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ACT4501 Datasheet 1.25A CC/CV Step-Down DC/DC Converter

Manufacturer: Active-Semi

Download the ACT4501 datasheet PDF. This datasheet also includes the ACT4501-Active variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (ACT4501-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ACT4501
Manufacturer Active-Semi
File Size 459.36 KB
Description 1.25A CC/CV Step-Down DC/DC Converter
Download ACT4501 Download (PDF)

General Description

ACT4501 is a dedicated cost-effective DC-DC converter for 5V/1A car charger applications with a wide input voltage and high efficiency.

The converter operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode.

ACT4501 provides up to 1.25A output current at 125kHz switching frequency.

Overview

ACT4501 Rev 2, 14-Nov-12 1.25A CC/CV Step-Down DC/DC Converter.

Key Features

  • 10V-30V Input Voltage.
  • 40V Transparent Input Voltage Surge.
  • Up to 1.25A Constant Output Current.
  • Output Voltage up to 12V.
  • Good EMC Performance on Single Layer PCB.
  • Patent Pending ActiveCC Constant Current Control.
  • Integrated Current Control Improves Efficiency, Lowers Cost, and Reduces Component Count.
  • Resistor Programmable Outputs.
  • Current Limit from 500mA to 1250mA Patented cable compensation from DC Cable Compe.

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