UM3501 Datasheet - Union Semiconductor

UM3501 Synchronous Step-Down DC-DC Converter

UM3501 is a high-efficiency pulse-width-modulated (PWM) step-down DC-DC converter, capable of delivering 600mA output current over a wide input voltage range from 2.5V to 5.5V. The target application of UM3501 is for portable electronic devices that are powered from 1-cell Li-ion battery or from ot.

UM3501 Features

* include lower internal reference voltage with 2% accuracy, over temperature protection, and over current protection. Applications z Cellular and Smart Phones z Microprocessors and DSP Core Supplies z Wireless and DSL Modems z PDAs, GPS z MP3 Player z Portable Instruments Features z High Efficiency

UM3501-UnionSemiconductor.pdf