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

The NCP5389 is a two- or three-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) 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 load-line requirements. A high performance operational error Amplifier is provided, which allows easy compensation of the system. The proprietary method of Dynamic Reference Injection (Patented) 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
NCP5389 's PackagesNCP5389 's pdf datasheet

NCP5389 Pinout, Pinouts
NCP5389 pinout,Pin out
This is one package pinout of NCP5389,If you need more pinouts please download NCP5389's pdf datasheet.

NCP5389 Application circuits
NCP5389 circuits
This is one application circuit of NCP5389,If you need more circuits,please download NCP5389's pdf datasheet.

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