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MP2499M 5-36V, 3A, 270kHz Step-Down Converter QFN-13
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pMPS MP2499M — step-down converter, 5-36V input, 3A output, 270 kHz, QFN-13./p
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MP2499M 5-36V, 3A, 270kHz Step-Down Converter QFN-13
MPS MP2499M is a step-down converter that accepts 5 V to 36 V input, delivers 3 A, switches at 270 kHz, supplied in a QFN-13 package.
Key Specifications
| Part Number | MP2499M |
| Input Voltage | 5 V to 36 V |
| Output Current | 3 A |
| Switching Frequency | 270 kHz |
| Topology | Step-Down Converter |
| Package | QFN-13 |
| Ordering Codes | MP2499M |
Features
- Wide 5V to 36V Continuous Operating Input Range
- 85mΩ/55mΩ Low RDS(ON) Internal Power MOSFETs
- High-Efficiency Synchronous Mode Operation
- Default 270kHz Switching Frequency
- Synchronizes to a 200kHz to 2.4MHz External Clock
- Internal Soft Start
- Output Line Drop Compensation
- Accurate Continuous Output Current Limit with External Resistor
- Over-Current Protection (OCP) and Hiccup
- Thermal Shutdown
Applications
- USB Dedicated Charging Ports (DCP)
- Automotive Cigarette Lighter Adapters
- USB Chargers
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 QFN-13 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP2499M?
5–36 V input and 3 A output.
What switching frequency does the MP2499M run at?
270 kHz.
Which package is the MP2499M available in?
QFN-13.
Shenzhen Gaorunxin Technology Co., Ltd
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