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MP2345 7.5-26V, 2.5A, 600kHz Step-Down Converter TSOT23
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pMPS MP2345 — step-down converter, 7.5-26V input, 2.5A output, 600 kHz, TSOT23./p
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MP2345 7.5-26V, 2.5A, 600kHz Step-Down Converter TSOT23
MPS MP2345 is a step-down converter that accepts 7.5 V to 26 V input, delivers 2.5 A, switches at 600 kHz, supplied in a TSOT23 package.
Key Specifications
| Part Number | MP2345 |
| Input Voltage | 7.5 V to 26 V |
| Output Current | 2.5 A |
| Switching Frequency | 600 kHz |
| Topology | Step-Down Converter |
| Package | TSOT23 |
| Ordering Codes | MP2345 |
Features
- Wide 7.5V to 26V Operating Input Range
- 2.5A Load Current
- 90mΩ/40mΩ Low RDS(ON) Internal Power MOSFETs
- Internal Power-Save Mode for Light Load
- 600kHz Fixed Switching Frequency at CCM
- Optimized for Low EMI
- Internal Soft Start
- Over-Current Protection (OCP) and Hiccup Mode
- Thermal Shutdown
- Output Adjustable from 3.3V
Typical Application Circuit
Applications
- RF-Enabled Devices
- Stand-By Power Supply
- White Goods
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 MP2345?
7.5–26 V input and 2.5 A output.
What switching frequency does the MP2345 run at?
600 kHz.
Which package is the MP2345 available in?
TSOT23.
Shenzhen Gaorunxin Technology Co., Ltd
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