Datasheet4U Logo Datasheet4U.com

ACT4533A Datasheet Wide-Input Sensorless CC/CV Step-Down DC/DC Converter

Manufacturer: Active-Semi

Download the ACT4533A datasheet PDF. This datasheet also includes the ACT4533A-Active variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ACT4533A-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ACT4533A
Manufacturer Active-Semi
File Size 445.93 KB
Description Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
Download ACT4533A Download (PDF)

General Description

ACT4533A/B 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.

ACT4533A/B provides up to 3.5A output current at 125kHz switching frequency.

ActiveCC is a patented control scheme to achieve high-accuracy sensorless constant current control.

Overview

ACT4533A/B Rev 0, 14-Aug-13 Wide-Input Sensorless CC/CV Step-Down DC/DC.

Key Features

  • 40V Input Voltage Surge.
  • 36V Steady State Operation.
  • Up to 3.5A output current.
  • Output Voltage up to 12V.
  • 125kHz Switching Frequency Eases EMI Design.
  • 91% Efficiency (Vout=5V@2.4A at Vin=12V).
  • Stable with Low-ESR Ceramic Capacitors to Allow Low-Profile Designs.
  • Integrated Over Voltage Protection.
  • Excellent EMI Performance.
  • Patented ActiveCC Sensorless Constant Current Control Improves Efficiency and Lowers.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
Qorvo Logo ACT4533A Step-Down DC/DC Converter Qorvo
Qorvo Logo ACT4533AYH-T Step-Down DC/DC Converter Qorvo
Qorvo Logo ACT4533B Step-Down DC/DC Converter Qorvo
Qorvo Logo ACT4533BYH-T Step-Down DC/DC Converter Qorvo
Qorvo Logo ACT4533C Step-Down DC/DC Converter Qorvo

More Datasheets from Active-Semi

Part Number Description
ACT4533 Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4533B Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4533C Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4501 1.25A CC/CV Step-Down DC/DC Converter
ACT4513 Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4514 Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
ACT4515 Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
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