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ACT4525 - 40V/3.5A CV/CC Buck Converter

Download the ACT4525 datasheet PDF. This datasheet also covers the ACT4525-Active variant, as both devices belong to the same 40v/3.5a cv/cc buck converter family and are provided as variant models within a single manufacturer datasheet.

General Description

ACT4525 is a wide input voltage, high efficiency step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode.

ACT4525 has separated output current limits for dual port CLA applications.

Key Features

  • Pass Apple MFi Test.
  • 40V Input Voltage Surge.
  • 4.5V-36V Operational Input Voltage.
  • Dual 5.1V Outputs with 1% Accuracy.
  • Up to 3.5A Output Current.
  • 2.65A Constant Current Regulation for VOUT1.
  • 1.2A Constant Current Regulation for VOUT2.
  • USB Auto-detect Support Apple 2.4A, Samsung and BC1.2 Devices.
  • Hiccup Mode Protection at Output Short.
  • 90% Efficiency at Full Load.
  • 0.5mA Low Standby Input Current.
  • 5.7V Output Over Voltage Protection.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ACT4525-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ACT4525
Manufacturer Active-Semi
File Size 637.34 KB
Description 40V/3.5A CV/CC Buck Converter
Datasheet download datasheet ACT4525 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

Other Datasheets by Active-Semi

Part Number Description
ACT4523 Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4523A Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4524 40V/3.5A 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
ACT4525 Rev 1.1, December 17th, 2015 40V/3.5A CV/CC Buck Converter with USB Auto –Detect FEATURES  Pass Apple MFi Test  40V Input Voltage Surge  4.5V-36V Operational Input Voltage  Dual 5.1V Outputs with 1% Accuracy  Up to 3.5A Output Current  2.65A Constant Current Regulation for VOUT1  1.2A Constant Current Regulation for VOUT2  USB Auto-detect Support Apple 2.4A, Samsung and BC1.2 Devices  Hiccup Mode Protection at Output Short  90% Efficiency at Full Load  0.5mA Low Standby Input Current  5.