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AP72250 - 0.6V TO 5.5V INPUT SYNCHRONOUS BOOST CONVERTER

General Description

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.

Key Features

  • VIN: 0.6V to 5.5V.
  • Minimum Input Startup Voltage: 1V.
  • Output Voltage (VOUT): 1.7V to 5.5V.
  • 4.7A Switching Current.
  • 0.8V ± 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.

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AP72250 0.6V TO 5.5V INPUT SYNCHRONOUS BOOST CONVERTER WITH 4.7A SWITCHES Description Pin Assignments 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 highefficiency 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.