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ACT4012A - Wide Input 1.5A Step Down Converter

This page provides the datasheet information for the ACT4012A, a member of the ACT4012A-Active Wide Input 1.5A Step Down Converter family.

Datasheet Summary

Description

The ACT4012A is a current-mode step-down DC/DC converter that generates up to 1.5A output 420kHz switching frequency.

The device utilizes Active-Semi’s proprietary ISOBCD20 process for operation with input voltages up to 20V.

Features

  • 1.5A Output Current.
  • Up to 94% Efficiency.
  • Up to 20V Input Range.
  • 10µA Shutdown Supply Current.
  • 420kHz Switching Frequency.
  • Adjustable Output Voltage.
  • Cycle-by-Cycle Current Limit Protection.
  • Thermal Shutdown Protection.
  • Frequency Foldback at Short Circuit.
  • Stability with Wide Range of Capacitors, Including Low ESR Ceramic Capacitors.
  • SOP-8 Package.

📥 Download Datasheet

Datasheet preview – ACT4012A

Datasheet Details

Part number ACT4012A
Manufacturer Active-Semi
File Size 296.75 KB
Description Wide Input 1.5A Step Down Converter
Datasheet download datasheet ACT4012A Datasheet
Additional preview pages of the ACT4012A datasheet.

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Full PDF Text Transcription

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ACT4012A Rev0, 16-May-08 Wide Input 1.5A Step Down Converter FEATURES • 1.5A Output Current • Up to 94% Efficiency • Up to 20V Input Range • 10µA Shutdown Supply Current • 420kHz Switching Frequency • Adjustable Output Voltage • Cycle-by-Cycle Current Limit Protection • Thermal Shutdown Protection • Frequency Foldback at Short Circuit • Stability with Wide Range of Capacitors, Including Low ESR Ceramic Capacitors • SOP-8 Package APPLICATIONS • TFT LCD Monitors • Portable DVDs • Car-Powered or Battery-Powered Equipments • S-Top Boxes • Telecom Power Supplies • DSL and Cable Modems and Routers • Termination Supplies GENERAL DESCRIPTION The ACT4012A is a current-mode step-down DC/DC converter that generates up to 1.5A output 420kHz switching frequency.
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