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MP2318 4.5-24V, 2A, 2MHz Synchronous Step-Down Converter TSOT23
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pMPS MP2318 — synchronous step-down converter, 4.5-24V input, 2A output, 2 MHz, TSOT23./p
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MP2318 4.5-24V, 2A, 2MHz Synchronous Step-Down Converter TSOT23
MPS MP2318 is a synchronous step-down converter that accepts 4.5 V to 24 V input, delivers 2 A, switches at 2 MHz, supplied in a TSOT23 package.
Key Specifications
| Part Number | MP2318 |
| Input Voltage | 4.5 V to 24 V |
| Output Current | 2 A |
| Switching Frequency | 2 MHz |
| Topology | Synchronous Step-Down Converter |
| Package | TSOT23 |
| Ordering Codes | MP2318 |
Features
- Wide 4.5V to 24V Operating Input Range
- 2A Load Current
- 90mΩ/40mΩ Low Rds(on) Internal Power MOSFETs
- Low Quiescent Current
- High Efficiency Synchronous Mode Operation
- Fixed 2MHz Switching Frequency
- AAM Power Save Mode
- Internal Soft Start
- OCP Protection and Hiccup
- Thermal Shutdown
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 MP2318?
4.5–24 V input and 2 A output.
What switching frequency does the MP2318 run at?
2 MHz.
Which package is the MP2318 available in?
TSOT23, with ordering codes MP2318GJ-Z.
Shenzhen Gaorunxin Technology Co., Ltd
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