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MP4247 3.6-36V, 5A, 280kHz Buck-Boost Converter QFN-20
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pMPS MP4247 — buck-boost converter, 3.6-36V input, 5A output, 280 kHz, QFN-20./p
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MP4247 3.6-36V, 5A, 280kHz Buck-Boost Converter QFN-20
MPS MP4247 is a buck-boost converter that accepts 3.6 V to 36 V input, delivers 5 A, switches at 280 kHz, supplied in a QFN-20 package.
Key Specifications
| Part Number | MP4247 |
| Input Voltage | 3.6 V to 36 V |
| Output Current | 5 A |
| Switching Frequency | 280 kHz |
| Topology | Buck-Boost Converter |
| Package | QFN-20 |
| Ordering Codes | MP4247 |
Features
- UL and IEC62368-1 Certified, Efile #322138
- 100W Buck-Boost Converter with Integrated Low-Side MOSFETs (LS-FETs)
- Integrated Gate Driver for High-Side Power MOSFETs (HS-FETs)
- 3.6V to 36V Start-Up Input Voltage (VIN) Range
- Supports 2.8V Falling VIN when the Output Voltage (VOUT) > 3.5V
- 1V to 24V (1) VOUT Range with 1% Accuracy
- Up to 5A Output Current (IOUT)
- Up to 98% Peak Efficiency
- Configurable Reference Voltage (VREF) Range (0.1V to 2.147V) with 1mV Resolution via I2C Interface
- Accurate Output CC Current Limit: ±5%
Applications
- USB Type-C and USB Power Delivery
- USB Type-C PD Monitors and Docking Stations
- USB Type-C Car Chargers
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-20 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP4247?
3.6–36 V input and 5 A output.
What switching frequency does the MP4247 run at?
280 kHz.
Which package is the MP4247 available in?
QFN-20.
Shenzhen Gaorunxin Technology Co., Ltd
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