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LX1431CDM PDF预览

LX1431CDM

更新时间： 2024-11-18 22:30:55
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 165K
描述
PROGRAMMABLE REFERENCE

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LX1431CDM 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：LEAD FREE, PLASTIC, SOIC-8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.85Is Samacsys：N
模拟集成电路 - 其他类型：TWO TERMINAL VOLTAGE REFERENCEJESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.9 mm
湿度敏感等级：1功能数量：1
输出次数：1端子数量：8
最高工作温度：70 °C最低工作温度：
最大输出电压：2.52 V最小输出电压：2.48 V
标称输出电压：2.5 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)：2.51 V最小供电电压 (Vsup)：2.4 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

LX1431CDM 数据手册

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LIN DOC #: 1431  
LX1431  
P
R O G R A M M A B L 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 GUARANTEED 0.4% INITIAL VOLTAGE  
The LX1431 is an adjustable shunt voltage  
regulator featuring 100mA sink capability, a  
0.4% initial reference voltage tolerance and  
a 0.3% typical temperature stability. This  
product, which is ideal for use in Pentium®  
applications, is equipped with on-chip di-  
vider resistors, enabling it to be configured  
as a 5V shunt regulator. In this configura-  
tion, the LX1431 has an initial voltage toler-  
ance of only 1% and requires no additional  
external components. The Linfinity  
LX1431EB evaluation board and design kit  
is available to assist engineers in quickly  
configuring the most efficient, cost-effective  
Pentium designs.  
design of both adjustable and switching  
power supplies. In addition, the nominal  
internal current limit of 100mA may be de-  
creased with the addition of a single exter-  
nal resistor.  
TOLERANCE  
p 0.1Ω TYPICAL DYNAMIC OUTPUT  
IMPEDANCE  
p FAST TURN-ON  
p SINK CURRENT CAPABILITY, 1mA TO 100mA  
p LOW REFERENCE PIN CURRENT  
For applications requiring an adjustable  
reference, the Linfinity LX6431CLP, a simpli-  
fied three-pin programmable reference, may  
be used. Because the LX6431 is pin-for-pin  
compatible with Linfinity's earlier TL431, use  
of this product provides designers a simple  
migration path to the more robust LX6431.  
A separate LX6431 data sheet is available  
which details the specifics of this product.  
In addition, Pentium designers may use  
Linfinity's LX8585/8585A 4.6A or LX8584/  
8584A 7A Low Dropout Regulators to achieve  
the most optimum motherboard configura-  
tion.  
APPLICATIONS  
■ LINEAR REGULATORS  
■ ADJUSTABLE POWER SUPPLIES  
■ SWITCHING POWER SUPPLIES  
■ LX1431EB EVALUATION BOARD FOR  
PENTIUM APPLICATIONS AVAILABLE.  
CONSULT FACTORY.  
The output voltage of the LX1431 may be  
set to any value between 2.5V and 36V  
through the addition of two external resis-  
tors, which is of particular importance in the  
PRODUCT HIGHLIGHT  
THE LX8584A AND LX1431 IN 75 AND 166MHZ P54C PROCESSOR APPLICATIONS USING 3.3V CACHE  
VO 7A  
(See Table Below)  
PLACE IN µP SOCKET CAVITY  
3
2
VIN  
VOUT  
5V  
3x  
LX8584A  
330µF, 6.3V  
1kW  
Low ESR  
Oscon Type  
from Sanyo  
ADJ  
1
0.01µF  
1kW  
100µF x 6  
10V  
AVX TYPE  
TPS  
250pF  
2
1
COL  
1k  
0.1%  
µP  
Load  
3
8
V+  
220µF  
10V  
REF  
Low ESR  
from  
Sanyo  
2.84kW  
0.1%  
21k  
1%  
LX1431  
1µF x 10  
SMD  
0.1µF  
50V  
JP1  
SGND FGND  
5
6
VO  
JP1  
TYPICAL APPLICATION  
120/166MHz, VRE, 3.3V Cache  
75/90/100/133MHz, STND, 3.3V Cache  
Thick traces represent high current traces which  
must be low resistance / low inductance traces in  
order to achieve good transient response.  
3.50  
3.38  
Short  
Open  
PACKAGE ORDER INFORMATION  
Plastic DIP  
8-pin  
Plastic SOIC  
DM  
8-pin  
TA (°C)  
M
0 to 70  
LX1431CM  
LX1431IM  
LX1431CDM  
LX1431IDM  
-40 to 85  
Note: All surface mount packages are available in Tape & Reel.  
Append the letter "T" to part number (i.e. LX1431CDMT).  
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. 1.2 4/97  
1
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841  
1234567

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 		Two Terminal Voltage Reference, 1 Output, 5V, PDSO8
LX1431CDM-TR MICROSEMI

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 		Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, PDSO8, LEAD FREE, PLASTIC
LX1431CM MICROSEMI

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 		PROGRAMMABLE REFERENCE
LX1431CM-TR MICROSEMI

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 		Two Terminal Voltage Reference
LX1431IDM MICROSEMI

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 		PROGRAMMABLE REFERENCE
LX1431IDM-TR MICROSEMI

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 		Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, PDSO8, LEAD FREE, PLASTIC
LX1431IM MICROSEMI

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 		PROGRAMMABLE REFERENCE
LX1431IM-TR MICROSEMI

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 		Two Terminal Voltage Reference
LX144

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 		Semi-recessed wall mount
LX150PC

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 		Post top mount

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