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MP1530 - Triple Output Step-Up Plus Linear Regulators

General Description

The MP1530 combines a triple output step-up converter with linear regulators to provide a complete DC/DC solution.

It is designed to power TFT LCD panels from a regulated 3.3V or 5V supply.

Key Features

  • 2.7 to 5.5V Operating Input Range.
  • 2.8A Switch Current Limit.
  • 3 Outputs In a Single Package.
  • Step-Up Converter up to 22V.
  • Positive 20mA Linear Regulator.
  • Negative 20mA Linear Regulator.
  • 250mΩ Internal Power MOSFET Switch.
  • Up to 95% Efficiency.
  • 1.4MHz Fixed Frequency.
  • Internal Power-On Sequencing.
  • Adjustable Soft-Start/Fault Timer.
  • Cycle-by-Cycle Over Current Protection.
  • Under Voltage Lockout.
  • Ready Flag.
  • 16-Pin, QFN (3x3.

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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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The Future of Analog IC Technology MP1530 Triple Output Step-Up Plus Linear Regulators for TFT Bias DESCRIPTION The MP1530 combines a triple output step-up converter with linear regulators to provide a complete DC/DC solution. It is designed to power TFT LCD panels from a regulated 3.3V or 5V supply. This device integrates a 1.4MHz fixed-frequency step-up converter with positive and negative linear regulators. The step-up converter switch node drives two charge pumps, which supply powers to their respective linear regulators. The positive and negative linear regulator inputs can withstand up to 38V and down to -20V, respectively. A single on/off control enables all 3 outputs. The outputs are internally sequenced at startup for ease of use.