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The AP72250 is a synchronous boost converter with a minimum 1V input startup voltage and can operate in a wide input voltage range of 0.6V to 5.5V. The device fully integrates a 20mΩ high-side power MOSFET and a 26mΩ low-side power MOSFET to provide high-efficiency step-up DC-DC conversion.
The AP72250 device is easily used by minimizing the external component count due to its adoption of peak current mode control, allowing it to handle wide input-to-output ratios. It also achieves outstanding performance in line and load transient responses and seamless transitions between boost and pass-through modes.
The device is available in a small 1.75mm x 1.35mm, 12-ball WLCSP.
VIN: 0.6V to 5.5V
Minimum Input Startup Voltage: 1V
Output Voltage (VOUT): 1.7V to 5.5V
7A Switching Current
8V ± 1% Reference Voltage
20μA Low Quiescent Current (Pulse Frequency Modulation)
900kHz Switching Frequency
Up to 89% Efficiency at 5mA Light Load
Selectable Operation Mode
Pulse Frequency Modulation (PFM)
Ultrasonic Mode (USM)
Forced Pulse Width Modulation (FPWM)
Power-Good Indicator with 5MΩ Internal Pull-up Resistor