MP20045
Active
Low Noise, 1A Linear Regulator
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The MP20045 is a low-dropout linear regulator supplies up to 1A current with 140mV dropout voltage. The output voltage is set externally which ranges from 1.5V to 5V by operating from +2.5V to +5.5V input or can be preset internally from 1.5V to 5V. An internal PMOS pass element is used to allow a low 110? ground current, making the MP20045 suitable for battery-power devices. Other features include low-power shutdown, short-circuit and thermal protection. The MP20045 is available in 8-pin QFN (3mm x 3mm) and SOIC8E packages.
Product Features
- Up to 1A Output Current
- Low 140mV Dropout at 1A
- Low 110μA Ground Current
- Fixed Output Versions Ranging from 1.5V to 5V and Adjustable Versions
- Open Drain Power-Good Status Output
- 13μVRMS Low Noise Output
- 56dB PSRR at 1kHz
- Current Limiting and Thermal Protection
- 3mm×3mm QFN8 and SOIC8E Packages
Parametrics
- Fixed Output Options1.5,1.8,2.8,3.3
- Vdropout (mV)140 (IO:1000mA)
- Special FeaturesCurrent Limiting, Power Good
- GradeCatalog
- PackageQFN-8 (3x3), SOIC-8E
- Vout (min) (V)1.5
- Vout (max) (V)5
- PSRR @ 1kHz (dB)56
- Iq (typ) (µA)110
- Noise (µVrms)13
- Accuracy (±%)2.5
- Iout (mA)1000
- Vin (max) (V)5.5
- Vin (min) (V)2.5
Quality Policy, Certificates & Reliability Reports
All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.
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