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MPQ2123-AEC1 2.7-6V, 2A, 300kHz Synchronous Buck Converter QFN-11
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pMPS MPQ2123-AEC1 — synchronous buck converter, 2.7-6V input, 2A output, 300 kHz, QFN-11./p
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MPQ2123-AEC1 2.7-6V, 2A, 300kHz Synchronous Buck Converter QFN-11
MPS MPQ2123-AEC1 is a synchronous buck converter that accepts 2.7 V to 6 V input, delivers 2 A, switches at 300 kHz, supplied in a QFN-11 package.
Key Specifications
| Part Number | MPQ2123-AEC1 |
| Input Voltage | 2.7 V to 6 V |
| Output Current | 2 A |
| Switching Frequency | 300 kHz |
| Quiescent Current | 45 uA |
| Topology | Synchronous Buck Converter |
| Package | QFN-11 |
| Ordering Codes | MPQ2123-AEC1 |
Features
- 2.7V to 6V Operating Input Range
- Adjustable Output from 0.606V
- Up to 2A Continuous Output Current
- High-Efficiency Synchronous Mode Control
- 40mΩ and 30mΩ Internal Power MOSFETs
- Up to 2.2MHz Configurable Frequency
- Up to 2.2MHz External Sync Clock
- 45μA Quiescent Current (IQ)
- Low Shutdown Current (ISD)
- 100% Duty Cycle Operation
Typical Application Circuit
Applications
- Automotive Infotainment Systems
- Automotive Clusters
- Automotive Telematics
- Industrial Supplies
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-11 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MPQ2123-AEC1?
2.7–6 V input and 2 A output.
What switching frequency does the MPQ2123-AEC1 run at?
300 kHz.
Which package is the MPQ2123-AEC1 available in?
QFN-11.
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