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MP8847 2.7-6V, 6A, 0.85MHz Step-Down Converter QFN-14
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pMPS MP8847 — step-down converter, 2.7-6V input, 6A output, 0.85 MHz, QFN-14./p
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MP8847 2.7-6V, 6A, 0.85MHz Step-Down Converter QFN-14
MPS MP8847 is a step-down converter that accepts 2.7 V to 6 V input, delivers 6 A, switches at 0.85 MHz, supplied in a QFN-14 package.
Key Specifications
| Part Number | MP8847 |
| Input Voltage | 2.7 V to 6 V |
| Output Current | 6 A |
| Switching Frequency | 0.85 MHz |
| Topology | Step-Down Converter |
| Package | QFN-14 |
| Ordering Codes | MP8847 |
Features
- I2C-Programmable Output Range from 0.6V to 1.235V in 5mV Steps
- 2.7V to 6V Input Voltage Range
- Up to 6A Load Current
- Internal 35mΩ High-Side and 15mΩ Low- Side Power MOSFETs
- I2C-Compatible Interface up to 3.4Mbps
- Factory Adjustable Switching Frequency from 0.85MHz to 2.2MHz
- Power-Saving Mode Selectable via I2C
- Internal 1ms Soft Start
- Power Good Indicator
- Current Overload and Thermal Shutdown Protection
Applications
- Processor Core Supplies
Design Notes
- The step-down topology needs an inductor and output capacitor sized for the ripple at the switching frequency, not just the DC load.
- Keep the input loop short — high di/dt at the switch node sets conducted EMI.
- Power switches are integrated, so the thermal path is the PCB copper under the pad.
- Package QFN-14 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP8847?
2.7–6 V input and 6 A output.
What switching frequency does the MP8847 run at?
0.85 MHz, programmable.
Which package is the MP8847 available in?
QFN-14.
Shenzhen Gaorunxin Technology Co., Ltd
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