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MIC2537 - Quad Power Distribution Switch

General Description

The MIC2537 is a cost-effective high-side power switch with four independently controlled channels, optimized for buspowered Universal Serial Bus (USB) applications.

Few external components are necessary to satisfy USB requirements.

Key Features

  • include thermal shutdown to prevent catastrophic switch failure from high-current loads and 3.3V and 5V logic compatible enable inputs. The MIC2537 is available in active-high and active-low versions in a 16-lead SOP package. Features.
  • Compliant to USB specifications.
  • 3V to 5.5V input.
  • 100mA minimum continuous load current per port.
  • 425mΩ typical on-resistance.
  • < 400mA current limit.
  • Individual open-drain fault flag leads.
  • 3V/5V-com.

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Datasheet Details

Part number MIC2537
Manufacturer Micrel Semiconductor
File Size 83.58 KB
Description Quad Power Distribution Switch
Datasheet download datasheet MIC2537 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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MIC2537 Micrel MIC2537 Quad Power Distribution Switch Final Information General Description The MIC2537 is a cost-effective high-side power switch with four independently controlled channels, optimized for buspowered Universal Serial Bus (USB) applications. Few external components are necessary to satisfy USB requirements. The MIC2537 satisfies the following USB requirements: each switch channel supplies up to 100mA as required by USB bus-powered downstream devices; fault current is limited to typically 250mA, well below the UL 25VA safety requirements; and a flag output is available to indicate fault conditions to the local USB controller. Soft start eliminates the momentary voltage drop on the upstream port that may occur when the switch is enabled in bus-powered applications.