ACT4050 Datasheet Wide Input 3.5A Step Down Converter

Manufacturer: Active-Semi

Download the ACT4050 datasheet PDF. This datasheet also includes the ACT4050-Active variant, as both parts are published together in a single manufacturer document.

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ACT4050 wide input 3.5a step down converter by Active-Semi - Datasheet Preview — Note: The manufacturer provides a single datasheet file (ACT4050-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	ACT4050
Manufacturer	Active-Semi
File Size	404.10 KB
Description	Wide Input 3.5A Step Down Converter
Download	ACT4050 Download (PDF)

General Description

The ACT4050 is a current-mode step-down DC/DC converter that provides up to 3.5A of output current at 400kHz switching frequency.

The device utilizes Active-Semi’s proprietary high voltage process for operation with input voltages up to 15V.

The ACT4050 provides fast transient response and eases loop stabilizati

Overview

Active-Semi ACT4050 Rev 2, 01-Jul-11 Wide Input 3.5A Step Down.

Key Features

3.5A Output Current.
Up to 96% Efficiency.
4.5V to 15V Input Range.
12µA Shutdown Supply Current.
400kHz Switching Frequency.
Adjustable Output Voltage From 0.817V.
Cycle-by-Cycle Current Limit Protection.
Thermal Shutdown Protection.
Frequency Fold-Back at Short Circuit.
Stability with Wide Range of Capacitors, Including Low ESR Ceramic Capacitors.
SOP-8/EP (Exposed Pad) Package.

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