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ACT4751M Datasheet USB Fast Charger

Manufacturer: Qorvo

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General Description

The ACT4751M is a programmable DC-to-DC buck converter with bias supply rails.

This synchronous stepdown voltage regulator supports a wide input voltage of 4.5 V to 40 V and integrates both the high side and low side MOSFETS.

These 50mΩ RDSON transistors enable high efficiency by reducing power losses.

Overview

ACT4751M AEC-Q100, USB Fast Charger Power IC with 40V Input, 4A, Programmable Output Voltage and.

Key Features

  • AEC-Q100 Grade 1: -40 to +125°C.
  • CISPR 25 Class 3: PASS.
  • Certified USB Fast Charger, Reference Designs.
  • Qualcomm® Certified, Quick Charger Designs 　.
  • 4.5 V to 40 V Operational Input Voltage.
  • Programmable Output Voltage by I2C 3 V to 24 V in 12.5 mV Step.
  • Programmable Output Current Limit 4 A in 256 Step Resolution.
  • 450 kHz to 2.25 MHz Fixed-Frequency Current-Mode Control with External Clock Sync, 100% Duty Operation, Stable.

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