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MP2224 4.5-18V, 4A, 500kHz Synchronous Step-Down Converter TSOT23
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pMPS MP2224 — synchronous step-down converter, 4.5-18V input, 4A output, 500 kHz, TSOT23./p
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MP2224 4.5-18V, 4A, 500kHz Synchronous Step-Down Converter TSOT23
MPS MP2224 is a synchronous step-down converter that accepts 4.5 V to 18 V input, delivers 4 A, switches at 500 kHz, supplied in a TSOT23 package.
Key Specifications
| Part Number | MP2224 |
| Input Voltage | 4.5 V to 18 V |
| Output Current | 4 A |
| Switching Frequency | 500 kHz |
| Topology | Synchronous Step-Down Converter |
| Package | TSOT23 |
| Ordering Codes | MP2224 |
Features
- Wide 4.5V to 18V Operating Input Range
- Adjustable Output Voltage as low as 0.6V
- Low 70mΩ/25mΩ RDS(ON) of Internal Power MOSFETs
- High Efficiency up to 97%
- Fixed 500kHz Switching Frequency
- Synchronizes from a 200kHz to 2MHz External Clock
- 2.4ms Internal Soft-Start Time
- 1% Reference Accuracy at Room Temperature
- Internal Power-Save Mode
- OCP with Hiccup Mode
Applications
- Flat-Panel Television and Monitors
- 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 MP2224?
4.5–18 V input and 4 A output.
What switching frequency does the MP2224 run at?
500 kHz.
Which package is the MP2224 available in?
TSOT23.
Shenzhen Gaorunxin Technology Co., Ltd
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