• Part: ACT4523A
  • Manufacturer: Active-Semi
  • Size: 391.40 KB
Download ACT4523A Datasheet PDF
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ACT4523A Description

ACT4523A 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. ACT4523A provides up to 3.5A output current at 250kHz switching frequency. Active CC is a patented control scheme to achieve highest accuracy with sensorless constant current control.

ACT4523A Key Features

  • 40V Input Voltage Surge
  • 36V Steady State Operation
  • Up to 3.5A Output Current
  • Output Voltage up to 12V
  • 250kHz Switching Frequency
  • 91% Efficiency (Vout = 5V@3.5A at Vin = 12V)
  • Patented ActiveCC Sensorless Constant Current
  • Integrated Current Control Improves
  • Resistor Programmable
  • Current Limit from 1.5A to 4.0A