MP1530

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Triple Outputs Boost Plus Linear Regulators for TFT Bias

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Product 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. An internal soft-start prevents input overload at startup. Cycle-by-cycle current limiting reduces component stress. The MP1530 is available in a tiny 3mm x 3mm, 16-pin QFN package or a 16-pin TSSOP package.

Product 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 3x3mm or TSSOP Packages

Parametrics

  • Vout (min) (V)2.7
  • Vin (min) (V)2.7
  • Vin (max) (V)5.5
  • Isw Limit (typ) (A)3.6
  • Iq (typ) (mA)1.3
  • Regulated Outputs3
  • fsw (max) (kHz)1400
  • Vout (max) (V)22
  • Vfb (V)1.25
  • Mps StatusActive
  • mps_Status1
  • GradeCatalog
  • PackageQFN-16 (3x3), TSSOP16
  • Special FeaturesIntegrated Linear Regulators
  • SSExternal
  • Down ModeNo
  • PGNo
  • Input/Output DisconnectNo
  • Enable All Buying Option Link
  • Disable Add To Cart Button
  • Enable Evaluation Kit Button
  • Disable In Stock Block

Evaluation Kit

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Kit details

The EV0055 evaluation board is designed to demonstrate the capabilities of MPS’ MP1530 triple output step-up converter which is capable of powering a TFT panel from a regulated 3.3V or 5V.

The MP1530 includes a 1.4MHz fixed-frequency step-up converter and a positive and negative linear regulator. The linear regulators are powered from a charge-pump driven by the step-up converter switch node (SW).

A single on/off control enables all 3 outputs. The outputs are internally sequenced at power on and power off for ease of use. An internal soft-start prevents overloading the input source at startup. Cycle-by-cycle over current protection limits component overstress.

US$ 25.00 + tax