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ACT4070 Datasheet Wide Input 3A Step Down Converter

Manufacturer: Active-Semi

Download the ACT4070 datasheet PDF. This datasheet also includes the ACT4070-Active variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ACT4070-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ACT4070
Manufacturer Active-Semi
File Size 374.22 KB
Description Wide Input 3A Step Down Converter
Download ACT4070 Download (PDF)

General Description

The ACT4070 is a current-mode step-down DC/DC converter that generates up to 3A output current at 400kHz switching frequency.

The device utilizes Active-Semi’s proprietary ISOBCD30 process for operation with input voltage up to 30V.

Consuming only 6μA in shutdo

Overview

ACT4070 Rev 2, 16-Sep-11 Wide Input 3A Step Down Converter.

Key Features

  • 3A Output Current.
  • Up to 95% Efficiency.
  • 4.5V to 30V Input Range.
  • 6µA Shutdown Supply Current.
  • 400kHz Switching Frequency.
  • Adjustable Output Voltage.
  • Cycle-by-Cycle Current Limit Protection.
  • Thermal Shutdown Protection.
  • Internal Soft Start Function.
  • Frequency Fold Back at Short Circuit.
  • Stability with Wide Range of Capacitors, Including Low ESR Ceramic Capacitors.
  • SOP-8/EP (Exposed Pad) P.

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