General Description

The RT8056 is a high efficiency synchronous dual stepdown converter. Capable of delivering two independent 1A output current over a wide input voltage range from 2.8V to 5.5V. The RT8056 is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources such as cellular phones, PDAs and hand-held devices.

Features

● 2.8V to 5.5V Input Voltage Range

● 1.5MHz Fixed Frequency PWM Operation

● 2 x 1A Output Current

● Up to 95 Efficiency

● No Schottky Diode Required

● 0.6V Reference Allows for Low Output Voltage

● Low Dropout Operation : 100 Duty Cycle

● Small 10-Lead WDFN Package

● RoHS Compliant and Halogen Free

Applications

● Portable Instruments

● Microprocessors and DSP Core Supplies

● Cellular Phones

● Wireless and DSL Modems

● PC Cards

● Set Top Box