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MP2338 4.5-28V, 3A, 450kHz Synchronous Step-Down Converter SOT583
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pMPS MP2338 — synchronous step-down converter, 4.5-28V input, 3A output, 450 kHz, SOT583./p
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MP2338 4.5-28V, 3A, 450kHz Synchronous Step-Down Converter SOT583
MPS MP2338 is a synchronous step-down converter that accepts 4.5 V to 28 V input, delivers 3 A, switches at 450 kHz, supplied in a SOT583 package.
Key Specifications
| Part Number | MP2338 |
| Input Voltage | 4.5 V to 28 V |
| Output Current | 3 A |
| Switching Frequency | 450 kHz |
| Quiescent Current | 160 uA |
| Topology | Synchronous Step-Down Converter |
| Package | SOT583 |
| Ordering Codes | MP2338 |
Features
- Wide 4.5V to 28V Operating Input Range
- Wide 0.5V to 16V VOUT
- ±1.5% Internal Reference Accuracy Over- Temperature
- 115mΩ/55mΩ Low RDS(ON) Internal Power MOSFETs
- 160µA Quiescent Current
- >90% Efficiency for 24V to 5V/3A Condition
- Power Save Mode at Light Load
- Fast Load Transient Response
- 450kHz Switching Frequency
- tON Extension to Improve Dropout
Applications
- Game Consoles
- Multi-Function Printers
- Power Meters
- Flat Panel Televisions 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 SOT583 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP2338?
4.5–28 V input and 3 A output.
What switching frequency does the MP2338 run at?
450 kHz.
Which package is the MP2338 available in?
SOT583.
Shenzhen Gaorunxin Technology Co., Ltd
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