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CS5151 PDF预览

CS5151

更新时间: 2022-01-15 05:11:55
品牌 Logo 应用领域
樱桃 - CHERRY 控制器
页数 文件大小 规格书
14页 309K
描述
CPU 4-Bit Nonsynchronous Buck Controller

CS5151 数据手册

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CS5151  
CPU 4-Bit Nonsynchronous Buck Controller  
Features  
Description  
The CS5151 is a 4-bit nonsyn-  
MMX™ Technology and other high  
performance core logic. It includes  
the following features: on board,  
4-bit DAC, short circuit protection,  
1.0% output tolerance, VCC monitor,  
and programmable soft start capa-  
N-Channel Design  
Excess of 1MHz Operation  
100ns Transient Response  
4-Bit DAC  
chronous N-Channel buck con-  
troller. It is designed to provide  
unprecedented transient response  
for today’s demanding high-densi-  
ty, high-speed logic. The regulator  
Upward Compatible with  
operates using a proprietary control bility. The CS5151 is upwards com-  
5-Bit CS5155/5156 and  
method, which allows a 100ns  
response time to load transients.  
The CS5151 is designed to operate  
over a 4.25-16V range (VCC) using  
12V to power the IC and 5V as the  
main supply for conversion.  
patible with the 5-bit CS5156, allow-  
ing the mother board designer the  
capability of using either the  
CS5151 or the CS5156 with no  
change in layout. The CS5151 is  
available in 16 pin surface mount  
and DIP packages.  
Adjustable CS5120/5121  
30ns Gate Rise/Fall Times  
1% DAC Accuracy  
5V & 12V Operation  
Remote Sense  
The CS5151 is specifically designed  
to power Pentium® processors with  
Programmable Soft Start  
Lossless Short Circuit  
Protection  
VCC Monitor  
Application Diagram  
Switching Power Supply for core logic - Pentium® processor with MMX™ Technology  
Adaptive Voltage  
Positioning  
12V  
5V  
2
V  
Control Topology  
Current Sharing  
Overvoltage Protection  
1200µF/16V x 3  
AlEl  
0.1µF  
V
IRL3103  
V
CC2  
CC1  
V
GATE  
2µH  
2.1V to 3.5V @ 13A  
V
V
V
V
ID0  
V
ID1  
V
ID2  
V
ID3  
ID0  
ID1  
ID2  
Package Options  
16 Lead SO Narrow & PDIP  
CS5151  
3
V
MBR735  
ID3  
1,2  
1200µF/16V x 5  
AlEl  
C
OFF  
1
V
ID0  
V
ID1  
V
ID2  
V
FB  
PGnd  
330pF  
COMP  
LGnd  
SS  
V
FB  
V
SS  
V
NC  
ID3  
CC1  
0.1µF  
COMP  
3.3k  
V
FFB  
LGnd  
0.33µF  
PGnd  
NC  
OFF  
100pF  
C
V
GATE  
V
FFB  
V
CC2  
V2 is a trademark of Switch Power, Inc.  
Pentium is a registered trademark and MMX is a trademark of Intel Corporation.  
Cherry Semiconductor Corporation  
2000 South County Trail, East Greenwich, RI 02818  
Tel: (401)885-3600 Fax: (401)885-5786  
Email: info@cherry-semi.com  
Web Site: www.cherry-semi.com  
Rev. 1/5/99  
1
A
®
Company  

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