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NCP5395G PDF даташит

Спецификация NCP5395G изготовлена ​​​​«ON Semiconductor» и имеет функцию, называемую «2/3/4-Phase Controller».

Детали детали

Номер произв NCP5395G
Описание 2/3/4-Phase Controller
Производители ON Semiconductor
логотип ON Semiconductor логотип 

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NCP5395G Даташит, Описание, Даташиты
NCP5395G
2/3/4-Phase Controller with
On Board Gate Drivers for
CPU Applications
The NCP5395G 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. 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.
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
transient regulation specifications.
The on board gate drivers includes adaptive non overlap and power
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.
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
True Differential Remote Voltage Sensing Amplifier
PhasetoPhase Current Balancing
“Lossless” Differential Inductor Current Sensing
Accurate Current Monitoring (IMON)
Differential Current Sense Amplifiers for Each Phase
Adaptive Voltage Positioning (AVP)
Oscillator Frequency Range of 125 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
Output Disable Control Turn Off of Both Phase Pair MOSFETs
Thermally Compensated Current Monitoring
AdaptiveNonOverlap Gate Drive Circuit
Thermal Shutdown Protection This is a PbFree Device
http://onsemi.com
QFN48, 7x7
CASE 485AJ
1 48
MARKING DIAGRAM
48
1
NCP5395G
AWLYYWWG
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = PbFree Package
148
BPGS3I
VID0
VVVIIIDDD321
VID7/VVVAIIIMDDDD654
ROSC
ILIM
AGND
Downbonded to
Exposed Flag
EVGBNRG4R1 DY
CCCSSS211NPN
CS2P
CCCCSSSS4433PNPN
ORDERING INFORMATION
Device
Package
Shipping
NCP5395GMNR2G QFN48 2500/Tape & Reel
(PbFree)
†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.
Applications
Graphic Cards, Desktop Processors
© Semiconductor Components Industries, LLC, 2012
February, 2012 Rev. 2
1
Publication Order Number:
NCP5395G/D









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NCP5395G Даташит, Описание, Даташиты
NCP5395G
VID0
VID1
VID2
VID3
VID4
VID5
VID6
VID7/AMD
PSI
DAC
Flexible DAC
-
+
VSN
VSP
DIFFOUT
1.3 V
VFB
-
+
Diff Amp
Error Amp
+
-
Overvoltage
Protection
COMP
VDRP
VDFB
CSSUM
CS1P
CS1N
CS2P
CS2N
CS3P
CS3N
CS4P
CS4N
ROSC
+
-
2/3
+
-
Gain = 6
+
+
-
Gain = 6
+
-
Gain = 6
+
- Gain = 6
Oscillator
+
+
+
+
+
-
+
-
+
-
+
-
ILIM
EN
VCC
4.25 V
+
-
UVLO
+
-
ILimit
Control,
Fault Logic
and
Monitor
Circuits
VCCP
Phase 1
Gate Driver
with
Adaptive
Nonoverlap
BST1
TG1
SWN1
BG1
Phase 2
Gate Driver
with
Adaptive
Nonoverlap
BST2
TG2
SWN2
BG2
Phase 3
Gate Driver
with
Adaptive
Nonoverlap
BST3
TG3
SWN3
BG3
G4
IMON
DRVON
12VMON
VR_RDY
GND (FLAG)
Figure 1. NCP5395G Functional Block Diagram
http://onsemi.com
2









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NCP5395G Даташит, Описание, Даташиты
NCP5395G
VTT
PSI#_CPU
VVIIDD01
VID2
VID3
VID4
VID5
VID6
VID7
12V_FILTER
21
IMON
VCCP
RFB CFB
13 IMON
14
VSP
VBST3 48
TG3 47
15
VSN
SWN3 46
RF
CH
CF
CDFB
RFB
16
DIFFOUT
DRVON 45
17
COMP
18
VFB
NCP5395G
48L 7x7 QFN
BST2 44
TG2 43
DRVON
RDRP 19 VDRP
FLAG = GND SWN2 42
12V_FILTER
20 VDFB
BG2 41
RDFB
R 21
CSSUM
VCCP 40
RISO RISO
RT
12V_FILTER
22 DAC
23 12VMON
SWN1 39
TG1 38
24 VCC
BST1 37
D
G
S
21
12V_FILTER
D
G
S
D
G
S
PWM3_SENSE_N
PWM3_SENSE_P
12V_FILTER
D
G
S
+5.0V
VTT
C17
DD
GG
PWM1_SENSE_N
S S PWM1_SENSE_P
PWM1_SENSE_P
PWM1_SENSE_N
VCCP
ENABLE
PWM3_SENSE_P
PWM3_SENSE_N
Figure 2. Typical 2 Phase Application
http://onsemi.com
3










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