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MP5418 - Negative Charge Pump and Adjustable Regulator

General Description

The MP5418 is a monolithic negative charge pump with a built-in adjustable negative regulator.

It has an input range from 2.3V to 5V and provides an unregulated output equal to the negative input voltage.

The MP5418 also provides a regulated output between 0V and the negative input voltage.

Key Features

  • Low IQ: 220μA.
  • VIN Range from 2.3V to 5V.
  • Up to 200mA Output Current.
  • Only 4 x 4.7μF Capacitors Needed for 60mA.
  • Auto Power-Save Mode.
  • EN Control.
  • No Inrush Current during Start-Up.
  • Short-Current Protection.
  • Dual Output: 1. -1x Charge Pump 2. Regulated output between 0V and -VIN.
  • Small Space Saving QFN-10 1.4mmx1.8mm Package.

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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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MP5418 Negative Charge Pump and Adjustable Regulator DESCRIPTION The MP5418 is a monolithic negative charge pump with a built-in adjustable negative regulator. It has an input range from 2.3V to 5V and provides an unregulated output equal to the negative input voltage. The MP5418 also provides a regulated output between 0V and the negative input voltage. No external inductor is required, which reduces space and simplifies design. An internal softstart circuit effectively reduces the in-rush current during start-up. The MP5418 is available in an ultra-low profile QFN-10 1.4mmx1.8mm package. It requires only 4 ceramic capacitors for a compact solution size. It is ideal for a wide range of applications, including optical modules, RF amplifiers, and sensor supplies.