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UM3502QA - Synchronous Step-Down Converter

General Description

The UM3502QA is a complete power conversion solution requiring only two low cost ceramic MLCC caps.

Inductor, MOSFETs, synchronous rectifier and control IC are integrated into a tiny 4mm×4mm×1.05mm QFN package.

The UM3502QA is engineered to simplify design and to minimize layout constraints.

Key Features

  • z Ultra Small QFN Package 4.0×4.0×1.05 z Integrated Inductor z No Schottky Diode Required z High Efficiency: Up to 90% z 600mA Output Current z 0.6V Minimum Output Voltage z 2.5V to 5.5V Input Voltage Range z.

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Datasheet Details

Part number UM3502QA
Manufacturer Union Semiconductor
File Size 425.21 KB
Description Synchronous Step-Down Converter
Datasheet download datasheet UM3502QA Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UM3502QA Low-Profile, 600mA, Synchronous Step-Down Converter with Integrated Inductor UM3502QA QFN24 4.0×4.0 General Description The UM3502QA is a complete power conversion solution requiring only two low cost ceramic MLCC caps. Inductor, MOSFETs, synchronous rectifier and control IC are integrated into a tiny 4mm×4mm×1.05mm QFN package. The UM3502QA is engineered to simplify design and to minimize layout constraints. It is an ideal choice to be used to replace less efficient LDO to achieve improved efficiency in space restricted applications. The UM3502QA is capable of delivering 600mA output current over a wide input voltage range from 2.5V to 5.5V. The UM3502QA is a high-efficiency, step-down DC-DC converter with a constant PWM frequency, current mode architecture.