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MP3431 2.7-13V, 21A, 600kHz Boost Converter QFN-13
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pMPS MP3431 — boost converter, 2.7-13V input, 21A output, 600 kHz, QFN-13./p
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MP3431 2.7-13V, 21A, 600kHz Boost Converter QFN-13
MPS MP3431 is a boost converter that accepts 2.7 V to 13 V input, delivers 21 A, switches at 600 kHz, supplied in a QFN-13 package.
Key Specifications
| Part Number | MP3431 |
| Input Voltage | 2.7 V to 13 V |
| Output Current | 21 A |
| Switching Frequency | 600 kHz |
| Topology | Boost Converter |
| Package | QFN-13 |
| Ordering Codes | MP3431 |
Features
- 2.7V to 13V Start-Up Voltage
- 0.8V to 13V Operation Voltage
- Up to 16V Output Voltage
- Supports 30W Average Power Load and 40W Peak Power Load from 3.3V
- Programmable Input Current Limit
- 21.5A Internal Switch Current Limit
- Integrated 6.5mΩ and 10mΩ Power MOSFET
- >95% Efficiency for 3.6V VIN to 9V/3A
- Selectable PSM, >23kHz USM, and FCCM in Light-Load Condition
- 600kHz Fixed Switching Frequency
Applications
- Notebooks
- Bluetooth Speakers
- Portable POS Systems
Design Notes
- In boost mode the input current is continuous but the output current is pulsed; size the output capacitor for the load transient.
- Power switches are integrated, so the thermal path is the PCB copper under the pad.
- Package QFN-13 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP3431?
2.7–13 V input and 21 A output.
What switching frequency does the MP3431 run at?
600 kHz, programmable.
Which package is the MP3431 available in?
QFN-13.
Shenzhen Gaorunxin Technology Co., Ltd
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