MIC2172 Datasheet (PDF) Download
Microchip Technology
MIC2172

Description

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

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)
  • <1 μA Quiescent Current, Shutdown Mode (MIC3172)
  • TTL Shutdown patibility (MIC3172)
  • External Frequency Synchronization (MIC2172)