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MPQ4409-AEC1 4-24V, 2.2MHz Synchronous Step-Down Converter QFN-13
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pMPS MPQ4409-AEC1 — synchronous step-down converter, 4-24V input, 2.2 MHz, QFN-13./p
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MPQ4409-AEC1 4-24V, 2.2MHz Synchronous Step-Down Converter QFN-13
MPS MPQ4409-AEC1 is a synchronous step-down converter that accepts 4 V to 24 V input, switches at 2.2 MHz, supplied in a QFN-13 package.
Key Specifications
| Part Number | MPQ4409-AEC1 |
| Input Voltage | 4 V to 24 V |
| Switching Frequency | 2.2 MHz |
| Topology | Synchronous Step-Down Converter |
| Package | QFN-13 |
| Ordering Codes | MPQ4409-AEC1 |
Features
- Wide 4V to 24V Operating Input Range
- 900mA Continuous Load Current
- 90mΩ/50mΩ Low RDS(ON) Internal Power MOSFETs
- High-Efficiency Synchronous Mode Operation
- Default 2.2MHz Switching Frequency
- 450kHz to 2.2MHz Frequency Sync
- Forced Continuous Conduction Mode (CCM)
- Internal Soft Start (SS)
- Power Good (PG) Indicator
- Over-Current Protection (OCP) with Valley- Current Detection and Hiccup Mode
Applications
- Automotive Infotainment
- Automotive Clusters
- Automotive Telematics
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-13 — check the land pattern in the datasheet before layout.
Common Questions
What switching frequency does the MPQ4409-AEC1 run at?
2.2 MHz.
Which package is the MPQ4409-AEC1 available in?
QFN-13.
Shenzhen Gaorunxin Technology Co., Ltd
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