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Partname: | NCP5393 |
Description: | 2/3/4-Phase Controller for CPU Applications |
Manufacturer: | ON Semiconductor |
Datasheet: | PDF (490K). Click here to download *) |
The NCP5393 controls up to four VDD phases and one VDDNB phase to provide a buck regulator solution for current and next-generation AMD processors. The NCP5393 incorporates differential voltage sensing, differential phase current sensing, optional load-line voltage positioning, and programmable VDD and VDDNB offsets to provide accurately regulated power parallel- and serial-VID AMD processors. Dual-edge multiphase modulation provides the fastest initial response to dynamic load events. This reduces system cost by requiring less bulk and ceramic output capacitance to meet transient regulation specifications. High performance operational error amplifiers are provided to simplify compensation of the VDD and VDDNB regulators. Dynamic Reference Injection further simplifies loop compensation by eliminating the need to compromise between response to load transients and response to VID code changes. Features |
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