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ACT4523 - Wide-Input Sensorless CC/CV Step-Down DC/DC Converter

Download the ACT4523 datasheet PDF. This datasheet also covers the ACT4523-Active variant, as both devices belong to the same wide-input sensorless cc/cv step-down dc/dc converter family and are provided as variant models within a single manufacturer datasheet.

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.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ACT4523-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ACT4523
Manufacturer Active-Semi
File Size 648.93 KB
Description Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
Datasheet download datasheet ACT4523 Datasheet

📁 Similar Datasheet

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ACT4523 CC/CV Step-Down DC/DC Converter Qorvo
ACT4523YH-T CC/CV Step-Down DC/DC Converter Qorvo
ACT4523YH-T CC/CV Step-Down DC/DC Converter Qorvo
ACT4524 40V/3.5A Buck Converter Qorvo
ACT4524YH-T 40V/3.5A Buck Converter Qorvo

Other Datasheets by 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

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
ACT4523 Rev 7, 01-Aug-13 Wide-Input Sensorless CC/CV Step-Down DC/DC Converter 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.