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The DIODES™ AP66300Q is an adjustable switching frequency internal compensated synchronous DC-DC buck converter with a default internal frequency of 500kHz. The device fully integrates a 120mΩ high-side power MOSFET and a 55mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion.
The device enables a continuous load current of up to 3A with efficiency as high as 95% in enhanced biased. It features current mode control operation, which enables easy loop stabilization supporting a wide range of output capacitive loads.
The AP66300Q 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 AP66300Q is available in the standard Green U-QFN4040-16/SWP (Type UXB) package.
Qualified for Automotive Applications
AEC-Q100 Qualified with the Following Results
Device Temperature Grade 1: -40°C to +125°C TA
Device HBM ESD Classification Level H1C
Device CDM ESD Classification Level C3B
VIN8 to 60V
3A Continuous Output Current
VOUT Adjustable from 0.8V to 50V
Enhanced Efficiency Mode with Bias
Adjustable Switching Frequency; 500kHz Default Frequency
Start-up with Pre-biased Output
External Soft-Start with Tracking – Sequential, Ratiometric, or Absolute; Default Internal Soft-Start of 1.7ms
Enable Pin with 5% tolerance
±5% Power Good Detection with Internal Pull-up Resistor