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ON Semiconductor - 2/3/4-Phase Controller

Numéro de référence NCP5392
Description 2/3/4-Phase Controller
Fabricant ON Semiconductor 
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NCP5392 fiche technique
NCP5392www.DataSheet4U.com
2/3/4-Phase Controller for
CPU Applications
The NCP5392 provides up to a fourphase buck solution which
combines differential voltage sensing, differential phase current
sensing, and adaptive voltage positioning to provide accurately
regulated power for both Intel and AMD processors. Dualedge
pulsewidth modulation (PWM) combined with inductor current
sensing reduces system cost by providing the fastest initial response
to dynamic load events. Dualedge multiphase modulation reduces
the total bulk and ceramic output capacitance required to meet
transient regulation specifications.
A high performance operational error amplifier is provided to
simplify compensation of the system. Dynamic Reference Injection
further simplifies loop compensation by eliminating the need to
compromise between closedloop transient response and Dynamic
VID performance.
Features
Meets Intel’s VR11.1 Specifications
Meets AMD 6 Bit Code Specifications
Dualedge PWM for Fastest Initial Response to Transient Loading
High Performance Operational Error Amplifier
Internal Soft Start
Dynamic Reference Injection® (Patent #US07057381)
DAC Range from 0.375 V to 1.6 V
DAC Feed Forward (Patent Pending)
±0.5% DAC Voltage Accuracy from 1.0 V to 1.6 V
True Differential Remote Voltage Sensing Amplifier
PhasetoPhase Current Balancing
“Lossless” Differential Inductor Current Sensing
Differential Current Sense Amplifiers for each Phase
Adaptive Voltage Positioning (AVP)
Oscillator Frequency Range of 100 kHz – 1 MHz
Latched Over Voltage Protection (OVP)
Guaranteed Startup into PreCharged Loads
Threshold Sensitive Enable Pin for VTT Sensing
Power Good Output with Internal Delays
Thermally Compensated Current Monitoring
This is a PbFree Device
Applications
Desktop Processors
http://onsemi.com
MARKING
DIAGRAM
1 40
40 PIN QFN, 6x6
MN SUFFIX
CASE 488AR
1
NCP5392
AWLYYWWG
NCP5392 = Specific Device Code
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = PbFree Package
*Pin 41 is the thermal pad on the bottom of the device.
ORDERING INFORMATION
Device
Package
Shipping
NCP5392MNR2G* QFN40 2500/Tape & Reel
(PbFree)
*Temperature Range: 0°C to 85°C
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2008
August, 2008 Rev. 3
1
Publication Order Number:
NCP5392/D

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