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MPQ2315 4.5-24V, 3A, 500kHz Step-Down Converter TSOT23
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pMPS MPQ2315 — step-down converter, 4.5-24V input, 3A output, 500 kHz, TSOT23./p
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MPQ2315 4.5-24V, 3A, 500kHz Step-Down Converter TSOT23
MPS MPQ2315 is a step-down converter that accepts 4.5 V to 24 V input, delivers 3 A, switches at 500 kHz, supplied in a TSOT23 package.
Key Specifications
| Part Number | MPQ2315 |
| Input Voltage | 4.5 V to 24 V |
| Output Current | 3 A |
| Switching Frequency | 500 kHz |
| Topology | Step-Down Converter |
| Package | TSOT23 |
| Ordering Codes | MPQ2315 |
Features
- Wide 4.5V to 24V Operating Input Range
- 3A Load Current
- 120mΩ/50mΩ Low Rds(on) Internal Power MOSFETs
- Low Quiescent Current
- High Efficiency Synchronous Mode Operation
- Fixed 500kHz Switching Frequency
- Frequency Sync from 200kHz to 2MHz External Clock
- AAM Power Save Mode
- Internal Soft Start
- OCP Protection and Hiccup
Applications
- Notebook Systems and I/O Power
- Digital Set Top Boxes
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 is the input and output rating of the MPQ2315?
4.5–24 V input and 3 A output.
What switching frequency does the MPQ2315 run at?
500 kHz.
Which package is the MPQ2315 available in?
TSOT23.
Shenzhen Gaorunxin Technology Co., Ltd
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