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Numéro de référence | NCP5392 | ||
Description | 2/3/4-Phase Controller | ||
Fabricant | ON Semiconductor | ||
Logo | |||
1 Page
NCP5392www.DataSheet4U.com
2/3/4-Phase Controller for
CPU Applications
The NCP5392 provides up to a four−phase 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. Dual−edge
pulse−width modulation (PWM) combined with inductor current
sensing reduces system cost by providing the fastest initial response
to dynamic load events. Dual−edge 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 closed−loop transient response and Dynamic
VID performance.
Features
• Meets Intel’s VR11.1 Specifications
• Meets AMD 6 Bit Code Specifications
• Dual−edge 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
• Phase−to−Phase 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 Pre−Charged Loads
• Threshold Sensitive Enable Pin for VTT Sensing
• Power Good Output with Internal Delays
• Thermally Compensated Current Monitoring
• This is a Pb−Free 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 = Pb−Free Package
*Pin 41 is the thermal pad on the bottom of the device.
ORDERING INFORMATION
Device
Package
Shipping†
NCP5392MNR2G* QFN−40 2500/Tape & Reel
(Pb−Free)
*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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Pages | Pages 30 | ||
Télécharger | [ NCP5392 ] |
No | Description détaillée | Fabricant |
NCP5392 | 2/3/4-Phase Controller | ON Semiconductor |
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