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AP65101 (Not Recommended for new design)

NRND = Not Recommended for New Design

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The AP65101 is a 500kHz switching frequency internal compensated synchronous DC-DC buck converter. It has integrated low RDSON high and low side MOSFETs.

The AP65101 enables continuous load current of up to 1.5A with efficiency as high as 97%.

The AP65101 implements an automatic custom light-load efficiency improvement algorithm.

The AP65101 features current mode control operation, which enables fast transient response times and easy loop stabilization.

The AP65101 simplifies board layout and reduces space requirements with its high level of integration and minimal need for external components, making it ideal for distributed power architectures.

The AP65101 is available in a standard Green TSOT26 package and is RoHS compliant.


  • Synchronous Rectification: 200mΩ Internal High-side Switch and 120mΩ Internal Low-side Switch
  • Wide Input Voltage Range: 4.5V to 16V
  • Output Voltage Range: Adjustable from 0.8V
  • 1.5A Continuous Output Current
  • 500kHz Switching Frequency
  • Built-in Over Current Limit, over voltage protection and UVLO
  • Built-in Thermal Shutdown Protection
  • Available in smaller package, TSOT-26


  • Point of Load power
  • STB
  • LCD-TV
  • Coffee Machines
  • Power Supplies
  • Access Point
  • Gateways
  • Cable Modems
  • VOIP
  • xDSL Modems
  • DC-DC

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