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NCP5392P
2/3/4 Phase Controller for CPU Applications
NCP5392P
2/3/4- -Phase Controller for
CPU Applications
The NCP5392P providesuptoa four- -phase buck solution which
combines differential voltage sensing, differential phase current
sensing, and adaptive voltage positioningto provide accurately
regulated power for both Intel and AMD processors. Dual- -edge
pulse- -width modulation (PWM) combined with inductor current
sensing reduces system costby providing the fastest initial response dynamic load events. Dual- -edge multiphase modulation reduces
the total bulk and ceramic output capacitance requiredto meet
transient regulation specifications. high performance operational error amplifieris providedto
simplify compensationof the system. Dynamic Reference Injection
further simplifies loop compensation by eliminating the needto
compromise between closed- -loop transient response and Dynamic
VID performance. addition, NCP5392P provides an automatic power saving
feature (Auto- -PSI). When Auto- -PSI functionis enabled, NCP5392P
will automatically detect the VID transitions and direct the Vcore
regulatorinor outof low power states.Asa result,the best efficiency
schemeis always chosen.
Features Meets Intels VR11.1 Specifications Meets AMD6 Bit Code Specifications Dual- -edge PWMfor Fastest Initial Responseto Transient Loading High Performance Operational Error Amplifier Internal Soft Start Dynamic Reference Injection DAC Range from 0.375Vto 1.6V DAC Feed Forward Function r0.5% DAC Voltage Accuracy from 1.0Vto 1.6V True Differential Remote Voltage Sensing Amplifier Phase--to- -Phase Current Balancing Lossless Differential Inductor Current Sensing Differential Current Sense Amplifiersfor each Phase Adaptive Voltage Positioning(A VP) Oscillator Frequency Rangeof 100 kHz1 MHz Latched OverV oltage Protection (OVP) Guaranteed Startup into Pre- -Charged Loads Threshold Sensitive Enable Pinfor VTT Sensing Power Good Output with Internal Delays Thermally Compensated Current Monitoring Automatic Power Saving (AUTO PSI Mode) Compatibleto PSI Power Saving Requirements Thisisa Pb- -Free Device
Applications PIN QFN, 6x6 SUFFIX
CASE 488AR
Device Package Shipping
ORDERING INFORMATION
NCP5392PMNR2G* QFN--40
(Pb- -Free)
2500/Tape& Reel
MARKING
DIAGRAM
NCP5392P= Specific Device
Code = Assembly Location = WaferLot = Year = Work Week = Pb- -Free Package
NCP5392P
AWLYYWWG
http://
For informationon tape and reel specifications,
including part orientation and tape sizes, please
refertoour Tape and Reel Packaging Specification
Brochure, BRD8011/D.
*Pin41isthethermalpadonthebottomofthedevice.
*Temperature Range: 0qCto 85qC1
