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AP5101 - 1.5A Step-Down Converter

General Description

The AP5101 is a current mode step-down converter with a built-in power MOSFET to enable smallest solution size power conversion.

With the low series resistance power switch it enables a constant output current of up to 1.5A over a wide input supply range.

Key Features

  • VIN 4.75 to 22V 1.5A Peak Output Current Stable with Low ESR Ceramic Output Capacitors External compensation Up to 92% Efficiency 0.1µA Shutdown Mode Fixed 1.4MHz Frequency Thermal Shutdown Cycle-by-Cycle Over Current Protection Output Adjustable from 0.81V to 15V SO-8: Available in “Green” Molding Compound (No Br, Sb) Lead Free Finish/ RoHS Compliant (Note 1).

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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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www.DataSheet4U.com AP5101 1.5A Step-Down Converter with 1.4MHz Switching Frequency Description The AP5101 is a current mode step-down converter with a built-in power MOSFET to enable smallest solution size power conversion. With the low series resistance power switch it enables a constant output current of up to 1.5A over a wide input supply range. The load and line regulation has excellent response time over the operating input voltage and temperature range. Pin Assignments ( Top View ) SW 1 8 7 6 5 GND BST COMP FB IN 2 EN GND 3 4 NEW PRODUCT The AP5101 is self protected, through a cycle-by-cycle current limiting algorithm and an on chip thermal protection. The AP5101 will provide the voltage conversion with a low count of widely available standard external components.