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LX1670CD

更新时间: 2024-11-10 22:46:51
品牌 Logo 应用领域
美高森美 - MICROSEMI 电源电路参考电压源光电二极管
页数 文件大小 规格书
7页 194K
描述
5 - BIT PROGRAMMABLE VOTAGE REFERENCE

LX1670CD 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:LEAD FREE, PLASTIC, SOIC-14
针数:14Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.86Is Samacsys:N
模拟集成电路 - 其他类型:THREE TERMINAL VOLTAGE REFERENCEJESD-30 代码:R-PDSO-G14
JESD-609代码:e0长度:8.65 mm
湿度敏感等级:1功能数量:1
输出次数:1端子数量:14
最高工作温度:70 °C最低工作温度:
最大输出电压:3.5 V最小输出电压:1.3 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压 (Vsup):13.2 V
最小供电电压 (Vsup):10.8 V标称供电电压 (Vsup):12 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40微调/可调输出:YES
宽度:3.9 mmBase Number Matches:1

LX1670CD 数据手册

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LIN DOC #: 1670  
LX1670  
5 - B I T  
P
R O G R A M M A B L E  
V
O L TA G E  
R
E F E R E N C E  
T H E I N F I N I T E P O W E R O F I N N O V A T I O N  
P R O D U C T I O N D A T A S H E E T  
DESCRIPTION  
KEY FEATURES  
p 1% TOTAL OUTPUT ERROR  
p POWER GOOD, UV, 0V COMPARATORS  
p 0V COMPARATOR HAS SCR DRIVE  
The LX1670 is a complete precision  
reference and voltage monitor circuit  
for the Intel Pentium® Pro Processor  
and other high-end microprocessor  
supplies. It is designed for use in  
conjunction with the LX1660/1661 PWM  
controller. The LX1670 reads a 5-bit  
voltage identification (VID) code from  
the microprocessor and sets the output  
voltage reference to be used by the  
LX1660/61 controller. Together, they  
convert +5 or 12V input power to an  
adjustable output ranging from 1.8VDC  
to 3.5VDC in 100mV steps (50mV steps  
below 2.1V) with 1% DC system  
accuracy.  
p UNDER-VOLTAGE LOCKOUT CAPABILITY  
p 5-BIT INPUT FOR ADVANCED PENTIUM PRO  
PROCESSOR APPLICATIONS (5TH BIT IS FOR  
AUTOMATIC GAIN AND OFFSET SCALING)  
p IMPLEMENTS 1% DC ACCURATE CONTROL  
SYSTEM  
p 14-PIN NARROW BODY SOIC PACKAGE  
PRODUCT HIGHLIGHT  
APPLICATIONS  
PENTIUM II & PENTIUM PRO VOLTAGE  
TYPICAL APPLICATION OF THE LX1670  
REGULATOR MODULES  
PROGRAMMABLE POWER SUPPLIES  
VOLTAGE REFERENCE  
VCC  
ADVANCED MICROPROCESSOR SUPPLIES  
VCC  
BIT 0  
BIT 1  
BIT 2  
BIT 3  
BIT 4  
D0  
5-Bit  
Digital  
Input  
D1  
To PWM  
D2  
D3  
D4  
VIDO  
OVOUT  
PGOOD  
Error Amplifier  
Word  
LX1670  
SCR Drive  
Enable  
ENABLE  
BLKEN  
Blank Enable  
Power Good  
GND  
VSENSE  
System Output  
Voltage  
PACKAGE ORDER INFO  
Plastic SOIC  
14-pin  
TA (°C)  
D
0 to 70  
LX1670CD  
Note: All surface-mount packages are available in Tape & Reel.  
Append the letter "T" to part number. (i.e. LX1670CDT)  
F O R F U R T H E R I N F O R M AT I O N C A L L ( 7 1 4 ) 8 9 8 - 8 1 2 1  
Copyright © 1997  
Rev. 1.0 7/97  
1
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841  

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