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MP24943 4.5-55V, 3A, 100kHz Step-Down Converter SOIC8
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pMPS MP24943 — step-down converter, 4.5-55V input, 3A output, 100 kHz, SOIC8./p
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MP24943 4.5-55V, 3A, 100kHz Step-Down Converter SOIC8
MPS MP24943 is a step-down converter that accepts 4.5 V to 55 V input, delivers 3 A, switches at 100 kHz, supplied in a SOIC8 package.
Key Specifications
| Part Number | MP24943 |
| Input Voltage | 4.5 V to 55 V |
| Output Current | 3 A |
| Switching Frequency | 100 kHz |
| Topology | Step-Down Converter |
| Package | SOIC8 |
| Ordering Codes | MP24943 |
Features
- Wide 4.5V to 55V Operating Input Range
- Programmable Output Over-Voltage Protection
- Output Adjustable from 0.8V to 45V
- 0.15Ω Internal Power MOSFET Switch
- Stable with Low ESR Output Ceramic Capacitors
- Fixed 100kHz Frequency
- Low EMI Signature
- Thermal Shutdown
- Cycle-by-Cycle Over-Current Protection
- Available in SOIC8 and SOIC8E Packages
Applications
- Automotive GPS
- Automotive Entertainment
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 SOIC8 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP24943?
4.5–55 V input and 3 A output.
What switching frequency does the MP24943 run at?
100 kHz, programmable.
Which package is the MP24943 available in?
SOIC8.
Shenzhen Gaorunxin Technology Co., Ltd
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