RT8004A中文资料立锜科技数据手册PDF规格书

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.

特性 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