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MP8865 0.6-1.87V, 6A, 600kHz Synchronous Step-Down Converter QFN-15
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pMPS MP8865 — synchronous step-down converter, 0.6-1.87V input, 6A output, 600 kHz, QFN-15./p
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MP8865 0.6-1.87V, 6A, 600kHz Synchronous Step-Down Converter QFN-15
MPS MP8865 is a synchronous step-down converter that accepts 0.6 V to 1.87 V input, delivers 6 A, switches at 600 kHz, supplied in a QFN-15 package.
Key Specifications
| Part Number | MP8865 |
| Input Voltage | 0.6 V to 1.87 V |
| Output Current | 6 A |
| Switching Frequency | 600 kHz |
| Topology | Synchronous Step-Down Converter |
| Package | QFN-15 |
| Ordering Codes | MP8865 |
Features
- Wide 4.5V to 21V Operation Input Range
- 45mΩ/18mΩ Low RDS(ON) Internal Power MOSFETs
- 1% VOUT Accuracy
- I2C Programmable Reference Voltage Range from 0.6V to 1.87V in 10mV Steps with Slew Rate Control
- I2C Selectable Switching Frequency. Default 600kHz Switching Frequency.
- Programmable Output Voltage
- Power-Saving Mode, OTP, and OCP via I2C
- Power Good Indication
- 1-Bit I2C Address Set
- OCP Protection in Hiccup Mode
Applications
- SoC and Media Processors
- General Consumers
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-15 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP8865?
0.6–1.87 V input and 6 A output.
What switching frequency does the MP8865 run at?
600 kHz, programmable.
Which package is the MP8865 available in?
QFN-15.
Shenzhen Gaorunxin Technology Co., Ltd
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