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MP9485GN - Step-Down Converter

Download the MP9485GN datasheet PDF. This datasheet also covers the MP9485 variant, as both devices belong to the same step-down converter family and are provided as variant models within a single manufacturer datasheet.

General Description

The MP9485 is a high-voltage, step-down, switching regulator that delivers up to 0.5A of current to the load.

It integrates a high-side, high-voltage power MOSFET with a current limit of 1.0A, typically.

Key Features

  • Wide 4.5V to 100V Input Range.
  • Hysteretic Control: No Compensation.
  • Up to 2MHz Switching Frequency.
  • PWM Dimming Control Input for LED.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MP9485-MPS.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Monolithic Power Systems

Part Number Description
MP9485 Step-Down Converter
MP9486 Step-Down Converter
MP9486A Switching Current Limit Step-Down Converter
MP9486AGN Switching Current Limit Step-Down Converter
MP9486GN Step-Down Converter

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.

View original datasheet text
DESCRIPTION The MP9485 is a high-voltage, step-down, switching regulator that delivers up to 0.5A of current to the load. It integrates a high-side, high-voltage power MOSFET with a current limit of 1.0A, 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 2MHz, allowing for small component size. Thermal shutdown and short-circuit protection (SCP) provide reliable and fault-tolerant operations. A 170µA quiescent current allows the MP9485 to be used in battery-powered applications.