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MIC2172 - 1.25A Switching Regulators

General Description

The MIC2172 and MIC3172 are complete 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).

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MIC2172/3172 100 kHz, 1.25A Switching Regulators 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 Compatibility (MIC3172) • External Frequency Synchronization (MIC2172) • External Frequency Trim (MIC2172) • Fits Most LT1172 Sockets (see Section 5.