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ACT4523 Datasheet Wide-input Sensorless Cc/cv Step-down DC/dc Converter

Manufacturer: Active-Semi

Overview: ACT4523 Rev 7, 01-Aug-13 Wide-Input Sensorless CC/CV Step-Down DC/DC.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

ACT4523 is a wide input voltage, high efficiency Active CC step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode.

ACT4523 provides up to 3A output current at 225kHz switching frequency.

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

Key Features

  • 40V Input Voltage Surge.
  • 38V Steady State Operation.
  • Up to 3A output current.
  • Output Voltage up to 12V.
  • Patent Pending Active CC Sensorless Constant Current Control.
  • Integrated Current Control Improves Efficiency, Lowers Cost, and Reduces Component Count.
  • Resistor Programmable.
  • Current Limit from 1.5A to 3A.
  • Patented Cable Compensation from 0Ω to 0.3Ω.
  • ±7.5% CC Accuracy.
  • Compensation of Input /Out.

Similar Datasheet

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Qorvo Logo ACT4523YH-T CC/CV Step-Down DC/DC Converter Qorvo

More Datasheets from Active-Semi

Part Number Description
ACT4523A Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4524 40V/3.5A Buck Converter
ACT4525 40V/3.5A CV/CC Buck Converter
ACT4526 40V/3.0A CV/CC Buck Converter
ACT4527 CV/CC Buck Converter
ACT4528 40V/3.0A CV/CC Buck Converter
ACT4529 40V/3.0A CV/CC Buck Converter
ACT4529M 40V/3.0A CV/CC Buck Converter
ACT4501 1.25A CC/CV Step-Down DC/DC Converter
ACT4513 Wide-Input Sensorless CC/CV Step-Down DC/DC Converter

ACT4523 Distributor