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MIC22205 Datasheet Synchronous Buck Regulator

Manufacturer: Micrel Semiconductor

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Datasheet Details

Part number MIC22205
Manufacturer Micrel Semiconductor
File Size 1.55 MB
Description Synchronous Buck Regulator
Download MIC22205 Download (PDF)

General Description

The Micrel MIC22205 is a high-efficiency, 2A, integrated switch, synchronous buck (step-down) regulator.

The MIC22205 is optimized for highest efficiency, achieving more than 95% efficiency while still switching at 1MHz.

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

Overview

MIC22205 2A, Integrated, Switch, High-Efficiency, Synchronous Buck Regulator with Frequency Programmable up to 4MHz.

Key Features

  • Input voltage range: 2.9V to 5.5V.
  • Output voltage adjustable down to 0.7V.
  • Output load current up to 2A.
  • Safe start-up into a pre-biased output.
  • Full sequencing and tracking capability.
  • Power Good (PG) output.
  • Efficiency > 95% across a broad load range.
  • Programmable frequency 300kHz to 4MHz.
  • Ultra-fast transient response.
  • Easy RC compensation.
  • 100% maximum duty cycle.
  • Fully-integrated MOS.

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