Description      The FP6378A is a high efficiency, high frequency synchronous DC-DC step-down regulator. The 100% duty cycle feature provides low dropout operation, extending battery life in portable systems.        The internal synchronous switch increases efficiency and eliminates the need for external Schottky diode. At shutdown mode, the input supply current is less than 1µA.        The current limit protection and on-chip thermal shutdown features provide protection against any combination of overload or ambient temperature.

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Features  Low R DS(ON) for Internal Switch (Top/Bottom):180/100mΩ  2.5V~5.5V Input Voltage Range  2A Output Current  1MHz Switching Frequency Minimizes the External Components  Internal Soft-Start Limits the Inrush Current  Internal Compensation Function  100% Dropout Operation  Power Good Indicator Output (SOT-23-6 only)  RoHS Compliant and Halogen Free  SOT-23-5 and SOT-23-6 Packages

Applications  Set Top Box  LCD TV  Tablet  Portable Equipment