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MPQ8655 3.1-16V, 30A Synchronous Step-Down Converter QFN-25
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pMPS MPQ8655 — synchronous step-down converter, 3.1-16V input, 30A output, QFN-25./p
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MPQ8655 3.1-16V, 30A Synchronous Step-Down Converter QFN-25
MPS MPQ8655 is a synchronous step-down converter that accepts 3.1 V to 16 V input, delivers 30 A, supplied in a QFN-25 package.
Key Specifications
| Part Number | MPQ8655 |
| Input Voltage | 3.1 V to 16 V |
| Output Current | 30 A |
| Topology | Synchronous Step-Down Converter |
| Package | QFN-25 |
| Ordering Codes | MPQ8655 |
Features
- PMBus 1.3 Compliant
- Scalable Multi-Phase Operation
- 3.1V to 16V Input Voltage (VIN) with External 3.3V VCC Bias
- 4V to 16V VIN with Internal Bias
- 30A Continuous Output Current (IOUT) per Phase
- Low On Resistance (RDS(ON)) Integrated Power MOSFETs
- Lossless and Accurate On-Die Current Sensing
- Adaptive Multi-Phase Constant-On-Time (MCOT) for Ultra-Fast Transient Response
- Stable with Zero-ESR Output Capacitors
- 0.5% Reference Voltage (VREF) Across 0°C to 70°C Junction Temperature (TJ) Range
Applications
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 QFN-25 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MPQ8655?
3.1–16 V input and 30 A output.
Which package is the MPQ8655 available in?
QFN-25.
Shenzhen Gaorunxin Technology Co., Ltd
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