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ON Semiconductor - 2/3/4-Phase Controller with On Board Gate Drivers

Numéro de référence NCP5395T
Description 2/3/4-Phase Controller with On Board Gate Drivers
Fabricant ON Semiconductor 
Logo ON Semiconductor 





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NCP5395T fiche technique
NCP5395T
2/3/4-Phase Controller with
On Board Gate Drivers for
CPU Applications
The NCP5395T provides up to a fourphase buck solution which
combines differential voltage sensing, differential phase current
sensing, and adaptive voltage positioning to provide accurately
http://onsemi.com
regulated power for both Intel and AMD processors. It also receives
power saving command (PSI) from CPU, and operates in a single
phase emulation diode mode to obtain a high efficiency at light load.
QFN48, 7x7
CASE 485AJ
Dualedge pulsewidth modulation (PWM) combined with precise
inductor current sensing provides the fastest initial response to
dynamic load events both in power saving and normal modes.
Dualedge multiphase modulation reduces the total bulk and ceramic
output capacitance required therefore reducing the system cost to meet
1 48
MARKING DIAGRAM
48
1
transient regulation specifications.
The on board gate drivers includes adaptive non overlap and power
NCP5395T
AWLYYWWG
saving operation. A high performance operational error amplifier is
provided to simplify compensation of the system. Patented Dynamic
Reference Injection further simplifies loop compensation by
eliminating the need to compromise between closedloop transient
response and Dynamic VID performance.
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = PbFree Package
Features
Meets Intel’s VR11.1 and AMD’s 6 Bit Code Specifications
Enhanced Power Saving Function
Internal Soft Start
Dualedge PWM for Fastest Initial Response to Transient Loading
High Performance Operational Error Amplifier
Dynamic Reference Injection (Patent #US07057381)
DAC Range from 0.5 V to 1.6 V
DAC Feed Forward Function (Patient Pending)
±0.5% DAC Voltage Accuracy from 1.0 V to 1.6 V
48
1
VBPIGDS30I
VVIIDD21
VVVIIIDDD543
VID7R/VAOIMSDCD6
ILIM
AGND
Downbonded to
Exposed Flag
BG1
G4
EVNRRDY
CS1N
CS1P
CCCCCCSSSSSS443322PNPNPN
True Differential Remote Voltage Sensing Amplifier
PhasetoPhase Current Balancing
“Lossless” Differential Inductor Current Sensing
Accurate Current Monitoring (IMON)
ORDERING INFORMATION
Differential Current Sense Amplifiers for Each Phase
Device
Package
Shipping
Adaptive Voltage Positioning (AVP)
Oscillator Frequency Range of 125 kHz 1 MHz
NCP5395TMNR2G QFN48 2500/Tape & Reel
(PbFree)
Latched Over Voltage Protection (OVP)
Guaranteed Startup into PreCharged Loads
Threshold Sensitive Enable Pin for VTT Sensing
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
Power Good Output with Internal Delays
Thermal Shutdown Protection
Output Disable Control Turn Off of Both Phase Pair
This is a PbFree Device
MOSFETs
Thermally Compensated Current Monitoring
AdaptiveNonOverlap Gate Drive Circuit
Applications
Desktop Processors
© Semiconductor Components Industries, LLC, 2013
July, 2013 Rev. 1
1
Publication Order Number:
NCP5395T/D

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