NCP5392T ,2-, 3-, 4-Phase Controller for CPU ApplicationsFeaturesDevice Package Shippingx MeetsIntelsVR11.1SpecificationsNCP5392TMNR2G* QFN--40 2500/Tape& ..
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NCP5392T
2-, 3-, 4-Phase Controller for CPU Applications
NCP5392T
2/3/4- -Phase Controller with
Light Load Power Saving
Enhancement for CPU
Applications
The NCP5392T providesuptoa four- -phase buck solution which
combines differential voltage sensing, differential phase current
sensing, and adaptive voltage positioningto provide accurately
regulated power for Intel processors.It also receives power saving
command (PSI) from CPU, and operatesina single phase emulation
diode modeto obtaina high efficiencyat light load. Dual- -edge
pulse- -width modulation (PWM) combined with precise inductor
current sensing provides the fastest initial responseto dynamic load
events both in power saving and normal modes. Dual- -edge
multiphase modulation reduces the total bulk and ceramic output
capacitance required therefore reducing the system costto 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. An enhancementof normal mode and PSI mode
operation has been achievedin NCP5392T both under heavy load
and light load conditionor the load changing.
Features Meets Intels VR11.1 Specifications Enhanced Power Saving Operation (PSI) 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 Accurate Current Monitoring (IMON) Differential Current Sense Amplifiersfor each Phase AdaptiveV oltage Positioning (AVP) Oscillator Frequency Rangeof 100 kHz1 MHz Latched Over Voltage Protection (OVP) Guaranteed Startup into Pre- -Charged Loads Threshold Sensitive Enable Pin for VTT Sensing Power Good Output with Internal Delays Thermally Compensated Current Monitoring Thisisa Pb- -Free Device
Applications Desktop Processors PIN QFN, 6x6 SUFFIX
CASE 488AR
Device Package Shipping
ORDERING INFORMATION
NCP5392TMNR2G* QFN--40
(Pb--Free)
2500/Tape& Reel
MARKING
DIAGRAM
NCP5392T= Specific Device Code = Assembly Location = WaferLot = Year = Work Week = Pb- -Free Package
NCP5392T
AWLYYWWG
http://
For informationon tape and reel specifications,
including part orientation and tape sizes, please
refertoour Tape and Reel Packaging Specification
Brochure, BRD8011/D.
*Pin41isthethermalpadonthebottomof thedevice.
*Temperature Range: 0qCto 85qC1
