MP20042

Active
Dual, Low Noise, High PSRR 200mA Linear Regulator


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Product Description

The MP20042 is a dual-channel, micropower, low noise, low dropout and high PSRR linear regulator. The output voltage of MP20042 ranges from 1.2V to 5.0V and 1% accuracy by operating from a +2.5V to +6.0V input. The MP20042 can supply up to 200mA of load current at each channel. The MP20042 uses an internal PMOS as the pass element, which consumes 114? supply current (both LDOs on) at no load condition. The EN1 and EN2 pins control each output respectively. When both channels shutdown simultaneously, the chip will be turned off and consume nearly zero operation current which is suitable for battery-power devices. The MP20042 features current limiting and over temperature protection.

Product Features

  • Two LDOs in a 2mmx2mm QFN8 Package
  • Up to 200mA Output Current (Per Channel)
  • Dual Enable Pins Control Each Output
  • 72dB PSRR at 1kHz
  • 11μVRMS Low Noise Output
  • 110mV Dropout at 100mA Load
  • Very Fast Transient Responses with Small Output Capacitor
  • Current Limiting and Thermal Protection

Parametrics

  • Vin (min) (V)2.5
  • Vin (max) (V)6
  • Regulated Outputs2
  • Iout (mA)200
  • Accuracy (±%)1
  • Noise (µVrms)11
  • Iq (typ) (µA)114
  • PSRR @ 1kHz (dB)72
  • Iout2 (mA)200
  • PackageQFN-8 (2x2)
  • GradeCatalog
  • Fixed Output 2 Options1.8,3.3,2.85,1.85,2.5,1.8
  • Special FeaturesCurrent Limiting
  • Vdropout (mV)110 (IO: 100mA), 250 (IO: 200mA)
  • Fixed Output Options2.5,5,3,1.85,3.3,2.8