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MP2155 2-5.5V, 2.2A, 1MHz Buck-Boost Converter QFN10
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pMPS MP2155 — buck-boost converter, 2-5.5V input, 2.2A output, 1 MHz, QFN10./p
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MP2155 2-5.5V, 2.2A, 1MHz Buck-Boost Converter QFN10
MPS MP2155 is a buck-boost converter that accepts 2 V to 5.5 V input, delivers 2.2 A, switches at 1 MHz, supplied in a QFN10 package.
Key Specifications
| Part Number | MP2155 |
| Input Voltage | 2 V to 5.5 V |
| Output Voltage | 2 V to 5.5 V |
| Output Current | 2.2 A |
| Switching Frequency | 1 MHz |
| Quiescent Current | 80 uA |
| Topology | Buck-Boost Converter |
| Package | QFN10 |
| Ordering Codes | MP2155 |
Features
- High Efficiency up to 95%.
- Load Disconnect During Shutdown
- Input Voltage Range: 2V to 5.5V
- Adjustable Output Voltage from 1.5V to 5V
- 3.3V/1A Load Capability from 2.7V-to-5.5V Vin
- 1MHz Switching Frequency
- Pulse Skipping Mode at Light Load
- Typical 80μA Quiescent Current
- Internal Loop Compensation for Fast Response
- Internal Soft Start
Applications
- Battery-Powered Products
- Portable Instruments
- Tablet PCs
- POS Systems
- GSM/GPRS
Design Notes
- Buck-boost operation keeps the output regulated either side of the input, which costs efficiency compared with a pure buck at the same rating.
- Power switches are integrated, so the thermal path is the PCB copper under the pad.
- Package QFN10 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP2155?
2–5.5 V input and 2.2 A output.
What switching frequency does the MP2155 run at?
1 MHz.
Which package is the MP2155 available in?
QFN10.
Shenzhen Gaorunxin Technology Co., Ltd
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