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MIC2182 - High-Efficiency Synchronous Buck Controller

Datasheet Summary

Description

The MIC2182 is a synchronous buck (step-down) switching regulator controller.

An all N-channel synchronous architecture and powerful output drivers allow up to a 20A output current capability.

Features

  • 4.5V to 32V Input Voltage Range.
  • 1.25V to 6V Output Voltage Range.
  • 95% Efficiency.
  • 300 kHz Oscillator Frequency.
  • Current Sense Blanking.
  • 5Ω Impedance MOSFET Drivers.
  • Drives N-channel MOSFETs.
  • 600 µA Typical Quiescent Current (Skip-Mode).
  • Logic Controlled Micropower Shutdown (IQ < 0.1 µA).
  • Current-Mode Control.
  • Cycle-by-Cycle Current Limiting.
  • Built-In Undervoltage Protection.
  • Adj.

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Datasheet preview – MIC2182

Datasheet Details

Part number MIC2182
Manufacturer Microchip
File Size 2.66 MB
Description High-Efficiency Synchronous Buck Controller
Datasheet download datasheet MIC2182 Datasheet
Additional preview pages of the MIC2182 datasheet.

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Full PDF Text Transcription

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MIC2182 High-Efficiency Synchronous Buck Controller Features • 4.5V to 32V Input Voltage Range • 1.25V to 6V Output Voltage Range • 95% Efficiency • 300 kHz Oscillator Frequency • Current Sense Blanking • 5Ω Impedance MOSFET Drivers • Drives N-channel MOSFETs • 600 µA Typical Quiescent Current (Skip-Mode) • Logic Controlled Micropower Shutdown (IQ < 0.1 µA) • Current-Mode Control • Cycle-by-Cycle Current Limiting • Built-In Undervoltage Protection • Adjustable Undervoltage Lockout • Easily Synchronizable • Precision 1.245V Reference Output • 0.
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