Low Dropout 150mA Linear Regulator

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Product Description

The MP8903 is a 150mA low-dropout linear regulator that can operate from 2.7V to 6.5V input. It regulates the output with 2% accuracy and comes with preset 2.5V, 2.85V or 3.3V output. An external resistor divider may be used to adjust the output voltage from 1.25V to 5V. The MP8903 has thermal protection to guard against harsh operating conditions, and is available in small QFN8 (2x2mm) and 5-pin TSOT23 packages.

Product Features

  • 2.7V to 6.5V Input Voltage Range
  • Fixed Output Voltage Options of 2.5V, 2.85V or 3.3V
  • Adjustable Output Voltage from 1.25V to 5V using an External Resistor Divider
  • Low 100mV Dropout at 100mA Output
  • 2% Accurate Output Voltage
  • Stable With Low-ESR Output Capacitors
  • Thermal Protection
  • Available in Tiny QFN8 (2x2mm) and TSOT23-5 Packages


  • Fixed Output Options2.5, 2.85, 3.3
  • Vdropout (mV)150 (IO:150mA)
  • GradeCatalog
  • PackageQFN-8 (2x2), TSOT23-5
  • Vout (min) (V)1.25
  • Vout (max) (V)5
  • PSRR @ 1kHz (dB)50
  • Accuracy (±%)2
  • Iout (mA)150
  • Vin (max) (V)6.5
  • Vin (min) (V)2.7

Low Dropout 150mA Linear Regulator EV Board

The MP8903 is a low-noise, low-dropout linear regulator. It operates from 2.7V to 6.5V input voltage, and regulates the output voltage with 2% accuracy from 1.5V to 5V.

The MP8903 can supply up to 150mA of load current. The MP8903 features thermal overload protection. It is available in a QFN-8 package.

$25.00 + tax

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All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.