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MP20051 0.8-5V, 1A Linear Regulator SOIC8E
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pMPS MP20051 — Linear Regulator, 0.8-5V input, 1 A output, SOIC8E./p
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MP20051 0.8-5V, 1A Linear Regulator SOIC8E
The MPS MP20051 is a Linear Regulator. It operates from a 0.8 V to 5 V input and is rated for 1 A. It is supplied in a SOIC8E package.
The MP20051 is a low-dropout linear regulator that supplies up to 1A current with a 140mV dropout voltage.
Key Specifications
| Part Number | MP20051 |
| Function | Linear Regulator |
| Input Voltage | 0.8 V to 5 V |
| Current Rating | 1 A |
| Package | SOIC8E |
| Ordering Codes | MP20051 |
Features
- Up to 1A Output Current
- Low 140mV Dropout at 1A
- Low 110μA Ground Current
- Output Voltage Available from 0.8V to 5V
- Low Noise: 13μVRMS typical (10Hz to 100kHz)
- 63dB PSRR @1kHz
- Stable with Ceramic Capacitor
- Excellent Load/Line Transient Response
- Current Limiting and Thermal Protection
- Available in 3mm x 3mm 8-pin QFN and SOIC8E Packages
Typical Application Circuit
Applications
- Notebook Computers
- Cordless Telephones
- Cellular Phones
- Wireless Communication Equipment
Design Notes
- Dissipation is (VIN − VOUT) × IOUT. Check it against the package thermal resistance at the real ambient temperature before committing to the full rated current.
- Some low-noise LDOs require a minimum output capacitor ESR for loop stability — read the stability section before substituting a ceramic part.
- Add a bypass capacitor on the reference pin where provided; it sets the output noise floor.
- PSRR falls as the input-to-output differential shrinks, so headroom matters at low VIN.
Common Questions
What input voltage does the MP20051 support?
0.8 V to 5 V. The rated output is 1 A.
Which package and ordering codes apply to the MP20051?
SOIC8E; order codes include MP20051.
What are the defining features of the MP20051?
Up to 1A Output Current Low 140mV Dropout at 1A
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