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MIC4576 - 3A Buck Regulator

General Description

The MIC4576 is a series of easy-to-use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators.

The 200 kHz MIC4576 duplicates the pinout and function of the 52 kHz LM2576.

The higher switching frequency may allow up to a 2:1 reduction in output filter inductor size.

Key Features

  • Fixed 200 kHz Operation.
  • 3.3V, 5V, and Adjustable Output Versions.
  • Voltage Over Specified Line and Load Conditions: - Fixed version: ±3% maximum output voltage - Adjustable version: ±2% maximum feedback voltage.
  • Guaranteed 3A Switch Current.
  • Wide 4V to 36V Input Voltage Range.
  • Wide 1.23V to 33V Output Voltage Range.
  • Requires Minimum External Components.

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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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MIC4576 200 kHz Simple 3A Buck Regulator Features • Fixed 200 kHz Operation • 3.3V, 5V, and Adjustable Output Versions • Voltage Over Specified Line and Load Conditions: - Fixed version: ±3% maximum output voltage - Adjustable version: ±2% maximum feedback voltage • Guaranteed 3A Switch Current • Wide 4V to 36V Input Voltage Range • Wide 1.