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EVQ1531-M-00A

Active

Low Power, Triple Output Step-Up Plus Charge Pump for TFT Bias

  • Quantity Price
  • 1
    $25.00 /unit
In stock

Arrives 3-4 business days.
Shipping only $5 per order.

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Datasheet (EN)

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Product Description

The EVQ1531-M-00A Evaluation Board is designed to demonstrate the capabilities of MPS’ MP1531 triple output step-up converter with charge-pumps.

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.

A single on/off control enablesall3 outputs. The outputs are internally sequenced at power-on for ease of use. An internal soft-start prevents overloading the input source at startup. Cycle-by-cycle current limit reduces component stress.

Product Features

  • 2.7V to 5.5V Operating Input Range
  • 500mA Switch Current Limit
  • 3 Outputs in Single Package
    • Step-Up Converter up to 22V
    • Positive 10mA Linear Regulator
    • Negative 10mA Linear Regulator
  • 250mΩ Internal Power MOSFET Switch
  • Up to 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 Shutdown
  • Cycle-by-Cycle Over Current Protection
  • Under Voltage Lockout
  • Ready Flag

Parametrics

  • IC Supported 1MP1531

Monolithic IC

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IC Details

The MP1531 is a triple output step-up converter with charge-pumps to make a complete 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. A single on/off control enables all 3 outputs. The outputs are internally sequenced at power­on for ease of use. An internal soft-start prevents overloading the input source at startup. Cycle-by-cycle current limit reduces component stress. The MP1531 is available in both a tiny 16-pin QFN package (3mm x 3mm) and a 16-pin TSSOP package.