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MP5017A - 1A to 5A Current Limit Switch

General Description

The MP5017A is a protection device designed to protect circuitry on the output from transients from the input.

It also protects the input from unwanted shorts and transients coming from the output.

During start-up, the inrush current is controlled by limiting the slew rate at the output.

Key Features

  • 3V to 5.5V Continuous Operating Input Voltage (VIN) Range.
  • 16V Absolute Maximum VIN.
  • Output Discharge.
  • SAS/OV Disable to Support DEVSLP or POWER_DOWN.
  • 5.8V Fast Output OVP Response.
  • Reverse Current Blocking.
  • Integrated 45mΩ RDS(ON) Power MOSFET.
  • Adjustable Current-Limit through ILIMIT.
  • 210μA Low Quiescent Current (IQ).
  • Programmable Soft-Start Time (tSS) via the DV/DT Pin.
  • Fast Response for Hard-Sh.

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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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MP5017A 3V to 5.5V, 1A to 5A Current Limit Switch with Over-Voltage Clamp and Reverse Blocking in a 2mmx3mm QFN Package DESCRIPTION The MP5017A is a protection device designed to protect circuitry on the output from transients from the input. It also protects the input from unwanted shorts and transients coming from the output. During start-up, the inrush current is controlled by limiting the slew rate at the output. The slew rate is controlled with a small capacitor at the DV/DT pin. The maximum load at the output is currentlimited. The magnitude of the current limit is controlled by an external resistor placed between ILIMIT and GND. By controlling the gate voltages with a pair of N-channel MOSFETs, any current flowing from the output to the input is blocked.