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

This page provides the datasheet information for the ACT4533A, a member of the ACT4533A-Active Wide-Input Sensorless CC/CV Step-Down DC/DC Converter family.

Datasheet Summary

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.

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.

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Datasheet preview – ACT4533A

Datasheet Details

Part number ACT4533A
Manufacturer Active-Semi
File Size 445.93 KB
Description Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
Datasheet download datasheet ACT4533A Datasheet
Additional preview pages of the ACT4533A datasheet.

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Full PDF Text Transcription

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ACT4533A/B Rev 0, 14-Aug-13 Wide-Input Sensorless CC/CV Step-Down DC/DC Converter 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 Cost. • Resistor Programmable − Current Limit from 1.5A to 4.0A − Patented Cable Compensation from 0 to 0.25Ω • ±7.
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