ACT4012A Datasheet Wide Input 1.5A Step Down Converter

Manufacturer: Active-Semi

Download the ACT4012A datasheet PDF. This datasheet also includes the ACT4012A-Active variant, as both parts are published together in a single manufacturer document.

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ACT4012A wide input 1.5a step down converter by Active-Semi - Datasheet Preview — Note: The manufacturer provides a single datasheet file (ACT4012A-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	ACT4012A
Manufacturer	Active-Semi
File Size	296.75 KB
Description	Wide Input 1.5A Step Down Converter
Download	ACT4012A Download (PDF)

General 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.

Consuming only 10µA in shutdown mode, the ACT4012A is highly efficient with peak efficienc

Overview

ACT4012A Rev0, 16-May-08 Wide Input 1.5A Step Down Converter.

Key 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.

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