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MPQ4423C-AEC1 4-36V, 6A, 2.2MHz Synchronous Buck Converter QFN-16
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pMPS MPQ4423C-AEC1 — synchronous buck converter, 4-36V input, 6A output, 2.2 MHz, QFN-16./p
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MPQ4423C-AEC1 4-36V, 6A, 2.2MHz Synchronous Buck Converter QFN-16
MPS MPQ4423C-AEC1 is a synchronous buck converter that accepts 4 V to 36 V input, delivers 6 A, switches at 2.2 MHz, supplied in a QFN-16 package.
Key Specifications
| Part Number | MPQ4423C-AEC1 |
| Input Voltage | 4 V to 36 V |
| Output Current | 6 A |
| Switching Frequency | 2.2 MHz |
| Topology | Synchronous Buck Converter |
| Package | QFN-16 |
| Ordering Codes | MPQ4423C-AEC1 |
Features
- Wide 4V to 36V Operating Input Voltage (VIN) Range
- 50mΩ/30mΩ Low RDS(ON) Internal Power MOSFETs
- Up to 6A Peak Output Current (IOUT)
- Up to 2.2MHz Switching Frequency (fSW)
- 420kHz/2.2MHz Selectable fSW with Frequency Spread Spectrum (FSS)
- OUT to VCC Switch over LDO for High Efficiency
- 200kHz to 2.2MHz External SYNC Clock
- Adjustable Forced Pulse-Width Modulation (PWM) Mode or Auto-PWM/PFM Mode
- Passive Output Discharge
- Adjustable Output from 0.8V
Applications
- Automotive Infotainment Systems
- Wireless 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.
- AEC-Q100 qualification suits this part to automotive rails.
- Package QFN-16 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MPQ4423C-AEC1?
4–36 V input and 6 A output.
What switching frequency does the MPQ4423C-AEC1 run at?
2.2 MHz.
Which package is the MPQ4423C-AEC1 available in?
QFN-16.
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