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MP9151 4A Step-Down Converter QFN2
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pMPS MP9151 — step-down converter, 4A output, QFN2./p
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MP9151 4A Step-Down Converter QFN2
MPS MP9151 is a step-down converter that delivers 4 A, supplied in a QFN2 package.
Key Specifications
| Part Number | MP9151 |
| Output Current | 4 A |
| Topology | Step-Down Converter |
| Package | QFN2 |
| Ordering Codes | MP9151 |
Features
Applications
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 QFN2 — check the land pattern in the datasheet before layout.
Common Questions
Which package is the MP9151 available in?
QFN2.
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