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NCP5387MNR2G fiches techniques PDF

ON Semiconductor - 2/3/4 Phase Controller

Numéro de référence NCP5387MNR2G
Description 2/3/4 Phase Controller
Fabricant ON Semiconductor 
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NCP5387MNR2G fiche technique
NCP5387
2/3/4 Phase Controller for
CPU Applications
The NCP5387 is a two−, three−, or four−phase buck controller
which combines differential voltage and current sensing, and
adaptive voltage positioning to power both AMD and Intel
processors. Dual−edge pulse−width modulation (PWM) combined
with inductor current sensing reduces system cost by providing the
fastest initial response to transient load events. Dual−edge
multi−phase modulation reduces total bulk and ceramic output
capacitance required to satisfy transient load−line regulation.
A high performance operational error amplifier is provided, which
allows easy compensation of the system. The proprietary method of
Dynamic Reference Injection (Patented) makes the error amplifier
compensation virtually independent of the system response to VID
changes, eliminating tradeoffs between overshoot and dynamic VID
performance.
Features
Meets Intel’s VR 10.0 and 11.0 and AMD Specifications
Dual−Edge PWM for Fastest Initial Response to Transient Loading
High Performance Operational Error Amplifier
Supports both VR11 and Legacy Soft−Start Modes
Dynamic Reference Injection (Patented)
DAC Range from 0.5 V to 1.6 V
"0.5% System 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)
Frequency Range: 100 kHz – 1.0 MHz
OVP with Resettable, 8 Event Delayed Latch
Threshold Sensitive Enable Pin for VTT Sensing
Power Good Output with Internal Delays
Programmable Soft−Start Time
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
NCP5387
AAWLYYWW
G
NCP5387 = Specific Device Code
AA = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G/G = Pb−Free Package
*Pin 41 is the thermal pad on the bottom of the device.
ORDERING INFORMATION
Device
Package
Shipping
NCP5387MNR2G* 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.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques Reference
Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2007
April, 2007 − Rev. 3
1
Publication Order Number:
NCP5387/D

PagesPages 30
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