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MP1531 Datasheet Triple Output Step-up Plus Charge Pump

Manufacturer: Monolithic Power Systems

Overview: The Future of Analog IC Technology MP1531 Low Power, Triple Output Step-Up Plus Charge Pump for TFT.

General Description

The MP1531 is a triple output step-up converter with charge-pumps to make a plete DC/DC converter to power a TFT LCD panel from a 2.7V to 5.5V supply.

The MP1531 includes a 250kHz fixed frequency step-up converter and a positive and negative linear regulator.

The linear regulators are powered via charge-pumps driven by the step-up converter switch node.

Key Features

  • 2.7V to 5.5V Operating Input Range.
  • 500mA Switch Current Limit.
  • 3 Outputs in a Single Package.
  • Step-Up Converter up to 22V.
  • Positive 10mA Linear Regulator.
  • Negative 10mA Linear Regulator.
  • 250mΩ Internal Power MOSFET Switch.
  • 95% Efficiency.
  • 1μA Shutdown Mode.
  • Fixed 250kHz Frequency.
  • Positive Regulator up to 38V.
  • Negative Regulator down to -20V.
  • Internal Power-On Sequencing.
  • Adjustable Soft-Start/Fault Timer.
  • Thermal Shutd.

MP1531 Distributor