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MP8774 3-18V, 12A, 700kHz Synchronous Step-down Converter QFN-16
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pMPS MP8774 — synchronous step-down converter, 3-18V input, 12A output, 700 kHz, QFN-16./p
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MP8774 3-18V, 12A, 700kHz Synchronous Step-down Converter QFN-16
MPS MP8774 is a synchronous step-down converter that accepts 3 V to 18 V input, delivers 12 A, switches at 700 kHz, supplied in a QFN-16 package.
Key Specifications
| Part Number | MP8774 |
| Input Voltage | 3 V to 18 V |
| Output Current | 12 A |
| Switching Frequency | 700 kHz |
| Quiescent Current | 100 uA |
| Topology | Synchronous Step-down Converter |
| Package | QFN-16 |
| Ordering Codes | MP8774 |
Features
- Output Adjustable from 0.6V
- Wide 3V to 18V Operating Input Range
- 12A Output Current
- 16mΩ/5.5mΩ Low RDS(ON) Internal Power MOSFETs
- 100μA Quiescent Current
- High-Efficiency Synchronous Mode Operation
- Pre-Biased Start-Up
- Fixed 700kHz Switching Frequency
- External Programmable Soft Start-Up Time
- Enable (EN) and Power Good (PG) for Power Sequencing
Applications
- Security Cameras
- Portable Devices, XDSL Devices
- Digital Set-Top Boxes
- 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 QFN-16 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP8774?
3–18 V input and 12 A output.
What switching frequency does the MP8774 run at?
700 kHz, programmable.
Which package is the MP8774 available in?
QFN-16.
Shenzhen Gaorunxin Technology Co., Ltd
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