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NCP5386A fiches techniques PDF

ON Semiconductor - 1/2 Phase Controller

Numéro de référence NCP5386A
Description 1/2 Phase Controller
Fabricant ON Semiconductor 
Logo ON Semiconductor 





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NCP5386A fiche technique
NCP5386, NCP5386A,
NCP5386B
1/2 Phase Controller for
CPU and Chipset
Applications
The NCP5386 is a oneor twophase buck controller which
combines differential voltage and current sensing, and adaptive
voltage positioning to power both AMD and Intel processors and
chipsets. Dualedge pulsewidth modulation (PWM) combined with
inductor current sensing reduces system cost by providing the fastest
initial response to transient load events. Dualedge multiphase
modulation reduces total bulk and ceramic output capacitance
www.DarteaqSuhiereedt4tUo.csoamtisfy transient loadline 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
No load Intel VR Offset of 19 mV (NCP5386), +20 mV
(NCP5386A), and 0 mV (NCP5386B)
DualEdge PWM for Fastest Initial Response to Transient Loading
High Performance Operational Error Amplifier
Supports both VR11 and Legacy SoftStart Modes
Dynamic Reference Injection (Patent# 7057381)
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
PhasetoPhase 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 SoftStart Time
This is a PbFree Device*
Applications
Desktop Processors and Chipsets
Server Processors and Chipsets
DDR
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques Reference
Manual, SOLDERRM/D.
http://onsemi.com
1 32
QFN32, 5 x 5*
MN SUFFIX
CASE 485AF
MARKING
DIAGRAMS
1
NCP5386x
AWLYYWWG
*Pin 33 is the thermal pad on the bottom of the device.
NCP5386 = Specific Device Code
x = Blank, A or B
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = PbFree Package
ORDERING INFORMATION
Device
Package
Shipping
NCP5386MNR2G*
QFN32
(PbFree)
2500 /
Tape & Reel
NCP5386AMNR2G* QFN32
(PbFree)
2500 /
Tape & Reel
NCP5386BMNR2G* QFN32
(PbFree)
2500 /
Tape & Reel
*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
May, 2008 Rev. 1
1
Publication Order Number:
NCP5386/D

PagesPages 30
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