• Part: ACT4533B
  • Manufacturer: Active-Semi
  • Size: 445.93 KB
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ACT4533B 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)
  • Integrated Over Voltage Protection
  • Excellent EMI Performance
  • Patented ActiveCC Sensorless Constant Current
  • Resistor Programmable

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ACT4533B 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.