UM3503QA Datasheet Low Profile Power Module

Manufacturer: Union Semiconductor

Overview: UM3503QA 1A, 2.5V to 5.5V Input, Low Profile Power Module UM3503QA QFN24 4.0×4.

Datasheet Details

Part number	UM3503QA
Manufacturer	Union Semiconductor
File Size	1.19 MB
Description	Low Profile Power Module
Datasheet	UM3503QA-UnionSemiconductor.pdf

The UM3503QA is a plete 1A, DC/DC step-down power supply intended for low-power applications.

It is capable of delivering 1A output current over a wide input voltage range from 2.5V to 5.5V.

Switching regulator, inductor and input/output capacitors are integrated into a tiny 4mm×4mm×1.05mm QFN package.

z LDO Replacement z FPGA and DSP Point-of-Load Regulator z Cellular and Smart Phones z MCU, DSP and FPGA Core Supplies z Wireless and DSL Modems z Portable Game Consoles and Instruments z PDAs, GPS z Bluetooth Headsets z Battery-Powered Devices z Ultra Small QFN Package 4.0×4.0×1.05 z High Efficiency: Up to 90% z 1A Output Current z 0.6V Minimum Output Voltage z 2.5V to 5.5V Input Voltage Range z 2.25MHz Switching Frequency z 56μA Quiescent Current z.

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