NCP5306 PDF даташит
Спецификация NCP5306 изготовлена «ON Semiconductor» и имеет функцию, называемую «Three-Phase VRM 9.0 Buck Controller». |
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Детали детали
Номер произв | NCP5306 |
Описание | Three-Phase VRM 9.0 Buck Controller |
Производители | ON Semiconductor |
логотип |
24 Pages
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NCP5306
Three−Phase VRM 9.0
Buck Controller
Multiphase controllers provide fast, accurate regulation with the
control features required to power the next generation of processors in
desktop, workstation and server applications. Combined with external
gate drivers and power components, the NCP5306 implements a
compact, highly integrated buck converter. Enhanced V2™ control
inherently compensates for variations in both line and load. Current
sharing between phases is achieved by Peak Current Sharing.
The NCP5306 includes Power Good with a programmable lower
threshold.
Applications include Embedded Processor Power and low
voltage/high current power supplies.
Features
• Switching Regulator Controller
− Lossless Current Sensing
− Enhanced V2 Control Method Provides Excellent Regulation
and Fast Transient Response
− Programmable Up to 800 kHz Switching Frequency (Per Phase)
− Duty Cycle − 0% to 100%
− Programmable Adaptive Voltage Positioning Reduces Output
Capacitor Requirements
− Programmable Soft Start
• Accurate Current Sharing
• Protection Features
− Pulse−by−Pulse Current Limit for Each Phase
− Programmable Hiccup Overcurrent Protection
− All “1” DAC Code Fault
− Processor Overvoltage Protection through Bottom MOSFETs
− Undervoltage Lockout
• System Power Management
− 5−Bit DAC With 1.0% Tolerance Compatible with VRM 9.0
− Power Good Output
− Programmable Power Good Lower Threshold
• Guaranteed Startup at −20°C
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24
1
SO−24L
DW SUFFIX
CASE 751E
MARKING DIAGRAM
24
NCP5306
AWLYYWW
1
A
WL
YY
WW
= Assembly Location
= Wafer Lot
= Year
= Work Week
PIN CONNECTIONS
1
GND
OCSET
ROSC
CS3
CS2
CS1
NC
CSREF
VDRP
VFB
COMP
SS
24
VCC
GATE3
GATE2
GATE1
NC
VID0
VID1
VID2
VID3
VID4
PWRGDS
PWRGD
ORDERING INFORMATION
Device
Package
Shipping
NCP5306DW
SO−24L
30 Units/Rail
NCP5306DWR2 SO−24L 1000 Tape & Reel
© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. 3
1
Publication Order Number:
NCP5306/D
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+12 V
6.2 V
GND
NCP5306
5.5 V
NCP5351
VOUT
GND
OCSET
VCC
GATE3
ROSC
GATE2
CS3 GATE1
CS2
CS1
NC
VID0
NC
CSREF
VDRP
VFB
COMP
VID1
VID2
VID3
VID4
PWRGDS
SS PWRGD
NCP5351
NCP5351
PWRGD
VID4
VID3
VID2
VID1
VID0
Figure 1. Application Diagram, 12 V to 1.5 V/60 A Three−Phase Converter
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NCP5306
MAXIMUM RATINGS*
Rating
Operating Junction Temperature
Storage Temperature Range
ESD Susceptibility (Human Body Model)
Package Thermal Resistance
Junction−to−Case, RθJC
Junction−to−Ambient, RθJA
Lead Temperature Soldering: Reflow (Note 1.)
MSL
1. 60 second maximum above 183°C.
*The maximum package power dissipation must be observed.
MAXIMUM RATINGS
Pin Number
Pin Symbol
1 GND
2 OCSET
3 ROSC
4−6 CS3−CS1
7, 20
NC
8 CSREF
9 VDRP
10 VFB
11 COMP
12 SS
13 PWRGD
14 PWRGDS
15−19
21−23
VID4−VID0
GATE1−GATE3
24 VCC
VMAX
N/A
7.0 V
7.0 V
7.0 V
−
7.0 V
7.0 V
7.0 V
7.0 V
7.0 V
18 V
7.0 V
18 V
7.0 V
18 V
VMIN
N/A
−0.3 V
−0.3 V
−0.3 V
N/A
−0.3 V
−0.3 V
−0.3 V
−0.3 V
−0.3 V
−0.3 V
−0.3 V
−0.3 V
−0.3 V
−0.3 V
Value
150
−65 to 150
2.0
Unit
°C
°C
kV
16
80
230 peak
Level 1
°C/W
°C/W
°C
−
ISOURCE
0.4 A, 1.0 μs, 100 mA DC
ISINK
N/A
1.0 mA
1.0 mA
1.0 mA
1.0 mA
1.0 mA
1.0 mA
−−
1.0 mA
1.0 mA
1.0 mA
1.0 mA
1.0 mA
1.0 mA
1.0 mA
1.0 mA
1.0 mA
1.0 mA
1.0 mA
10 mA
1.0 mA
1.0 mA
1.0 mA
1.0 mA
0.1 A, 1.0 μs, 25 mA DC 0.1 A, 1.0 μs, 25 mA DC
100 mA
1.0 mA
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