2/3/4 Phase Buck Controller For VR10 And VR11 Pentium IV Processor Applications

The NCP5381 is a two, three, or fourphase buck controller which combines differential voltage and current sensing, and adaptive voltage positioning to power Intels most demanding Pentium IV Processors and low voltage, high current power supplies. Dualedge pulsewidth modulation (PWM) combined with inductor current sensing reduces system cost by providing the fastest initial response to transient loads thereby requiring less bulk and ceramic output capacitors to satisfy transient loadline requirements. A high performance operational error Amplifier is provided, which allows easy compensation of the system. The proprietary method of Dynamic Reference Injection (Patent Pending) makes the error Amplifier compensation virtually independent of the system response to VID changes, eliminating the need for tradeoffs between load transients and Dynamic VID performance. By ON Semiconductor
NCP5381 's PackagesNCP5381 's pdf datasheet

NCP5381 Pinout, Pinouts
NCP5381 pinout,Pin out
This is one package pinout of NCP5381,If you need more pinouts please download NCP5381's pdf datasheet.

NCP5381 Application circuits
NCP5381 circuits
This is one application circuit of NCP5381,If you need more circuits,please download NCP5381's pdf datasheet.

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