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NCP5381 2/3/4 Phase Buck Controller

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 controll.
Pin No. 9 10 VID0. VID7 VR10/VR11 11 SS 12 ROSC 13 ILIM 14 AGND 15 VS+ 16 VS-17 DIFFOUT 18 COMP 19 VFB 20 VDRP.

NCP5381 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

NCP5381 Applications

* The NCP5381 is a two- , three- , or four- phase buck controller which combines 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) comb

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