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ACT4752 Datasheet USB Fast Charger

Manufacturer: Qorvo

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General Description

The ACT4752 is a programmable DC-to-DC buck converter with bias supply rails.

This synchronous step-down 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

ACT4752 USB Fast Charger Power IC with 40V Input Voltage, 4A, Programmable Output Voltage and.

Key Features

  • 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 with Low-cost MLCC.
  • Out of AM Radio / Spread-Spectrum Operation.

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