ACT4012 Datasheet Wide Input 1.5A Step Down Converter

Manufacturer: Active-Semi

Download the ACT4012 datasheet PDF. This datasheet also includes the ACT4012-Active variant, as both parts are published together in a single manufacturer document.

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ACT4012 wide input 1.5a step down converter by Active-Semi - Datasheet Preview — Note: The manufacturer provides a single datasheet file (ACT4012-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	ACT4012
Manufacturer	Active-Semi
File Size	733.50 KB
Description	Wide Input 1.5A Step Down Converter
Download	ACT4012 Download (PDF)

General Description

The ACT4012 is a current-mode step-down DC-DC converter that generates up to 1.5A output current at 400kHz switching frequency.

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

Consuming only 10μA in shutdown mode, the ACT4012 is highly efficient with peak efficiency at 94% when in operation.

Overview

Data Sheet Rev 1, 10/2006 ACT4012 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 400kHz 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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