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MP8772C 3-17V, 12A, 700kHz Synchronous Step-Down Converter QFN-16
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pMPS MP8772C — synchronous step-down converter, 3-17V input, 12A output, 700 kHz, QFN-16./p
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MP8772C 3-17V, 12A, 700kHz Synchronous Step-Down Converter QFN-16
MPS MP8772C is a synchronous step-down converter that accepts 3 V to 17 V input, delivers 12 A, switches at 700 kHz, supplied in a QFN-16 package.
Key Specifications
| Part Number | MP8772C |
| Input Voltage | 3 V to 17 V |
| Output Current | 12 A |
| Switching Frequency | 700 kHz |
| Quiescent Current | 100 uA |
| Topology | Synchronous Step-Down Converter |
| Package | QFN-16 |
| Ordering Codes | MP8772C, MP8772CGQ-Z |
Features
- Forced Continuous Conduction Mode (FCCM)
- Fixed 700kHz Switching Frequency (fSW)
- Adjustable Output Voltage (VOUT) from 0.6V
- Wide 3V to 17V Operating Input Voltage (VIN) Range
- 12A Output Current (IOUT)
- 16mΩ/5.5mΩ Low On Resistance (RDS(ON)) Internal Power MOSFETs
- 100μA Quiescent Current (IQ)
- High-Efficiency Synchronous Mode
- Pre-Biased Start-Up
- Externally Configurable Soft-Start Time (tSS)
Applications
- Security Cameras
- Portable Devices and xDSL Devices
- Digital Set-Top Boxes (STBs)
- 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 MP8772C?
3–17 V input and 12 A output.
What switching frequency does the MP8772C run at?
700 kHz.
Which package is the MP8772C available in?
QFN-16, with ordering codes MP8772CGQ-Z.
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