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MPQ8873-AEC1 2.2-36V, 3A, 200kHz Synchronous Buck-Boost Converter QFN-34
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pMPS MPQ8873-AEC1 — synchronous buck-boost converter, 2.2-36V input, 3A output, 200 kHz, QFN-34./p
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MPQ8873-AEC1 2.2-36V, 3A, 200kHz Synchronous Buck-Boost Converter QFN-34
MPS MPQ8873-AEC1 is a synchronous buck-boost converter that accepts 2.2 V to 36 V input, delivers 3 A, switches at 200 kHz, supplied in a QFN-34 package.
Key Specifications
| Part Number | MPQ8873-AEC1 |
| Input Voltage | 2.2 V to 36 V |
| Output Current | 3 A |
| Switching Frequency | 200 kHz |
| Quiescent Current | 180 uA |
| Topology | Synchronous Buck-Boost Converter |
| Package | QFN-34 |
| Ordering Codes | MPQ8873-AEC1 |
Features
- 2.2V to 36V Wide Input Voltage Range
- Up to 3A Continuous Output Current
- <25μA Shutdown Current
- 180μA Quiescent Current when VIN = 12V
- Proprietary Constant-On-Time (COT) Control for Seamless Transitions
- Internal Soft Start
- Smart Power Good Output
- One-Time Programmable (OTP) Memory for Default Parameter Settings
- Available in QFN-34 (4mmx5mm) Package
- Available with Wettable Flanks
Typical Application Circuit
Applications
- Sensor Fusion Systems
- Camera Monitor System
- Infotainment Systems
Design Notes
- Buck-boost operation keeps the output regulated either side of the input, which costs efficiency compared with a pure buck at the same rating.
- 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-34 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MPQ8873-AEC1?
2.2–36 V input and 3 A output.
What switching frequency does the MPQ8873-AEC1 run at?
200 kHz, programmable.
Which package is the MPQ8873-AEC1 available in?
QFN-34.
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