Dropout Operation : 100 Duty Cycle

• Synchronizable Switching Frequency

• Power Good Output Voltage Monitor

• Over Temperature Protection

• RoHS Compliant and 100 Lead (Pb)-Free

Applications

• Portable Instruments

• Battery-Powered Equipment

• Notebook Computers

• Distributed Power Systems

• IP Phones

• Digital Cameras