NCP5381 Description
NCP5381 2/3/4 Phase Buck Controller for VR10 and VR11 Pentium IV Processor Applications The NCP5381 is a two- , three- , or four- phase buck controller which bines differential voltage and current sensing, and adaptive voltage positioning to power Intel’s most demanding Pentium IV Processors and low voltage, high current power supplies. Dual- edge pulse- width modulation (PWM) bined with inductor current sensing...
NCP5381 Key Features
- Meets Intel’s VR 10.0, 10.1, 10.2, and 11.0 Specifications
- Dual- Edge PWM for Fastest Initial Response to Transient Loading
- High Performance Operational Error Amplifier
- Supports both VR11 and Legacy VR10 Soft- Start Modes
- Dynamic Reference Injection
- 8- Bit DAC per Intel’s VR11 Specifications
- DAC Range from 0.5 V to 1.6 V
- 0.5% System Voltage Accuracy
- Remote Temperature Sensing per VR11
- 2, 3, or 4- Phase Operation