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MIC3172 Datasheet 1.25a Switching Regulators

Manufacturer: Microchip Technology

Overview: MIC2172/3172 100 kHz, 1.25A Switching Regulators.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The MIC2172 and MIC3172 are complete 100 kHz SMPS current mode controllers with internal 65V 1.25A power switches.

The MIC2172

Key Features

  • 1.25A, 65V Internal Switch Rating.
  • 3V to 40V Input Voltage Range.
  • Current Mode Operation.
  • Internal Cycle-by-Cycle Current Limit.
  • Low External Parts Count.
  • Operates in Most Switching Topologies.
  • 7 mA Quiescent Current (Operating).

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