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The AP62250 is a 2.5A, synchronous buck converter with a wide input voltage range of 4.2V to 18V. The device fully integrates a 75mΩ highside power MOSFET and a 45mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion.
The AP62250 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 AP62250 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.
AP62250 is available in SOT563 and TSOT26 packages.
5V and 12V Distributed Power Bus Supplies
Flat Screen TV Sets and Monitors
White Goods and Small Home Appliances
FPGA, DSP, and ASIC Supplies
General Purpose Point of Load
VIN: 4.2V to 18V
Output Voltage (VOUT): 0.8V to 7V
2.5A Continuous Output Current
0.8V ± 1% Reference Voltage (TA = +25°C)
155μA Low Quiescent Current (Pulse Frequency Modulation)
1.3MHz Switching Frequency (VIN = 12V, VOUT = 5V)
Proprietary Gate Driver Design for Best EMI Reduction