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ACT4455 - 36V/5A Step Down DC/DC Converter

Download the ACT4455 datasheet PDF. This datasheet also covers the ACT4455-Active variant, as both devices belong to the same 36v/5a step down dc/dc converter family and are provided as variant models within a single manufacturer datasheet.

General Description

ACT4455 is a wide input voltage step-down DC/DC converter with high-side MOSFET integrated.

It provides up to 5A continuous output current at 200kHz switching frequency.

The converter can be configured as single output or dual outputs with independent over current protection.

Key Features

  • 7.5V to 36V Input Voltage.
  • 40V Input Voltage Surge.
  • Up to 5A Output Current.
  • Up to 12V Output Voltage.
  • Dual Outputs with Independent Over Current Protection.
  • 7.5% Accurate Over Current Protection (OCP).
  • Integrated 45mΩ High Side Power FET.
  • 90% Efficiency at Heavy Load.
  • Internal 3ms Soft Startup.
  • Low Standby Input Current.
  • Sleeping Mode at OCP, OTP and SCP.
  • Zero Input and Output Currents a.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ACT4455-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ACT4455
Manufacturer Active-Semo
File Size 665.15 KB
Description 36V/5A Step Down DC/DC Converter
Datasheet download datasheet ACT4455 Datasheet

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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
ACT4455 Rev 2, 21-Nov-12 36V/5A Step Down DC/DC Converter FEATURES • 7.5V to 36V Input Voltage • 40V Input Voltage Surge • Up to 5A Output Current • Up to 12V Output Voltage • Dual Outputs with Independent Over Current Protection • 7.