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ACT4514 Datasheet Wide-Input Sensorless CC/CV Step-Down DC/DC Converter

Manufacturer: Active-Semi

Download the ACT4514 datasheet PDF. This datasheet also includes the ACT4514-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 (ACT4514-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ACT4514
Manufacturer Active-Semi
File Size 463.42 KB
Description Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
Download ACT4514 Download (PDF)

General Description

ACT4514 is a wide input voltage, high efficiency ActiveCC step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode.

ACT4514 provides up to 1.5A output current at 210kHz switching frequency.

ActiveCC is a patent-pending control scheme to achieve highest accuracy sensorless constant current control.

Overview

Active-Semi ACT4514 Rev 2, 28-May-12 Wide-Input Sensorless CC/CV Step-Down DC/DC.

Key Features

  • Up to 40V Input Voltage.
  • Up to 1.5A Constant Output Current.
  • Output Voltage up to 12V.
  • Patent Pending ActiveCC Constant Current Control.
  • Integrated Current Control Improves Efficiency, Lowers Cost, and Reduces Component Count.
  • Resistor Programmable Outputs.
  • Current Limit from 400mA to 1500mA.
  • Patented cable compensation from DC Cable Compensation from 0Ω to 0.5Ω.
  • 2% Feedback Voltage Accuracy.
  • Up to 93% Eff.

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