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NCP5318FTR2G

更新时间： 2024-11-15 03:57:03
品牌 Logo 应用领域
安森美 - ONSEMI 控制器
页数 文件大小 规格书
31页 374K
描述
Two/Three/Four−Phase Buck CPU Controller

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中文翻译

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NCP5318FTR2G 数据手册

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NCP5318  
Two/Three/Four−Phase  
Buck CPU Controller  
The NCP5318 provides full−featured and flexible control  
conforming to the Intel® VRM 10.1 specification for  
high−performance CPUs. The IC can be programmed as a two−,  
three− or four−phase buck controller, and the per−phase switching  
frequency can be as high as 1.0 MHz. Combined with external gate  
drivers and power components, the controller implements a compact,  
highly integrated multi−phase buck converter.  
http://onsemi.com  
MARKING  
DIAGRAM  
2
Enhanced V ™ control inherently compensates for variations in  
both line and load, and achieves current sharing between phases. This  
control scheme provides fast transient response, reducing the need for  
large banks of output capacitors and higher switching frequency.  
NCP5318  
AWLYYWWG  
LQFP−32  
FT SUFFIX  
CASE 873A  
Features  
• Switching Regulator Controller  
♦ Programmable 2/3/4 Phase Operation  
♦ Lossless Current Sensing  
A
= Assembly Location  
WL  
YY  
WW  
G
= Wafer Lot  
= Year  
2
♦ Enhanced V Control Method Provides Fast Transient Response  
♦ Programmable Up to 1.0 MHz Switching Frequency Per Phase  
♦ Programmable Adaptive Voltage Positioning  
♦ Programmable Soft−Start Time  
= Work Week  
= Pb−Free Package  
• Current Sharing  
PIN CONNECTIONS  
♦ Differential Current Sense Pins for Each Phase  
♦ Current Sharing Within 10% Between Phases  
(Top View)  
• Protection Features  
♦ Programmable Latching Overcurrent Protection  
♦ “111110” and “111111” DAC Code Fault  
♦ Latched Overvoltage Protection  
♦ Undervoltage Lockout  
♦ External Enable Control  
V
V
V
I
R
V
ID2  
ID3  
ID4  
LIM  
OSC  
CC  
♦ Three−State MOSFET Driver Control through DRVON Signal  
PWRLS  
GATE1  
• System Power Management  
V
GATE2  
GATE3  
GATE4  
GND  
FFB  
♦ 6−Bit DAC with 0.5% Tolerance Compatible with VRM 10.1  
Specification  
SS  
PWRGD  
DRVON  
♦ Programmable Lower Power Good Threshold  
♦ Power Good Output with Delay  
♦ Pre−set No Load Offset Voltage  
• Pb−Free Package is Available*  
ORDERING INFORMATION  
†
Device  
Package  
Shipping  
NCP5318FTR2  
LQFP−32  
2000 Tape & Reel  
2000 Tape & Reel  
NCP5318FTR2G LQFP−32  
(Pb−Free)  
*For additional information on our Pb−Free strategy and soldering details, please  
download the ON Semiconductor Soldering and Mounting Techniques  
Reference Manual, SOLDERRM/D.  
†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, 2006  
1
Publication Order Number  
June, 2006 − Rev. 4  
NCP5318/D  
1234567...31

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NCP5318FTR2G 替代型号

型号 品牌 替代类型 描述 数据表
NCP5318FTR2 ONSEMI

完全替代

 Two/Three/Four−Phase Buck CPU Controller

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