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MP2348 4A, 650kHz Synchronous Step-Down Converter SOT583
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pMPS MP2348 — synchronous step-down converter, 4A output, 650 kHz, SOT583./p
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MP2348 4A, 650kHz Synchronous Step-Down Converter SOT583
MPS MP2348 is a synchronous step-down converter that delivers 4 A, switches at 650 kHz, supplied in a SOT583 package.
Key Specifications
| Part Number | MP2348 |
| Output Current | 4 A |
| Switching Frequency | 650 kHz |
| Topology | Synchronous Step-Down Converter |
| Package | SOT583 |
| Ordering Codes | MP2348 |
Features
- Wide 4.2V-to-24V Operating Input Range
- 75mΩ/40mΩ Low RDS(ON) Internal Power MOSFETs
- 200µA Low IQ
- High-Efficiency Synchronous Mode Operation
- Selectable Forced PWM, Auto-PFM/PWM and Ultrasonic Mode
- Fast Load Transient Response
- 650kHz Switching Frequency
- Configurable Soft-Start Time
- Over-Current Protection and Hiccup Mode
- Pre-Biased Start-Up
Applications
- Game Consoles
- Digital Set-Top Boxes
- 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 switching frequency does the MP2348 run at?
650 kHz.
Which package is the MP2348 available in?
SOT583.
Shenzhen Gaorunxin Technology Co., Ltd
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