RT8055 Datasheet - Richtek

RT8055, 3A Synchronous Step-Down Converter

® RT8055 3A, 2MHz, Synchronous Step-Down Converter General .
The RT8055 is a high efficiency synchronous, step-down DC/DC converter.

Features

* z High Efficiency : Up to 95% z Low RDS(ON) Internal Switches : 100mΩ z Programmable Frequency : 300kHz to 2MHz z No Schottky Diode Required z 0.8V Reference Voltage Allows for Low Output Voltage z Forced Continuous Mode Operation z 100% Duty Cycle Operation z Input Over Voltage Protection z RoHS Co

Applications

* z Portable Instruments z Battery-Powered Equipment z Notebook Computers z Distributed Power Systems z IP Phones z Digital Cameras z 3G/3.5GData Card Pin Configurations (TOP VIEW) SHDN/RT 1 GND 2 LX 3 LX 4 PGND 5 GND 10 COMP 9 FB 8 VDD 7 PVDD 11 6 PVDD WDFN-10L 3x3 SHDN/RT GND LX PGND 8 2 7

RT8055-Richtek.pdf