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MPQ8632D-12 2.5-18V, 12A, 200kHz Synchronous Step-down Converter QFN3
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pMPS MPQ8632D-12 — synchronous step-down converter, 2.5-18V input, 12A output, 200 kHz, QFN3./p
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MPQ8632D-12 2.5-18V, 12A, 200kHz Synchronous Step-down Converter QFN3
MPS MPQ8632D-12 is a synchronous step-down converter that accepts 2.5 V to 18 V input, delivers 12 A, switches at 200 kHz, supplied in a QFN3 package.
Key Specifications
| Part Number | MPQ8632D-12 |
| Input Voltage | 2.5 V to 18 V |
| Output Current | 12 A |
| Switching Frequency | 200 kHz |
| Topology | Synchronous Step-down Converter |
| Package | QFN3 |
| Ordering Codes | MPQ8632D-12 |
Features
- 2.5V to 18V Operating Input Range with External 5V Bias
- 4.5V to 18V Operating Input Range with Internal Bias
- 6A/12A Output Current
- Low RDS(ON) Internal Power MOSFETs
- Proprietary Switching Loss Reduction Technique
- Adaptive COT for Ultrafast Transient Response
- 0.5% Reference Voltage Over 0C to 70C Junction Temperature Range
- Programmable Soft Start and Shut-down Time
- Pre-Bias Start up
- Programmable Switching Frequency from 200kHz to 1MHz
Applications
- Telecom and Networking Systems
- Base Stations
- Personal Video Recorders
- Flat Panel Television and Monitors
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.
- Package QFN3 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MPQ8632D-12?
2.5–18 V input and 12 A output.
What switching frequency does the MPQ8632D-12 run at?
200 kHz, programmable.
Which package is the MPQ8632D-12 available in?
QFN3.
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