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MP9487 - Switching Current Limit Step-Down Converter

General Description

The MP9487 is a high-voltage, step-down, switching regulator that delivers up to 1A of continuous current to the load.

It integrates a high-side, high-voltage, power MOSFET with a current limit of 3.5A, typically.

Key Features

  • Wide 4.5V to 100V Input Range.
  • 3.5A Typical Peak Switching Current Limit.
  • Hysteretic Control: No Compensation.
  • Up to 1MHz Switching Frequency.
  • Short-Circuit Protection (SCP) with Integrated High-Side MOSFET.
  • 170μA Quiescent Current.
  • Thermal Shutdown.
  • Available in a SOIC-8 Package with an Exposed Pad.

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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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MP9487 100V Input, 3.5A, Switching Current Limit Step-Down Converter DESCRIPTION The MP9487 is a high-voltage, step-down, switching regulator that delivers up to 1A of continuous current to the load. It integrates a high-side, high-voltage, power MOSFET with a current limit of 3.5A, typically. The wide 4.5V to 100V input range accommodates a variety of step-down applications, making it ideal for automotive, industry, and lighting applications. Hysteretic voltage-mode control is employed for very fast response. MPS’s proprietary feedback control scheme minimizes the number of required external components. The switching frequency can be up to 1MHz, allowing for small component size. Thermal shutdown and short-circuit protection (SCP) provide reliable and fault-tolerant operations.