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MIC2039 - Adjustable Current-Limit Power Switch

Description

The MIC2039 is a high-side MOSFET power distribution switch that provides increased system reliability by using 5% current-limit accuracy.

The MIC2039 has an operating input voltage range from 2.5V to 5.5V, is internally current-limited, and has thermal shutdown to protect the device and system.

Features

  • ±5% Current-Limit Accuracy.
  • Input Supply Range from 2.5V to 5.5V.
  • Low Quiescent Current: 100 µA Typical (Switch ON).
  • 75 mΩ Typical RDS(ON) at 5V.
  • 0.2A to 2.5A Adjustable Output Current.
  • Kickstart: Momentary Secondary Current-Limit Threshold (120 ms period).
  • Soft-Start Functionality.
  • Undervoltage Lockout (UVLO).
  • Fast 10 µs Short-Circuit Response Time (Non-Kickstart Options).
  • Fault Status Output Flag.

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Datasheet preview – MIC2039

Datasheet Details

Part number MIC2039
Manufacturer Microchip
File Size 2.39 MB
Description Adjustable Current-Limit Power Switch
Datasheet download datasheet MIC2039 Datasheet
Additional preview pages of the MIC2039 datasheet.

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Full PDF Text Transcription

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MIC2039 High-Accuracy, High-Side, Adjustable Current-Limit Power Switch Features • ±5% Current-Limit Accuracy • Input Supply Range from 2.5V to 5.5V • Low Quiescent Current: 100 µA Typical (Switch ON) • 75 mΩ Typical RDS(ON) at 5V • 0.2A to 2.5A Adjustable Output Current • Kickstart: Momentary Secondary Current-Limit Threshold (120 ms period) • Soft-Start Functionality • Undervoltage Lockout (UVLO) • Fast 10 µs Short-Circuit Response Time (Non-Kickstart Options) • Fault Status Output Flag • Logic Controlled Enable (Active-High, Active-Low) • Thermal Shutdown • Pin Compatible with MIC2009/MIC2019 • 6-Pin 2 mm x 2 mm UDFN and 6-Pin SOT-23 Packages • Junction Temperature Range from –40°C to +125°C Applications • USB Peripherals and USB 2.0/3.
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