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MP20049 1.2-4.5V High PSRR 150mA Linear Regulator in 0.8x0.8mm WLCSP
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pMPS MP20049 — High PSRR 150mA Linear Regulator in 0.8x0.8mm WLCSP, 1.2-4.5V input, 150 mA output./p
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MP20049 1.2-4.5V High PSRR 150mA Linear Regulator in 0.8x0.8mm WLCSP
The MPS MP20049 is a High PSRR 150mA Linear Regulator in 0.8x0.8mm WLCSP. It operates from a 1.2 V to 4.5 V input and is rated for 150 mA.
The MP20049 is an ultra-low noise, low-dropout, high PSRR linear regulator.
Key Specifications
| Part Number | MP20049 |
| Function | High PSRR 150mA Linear Regulator in 0.8x0.8mm WLCSP |
| Input Voltage | 1.2 V to 4.5 V |
| Current Rating | 150 mA |
| Ordering Codes | MP20049 |
Features
- Linear Regulator in 0.8x0.8mm WLCSP
- Input Voltage Range: 2.3V to 6V
- Up to 150mA Output Current
- 16µVRMS Output Noise (100Hz to 100kHz) with No Bypass Capacitor required
- High PSRR:
- 78dB @1kHz
- 55dB @100kHz
- Low Dropout:
- 50mV @120mA Load
- 60mV @150mA Load
Typical Application Circuit
Applications
- Cellular Mobile Phones
- Digital Cameras
- Handheld and Battery-powered Equipment
- Wireless LAN
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 MP20049 support?
1.2 V to 4.5 V. The rated output is 150 mA.
What are the defining features of the MP20049?
Linear Regulator in 0.8x0.8mm WLCSP Input Voltage Range: 2.3V to 6V
Shenzhen Gaorunxin Technology Co., Ltd
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