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MIC2267 - Input Current Limiting Synchronous Buck Regulator

General Description

The MIC2267 is a USB Power Maximizer™ which transfers the maximum power from the limited USB current source by shaping the input current limit profile.

It incorporates a high efficiency, integrated synchronous step down regulator.

Key Features

  • include 1µA shutdown current, output current limit and thermal shutdown protection. The MIC2267 is available in a 12-pin 3mm x 3mm MLF® with a junction operating range from.
  • 40°C to +125°C. Datasheets and support documentation can be found on Micrel’s web site at: www. micrel. com. Features.
  • Input voltage range: 3.0V to 5.5V Output voltage adjustable down to 1.0.

📥 Download Datasheet

Datasheet Details

Part number MIC2267
Manufacturer MICREL
File Size 917.12 KB
Description Input Current Limiting Synchronous Buck Regulator
Datasheet download datasheet MIC2267 Datasheet

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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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MIC2267 Input Current Limiting Synchronous Buck Regulator USB Power Maximizer™ General Description The MIC2267 is a USB Power Maximizer™ which transfers the maximum power from the limited USB current source by shaping the input current limit profile. It incorporates a high efficiency, integrated synchronous step down regulator. Internal 150mΩ switches and adjustable operating frequency allows the MIC2267 to achieve greater than 90% efficiency across a broad load range. It replaces the USB current limit switch, 5V buck regulator and minimizes capacitance for many USB applications. The adjustable frequency control can be utilized to move harmonics away from sensitive frequency bands. The MIC2267 allows the input current limit profile to be shaped for various applications.