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The AP61300/AP61302 is a 3A, synchronous buck converter with a wide input voltage range of 2.4V to 5.5V. The device fully integrates a 70mΩ high-side power MOSFET and a 50mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion. The AP61300/AP61302 device is easily used by minimizing the external component count due to its adoption of Constant On-Time (COT) control to achieve fast transient response, easy loop stabilization, and low output voltage ripple. The device is available in a SOT563 package.
VIN: 2.4V to 5.5V
Output Voltage (VOUT): 0.6V to VIN
3A Continuous Output Current
6V ± 2% Reference Voltage
19μA Low Quiescent Current (Pulse Frequency Modulation)