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MP38875 4.5-16V, 15A, 800kHz Step-Down Converter
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pMPS MP38875 — step-down converter, 4.5-16V input, 15A output, 800 kHz./p
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MP38875 4.5-16V, 15A, 800kHz Step-Down Converter
MPS MP38875 is a step-down converter that accepts 4.5 V to 16 V input, delivers 15 A, switches at 800 kHz.
Key Specifications
| Part Number | MP38875 |
| Input Voltage | 4.5 V to 16 V |
| Output Current | 15 A |
| Switching Frequency | 800 kHz |
| Topology | Step-Down Converter |
| Ordering Codes | MP38875 |
Features
- Wide 4.5V to 16V Operating Input Range
- 15A Output Current
- 25mΩ Internal Power MOSFET Switch
- Synchronous Gate Driver
- Synch from 300KHz to > 1MHz External Clock or 800KHz Fixed Switching Frequency
- Synch Output to Drive Another Regulator in Phase-Shift Operation
- Feedback Voltage Accuracy: 2%
- Programmable Soft-Start
- Startup Tracking
- EN and Power Good for Power Sequencing
Applications
- Distributed Power Systems
- Pre-Regulator for Linear Regulators
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.
Common Questions
What is the input and output rating of the MP38875?
4.5–16 V input and 15 A output.
What switching frequency does the MP38875 run at?
800 kHz, programmable.
Shenzhen Gaorunxin Technology Co., Ltd
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