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AP62250 - 2.5A LOW IQ SYNCHRONOUS BUCK CONVERTER

General Description

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.

Key Features

  • 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.
  • Protection Circuitry.
  • Undervoltage Lockout (UVLO).
  • Cycle-by-Cycle Valley Current Limit.
  • Thermal Shutdown.
  • Totally Lead-Free & Fully RoHS Compliant (.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AP62250 4.2V TO 18V INPUT, 2.5A LOW IQ SYNCHRONOUS BUCK CONVERTER Description 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. Pin Assignments (Top View) 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.