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MPQ4328-AEC1 3.3-36V, 4A, 200kHz Synchronous Step-Down Converter QFN-14
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pMPS MPQ4328-AEC1 — synchronous step-down converter, 3.3-36V input, 4A output, 200 kHz, QFN-14./p
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MPQ4328-AEC1 3.3-36V, 4A, 200kHz Synchronous Step-Down Converter QFN-14
MPS MPQ4328-AEC1 is a synchronous step-down converter that accepts 3.3 V to 36 V input, delivers 4 A, switches at 200 kHz, supplied in a QFN-14 package.
Key Specifications
| Part Number | MPQ4328-AEC1 |
| Input Voltage | 3.3 V to 36 V |
| Output Current | 4 A |
| Switching Frequency | 200 kHz |
| Quiescent Current | 1 uA |
| Topology | Synchronous Step-Down Converter |
| Package | QFN-14 |
| Ordering Codes | MPQ4328-AEC1 |
Features
- High Performance for Improved Thermals o Internal 45mΩ High-Side and 25mΩ Low-Side MOSFETs
Applications
- Automotive Infotainment Systems
- Automotive Clusters
- Advanced Driver-Assistance Systems (ADAS)
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.
- AEC-Q100 qualification suits this part to automotive rails.
- Package QFN-14 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MPQ4328-AEC1?
3.3–36 V input and 4 A output.
What switching frequency does the MPQ4328-AEC1 run at?
200 kHz.
Which package is the MPQ4328-AEC1 available in?
QFN-14.
Shenzhen Gaorunxin Technology Co., Ltd
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