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MP5418A - Negative Charge Pump and Adjustable Regulator

General Description

The MP5418A is a monolithic negative charge pump with a built-in adjustable negative regulator.

It has a 2.3V to 5V input range, and provides an unregulated output that equals negative input voltage.

The MP5418A also provides a regulated output between 0V and negative input voltage.

Key Features

  • 2.3V to 5V VIN Range.
  • Up to 200mA Output Current.
  • Only 4 x 4.7μF Capacitor Required for 60mA.
  • Low VO Ripple with Fixed Frequency Control.
  • EN Control.
  • No Inrush Current during Start-Up.
  • Short Current Protection.
  • Dual-Output: o -1x Charge Pump o Regulated Output between 0V and -VIN.
  • Available in a QFN-10 (1.4mmx1.8mm) Package.

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MP5418A Negative Charge Pump and Adjustable Regulator DESCRIPTION The MP5418A is a monolithic negative charge pump with a built-in adjustable negative regulator. It has a 2.3V to 5V input range, and provides an unregulated output that equals negative input voltage. The MP5418A also provides a regulated output between 0V and negative input voltage. No external inductor is required for simplicity and compactness. An internal soft-start circuit effectively reduces the inrush current during start-up. The MP5418A is available in an ultra-low profile QFN-10 (1.4mmx1.8mm) package. The MP5418A requires four ceramic capacitors to get the minimum solution size. It is ideal for a wide range of applications, including optical modules, RF amplifiers, and sensor supplies. FEATURES  2.