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ACT4303 Datasheet 30V/3A Sensorless CC/CV Step-Down DC/DC Converter

Manufacturer: Active-Semi

Download the ACT4303 datasheet PDF. This datasheet also includes the ACT4303-Active variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (ACT4303-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ACT4303
Manufacturer Active-Semi
File Size 613.63 KB
Description 30V/3A Sensorless CC/CV Step-Down DC/DC Converter
Datasheet download datasheet ACT4303 Datasheet

General Description

ACT4303 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.

ACT4303 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.

Overview

Active-Semi ACT4303 Rev 0, 05-Dec-11 30V/3A Sensorless CC/CV Step-Down DC/DC.

Key Features

  • 32V Input Voltage Surge.
  • 30V Steady State Input Voltage.
  • 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.
  • ±7.5% CC Accuracy.
  • Compensation of Input /Output Voltage Change.
  • Temperature Compensation.

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