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MIC22400 Datasheet 4a Integrated Switch Synchronous Buck Regulator

Manufacturer: Microchip Technology

Overview: MIC22400 4A Integrated Switch Synchronous Buck Regulator with Frequency Programmable up to 4.

General Description

MIC22400 is a high-efficiency, 4A integrated switch synchronous buck (step-down) regulator.

MIC22400 is optimized for highest efficiency, achieving over 90% efficiency while still switching at 1 MHz over a broad load range.

The ultra high-speed control loop keeps the output voltage within regulation even under extreme transient load swings commonly found in FPGAs and low-voltage ASICs.

Key Features

  • Input Voltage Range: 2.6V to 5.5V.
  • Output Voltage Adjustable Down to 0.7V.
  • Output Load Current Up to 4A.
  • Full Sequencing and Tracking Ability.
  • Power-On-Reset (POR).
  • Efficiency >90% Across a Broad Load Range.
  • Programmable Frequency 300 kHz to 4 MHz.
  • Easy Ramp Control (RC) Compensation.
  • Ultra-Fast Transient Response.
  • 100% Maximum Duty Cycle.
  • Fully Integrated MOSFET Switches.
  • Micropower Shut.

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