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MP1471 3A, 500kHz Step-Down Converter TSOT23
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pMPS MP1471 — step-down converter, 3A output, 500 kHz, TSOT23./p
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MP1471 3A, 500kHz Step-Down Converter TSOT23
MPS MP1471 is a step-down converter that delivers 3 A, switches at 500 kHz, supplied in a TSOT23 package.
Key Specifications
| Part Number | MP1471 |
| Output Current | 3 A |
| Switching Frequency | 500 kHz |
| Topology | Step-Down Converter |
| Package | TSOT23 |
| Ordering Codes | MP1471 |
Features
- Wide 4.7V-to-16V Operating Input Range
- 150mΩ/70mΩ Low-RDS(ON) Internal Power MOSFETs
- Proprietary Switching-Loss–Reduction Technology
- High-Efficiency Synchronous-Mode Operation
- Fixed 500kHz Switching Frequency
- Internal AAM Power-Save Mode for High Efficiency at Light Load
- Internal Soft-Start
- Over-Current Protection and Hiccup
- Thermal Shutdown
- Output Adjustable from 0.8V
Applications
- Game Consoles
- Digital Set-Top Boxes
- Flat-Panel Television and Monitors
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 TSOT23 — check the land pattern in the datasheet before layout.
Common Questions
What switching frequency does the MP1471 run at?
500 kHz.
Which package is the MP1471 available in?
TSOT23.
Shenzhen Gaorunxin Technology Co., Ltd
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