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Controllers | NCP81174N
概览
The NCP81174N is a general−purpose up to four−phase synchronous buck controller. It combines differential voltage sensing, differential phase current sensing, and PWM VID interface to provide accurate regulated power for the computer or graphic controllers. It can receive power saving command (PSI) from processors and operates in single−phase diode emulation mode to obtain high efficiency in light load. Dual−edge multiphase PWM modulation ensures a fast transient response with minimum possible capacitors.
- GPU and CPU Power
- Graphics Card Applications
- Notebook
- Graphic Cards
- AIO Products
- Output Voltage up to 2.0V with PWM VID Interface
- Support 1.8V VID interface
- Remote Differential Output Voltage Sense
- Thermally Compensated Current Monitoring
- Differential Current Sense For Each Phase
- Power Saving Interface (PSI)
- 200kHz ~ 1000kHz Switching Frequency
- PWMVID frequency up to 5MHz
- Over Current Protection
- Fast Transient Response
- Latched OVP and UVP Protections
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