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MP20041 1.2-3.6V High PSRR 300mA Linear Regulator QFN8
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pMPS MP20041 — High PSRR 300mA Linear Regulator, 1.2-3.6V input, 300 mA output, QFN8./p
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MP20041 1.2-3.6V High PSRR 300mA Linear Regulator QFN8
The MPS MP20041 is a High PSRR 300mA Linear Regulator. It operates from a 1.2 V to 3.6 V input and is rated for 300 mA. It is supplied in a QFN8 package.
The MP20041 is a dual-channel, micropower, ultra low noise, low dropout and high PSRR linear regulator.
Key Specifications
| Part Number | MP20041 |
| Function | High PSRR 300mA Linear Regulator |
| Input Voltage | 1.2 V to 3.6 V |
| Current Rating | 300 mA |
| Package | QFN8 |
| Ordering Codes | MP20041 |
Features
- Wide Operating Voltage Ranges: 2.5V to 6V
- Two LDOs in a 2mmx2mm TQFN8 Package
- Up to 300mA Output Current (Per Channel)
- Dual Enable Pins Control Each Output
- 72dB PSRR at 10kHz
- 11μVRMS Ultra Low Noise Output with No Noise Bypass Capacitor Required
- 73mV Dropout at 100mA Load
- Very Fast Line/Load Transient Responses with Small Input/Output Capacitor
- Current Limit and Thermal Protection
Typical Application Circuit
Applications
- Cellular Phones
- Battery-powered Equipment
- Laptop, Notebook, and Palmtop Computers
- Hand-held 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 MP20041 support?
1.2 V to 3.6 V. The rated output is 300 mA.
Which package and ordering codes apply to the MP20041?
QFN8; order codes include MP20041.
What are the defining features of the MP20041?
Wide Operating Voltage Ranges: 2.5V to 6V Two LDOs in a 2mmx2mm TQFN8 Package
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