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AUTOMOTIVE-COMPLIANT, 40V, 2A SYNCHRONOUS BUCK WITH ADJUSTABLE FREQUENCY
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The AP64200Q is an automotive-compliant, 2A, synchronous buck converter with a wide input voltage range of 3.8V to 40V. The device fully integrates a 150mΩ high-side power MOSFET and an 80mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion.
The AP64200Q device is easily used by minimizing the external component count due to its adoption of peak current mode control.
The AP64200Q design is optimized for Electromagnetic Interference (EMI) reduction. The device has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which reduces high-frequency radiated EMI noise caused by MOSFET switching. The AP64200Q also features Frequency Spread Spectrum (FSS) with a switching frequency jitter of ±6%, which reduces EMI by not allowing emitted energy to stay in any one frequency for a significant period of time.
The device is available in an SO-8EP package.
|Compliance(Only Automotive supports PPAP)||Automotive|
|Minimum Input Voltage (V)||3.8|
|Maximum Input Voltage (V)||40|
|Output Current (A)||2|
|Minimum Output Voltage (V)||0.8|
|Maximum Output Voltage (V)||VIN|
|Quiescent Current Typ (µA)||25|
|Shutdown Current Typ (µA)||1|
|Frequency Typ (kHz)||100 to 2200|
|HS RDS(ON) (mΩ)||150|
|LS RDS(ON) (mΩ)||80|
|Features||Enable, Light Load Efficiency, Soft-start Fixed, Frequency Adjustable, External Clock Synchronization, External Loop Compensation, UVLO Adjustable, Frequency Spread Spectrum, OVP, Overcurrent Protection, Thermal Shutdown, Synchronous Rectification|