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MP28167-B 2.8-22V, 3A, 500kHz Buck-Boost Converter QFN-16
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pMPS MP28167-B — buck-boost converter, 2.8-22V input, 3A output, 500 kHz, QFN-16./p
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MP28167-B 2.8-22V, 3A, 500kHz Buck-Boost Converter QFN-16
MPS MP28167-B is a buck-boost converter that accepts 2.8 V to 22 V input, delivers 3 A, switches at 500 kHz, supplied in a QFN-16 package.
Key Specifications
| Part Number | MP28167-B |
| Input Voltage | 2.8 V to 22 V |
| Output Current | 3 A |
| Switching Frequency | 500 kHz |
| Topology | Buck-Boost Converter |
| Package | QFN-16 |
| Ordering Codes | MP28167-B |
Features
- Configurable VOUT via the FB Pin
- Wide 2.8V to 22V Operating VIN Range
- 0.08V to 1.637V Reference Voltage (VREF) Range with 0.8mV Resolution via the I2C (1) (Default 0.54V VREF)
- 3A Output Current (IOUT) and 4A Input Current (IIN)
- Four Low On Resistance (RDS(ON)) Internal Buck Power MOSFETs
- Adjustable, Accurate CC IOUT_LIMIT with Internal Sensing MOSFET via the I2C
- 500kHz, 750kHz, 1MHz, or 1.25MHz Selectable Switching Frequency (fSW) (Default 1.25MHz fSW)
- Output OVP with Hiccup Mode
- Output Short-Circuit Protection (SCP) with Hiccup Mode
- Over-Temperature Warning and Shutdown
Applications
- USB Power Delivery (PD) Sourcing Ports
- Wireless Charging Transmitter
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 QFN-16 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP28167-B?
2.8–22 V input and 3 A output.
What switching frequency does the MP28167-B run at?
500 kHz, programmable.
Which package is the MP28167-B available in?
QFN-16.
Shenzhen Gaorunxin Technology Co., Ltd
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