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MP6972 CCM/DCM Flyback Ideal Diode SOIC
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pMPS MP6972 — CCM/DCM Flyback Ideal Diode, SOIC./p
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MP6972 CCM/DCM Flyback Ideal Diode SOIC
The MPS MP6972 is a CCM/DCM Flyback Ideal Diode. It is supplied in a SOIC package.
The MP6972 is a fast turn-off, intelligent rectifier for flyback converters that integrates a 100V/17mΩ MOSFET.
Key Specifications
| Part Number | MP6972 |
| Function | CCM/DCM Flyback Ideal Diode |
| Quiescent Current | 110 µA |
| Package | SOIC |
| Ordering Codes | MP6972 |
Features
- Integrated 100V/17mΩ MOSFET
- Optimized Efficiency for Low-Side Rectification
- Ringing Detection Prevents False Turn-On during DCM Operations
- Compatible with Energy Star
- 110µA Quiescent Current
- Supports DCM, CCM, and Quasi-Resonant Operations
- Wide Output Range Down to 0V
- Available in an SOIC-8 Package
Typical Application Circuit
Applications
- Laptop Adapters
- QC and USB PD Chargers
Design Notes
- The PFC inductor must support the maximum duty cycle at the lowest line voltage, which is where saturation risk peaks.
- High-voltage startup and X-capacitor discharge paths dominate no-load standby loss; verify them against the efficiency target.
- Leakage inductance and the RCD clamp set the turn-off loss — snubber values are a thermal trade-off, not a fixed recipe.
- Synchronous rectification timing must track the primary switching; a mistimed SR FET conducts through its body diode and fails hot.
Common Questions
Which package and ordering codes apply to the MP6972?
SOIC; order codes include MP6972.
What are the defining features of the MP6972?
Integrated 100V/17mΩ MOSFET Optimized Efficiency for Low-Side Rectification
Shenzhen Gaorunxin Technology Co., Ltd
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