ACT4050 Datasheet PDF - Active-Semi Wide Input 3.5A Step Down Converter Specs

ACT4050 - Wide Input 3.5A Step Down Converter

This page provides the datasheet information for the ACT4050, a member of the ACT4050-Active Wide Input 3.5A Step Down Converter family.

Datasheet Summary

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.

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.

Datasheet Details

Part number	ACT4050
Manufacturer	Active-Semi
File Size	404.10 KB
Description	Wide Input 3.5A Step Down Converter
Datasheet	ACT4050 Datasheet
Additional preview pages of the ACT4050 datasheet.

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Full PDF Text Transcription

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Active-Semi ACT4050 Rev 2, 01-Jul-11 Wide Input 3.5A Step Down Converter 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 APPLICATIONS • Digital TV • Portable DVDs • Car-Powered or Battery-Powered Equipments • Set-Top Boxes • Telecom Power Supplies • Consumer Electronics 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.

Published: Apr 1, 2017 |