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APR34150 is a secondary side Combo IC, which combines an N-Channel MOSFET and a driver circuit designed for synchronous rectification (SR) in DCM operation.

The N-Channel MOSFET has been optimized for low gate charge, low RDS(ON), fast switching speed and body diode reverse recovery performance.

The synchronous rectification can effectively reduce the secondary side rectifier power dissipation and provide high performance solution. By sensing MOSFET drain-to-source voltage, APR34150 can output ideal drive signal with less external components. It can provide high performance solution for 5V output voltage application.

The APR34150 is available in SO-8 package.


  • Adapters/Chargers for Cell/Cordless Phones, ADSL Modems, MP3, and Other Portable Apparatus
  • Standby and Auxiliary Power Supplies


  • Synchronous Rectification for DCM Operation Flyback
  • Eliminate Resonant Ring Interference
  • Fast Detector of Supply Voltages
  • Fewest External Components
  • Totally Lead-free & Fully RoHS Compliant
  • Halogen and Antimony Free. “Green” Device

Product Specifications

Product Parameters

Internal Trigger Voltage N/A V
VCC Max 6
Operating Current 100 µA
Turn-Off Threshold Voltage -12.5 mV
Min On-Time (ns) 1800
Turn-Off Delay 100 ns
Drain Rating 50 V
Switching FET 15

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Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
APR34150MTR-G1 Mouser Electronics Inc. 3850 8/11/2020 Buy Now United States