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The AP65211A is an current mode synchronous buck converter providing high efficiency, excellent transient response and high DC output accuracy for low-voltage regulation in digital TV and monitor.

The AP65211A features UVLO, OTP, OVP and OCP to protect the circuit.

This IC is available in TSOT26 package.


  • Point of Load Power


  • Synchronous Rectification: 160mΩ Internal High-side Switch and 85mΩ Internal Low-side Switch
  • Wide Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: adjustable from 0.8V
  • 2A Continuous Output Current
  • 500kHz Switching Frequency
  • Built-in Over Current Limit, Over Voltage Protect and UVLO
  • Built-in Thermal Shutdown Protection 
  • Available in smaller package, TSOT-26

Product Specifications

Product Parameters

Type Buck
Efficiency 97 %
Frequency Typ 500 kHz
Minimum Input Voltage 4.5 V
Maximum Input Voltage 18 V
Output Current 2 A
Output Voltage 0.8 to 6 V
Quiescent Current Typ 0.83 mA
Shutdown Current Typ 1 µA

Technical Documents

Recommended Soldering Techniques


Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AP65211AWU-7 Avnet EU 3000 8/11/2020 Buy Now Germany
AP65211AWU-7 Digi-Key Electronics 10231 8/11/2020 Buy Now United States
AP65211AWU-7 Farnell, An Avnet Company 220 8/11/2020 Buy Now England
AP65211AWU-7 Mouser Electronics Inc. 13110 8/11/2020 Buy Now United States
AP65211AWU-7 RS Components 2550 8/11/2020 Buy Now England
AP65211AWU-7 RS Components Ltd. 2550 8/11/2020 Buy Now Japan
AP65211AWU-7 Future Electronics - Asia 3000 8/10/2020 Singapore