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SC431LCZ-.5TA PDF预览

SC431LCZ-.5TA

更新时间： 2024-09-15 14:44:35
品牌 Logo 应用领域
商升特 - SEMTECH 输出元件
页数 文件大小 规格书
10页 213K
描述
Two Terminal Voltage Reference, 1 Output, 1.24V, BIPolar, PBCY3, TO-92, 3 PIN

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SC431LCZ-.5TA 技术参数

生命周期：Obsolete零件包装代码：TO-92
包装说明：TO-92, 3 PIN针数：3
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.67
Is Samacsys：N其他特性：OUTPUT VOLTAGE ADJUSTABLE FROM 1.24V TO 20V WITH EXTERNAL RESISTORS
模拟集成电路 - 其他类型：TWO TERMINAL VOLTAGE REFERENCEJESD-30 代码：O-PBCY-T3
功能数量：1输出次数：1
端子数量：3最高工作温度：70 °C
最低工作温度：最大输出电流：0.01 A
最大输出电压：1.258 V最小输出电压：1.222 V
标称输出电压：1.24 V封装主体材料：PLASTIC/EPOXY
封装代码：TO-92封装等效代码：SIP3,.1,50
封装形状：ROUND封装形式：CYLINDRICAL
认证状态：Not Qualified子类别：Voltage References
表面贴装：NO技术：BIPOLAR
温度等级：COMMERCIAL端子形式：THROUGH-HOLE
端子节距：1.27 mm端子位置：BOTTOM
微调/可调输出：NOBase Number Matches：1

SC431LCZ-.5TA 数据手册

 浏览型号SC431LCZ-.5TA的Datasheet PDF文件第2页浏览型号SC431LCZ-.5TA的Datasheet PDF文件第3页浏览型号SC431LCZ-.5TA的Datasheet PDF文件第4页浏览型号SC431LCZ-.5TA的Datasheet PDF文件第5页浏览型号SC431LCZ-.5TA的Datasheet PDF文件第6页浏览型号SC431LCZ-.5TA的Datasheet PDF文件第7页 
SC431L  
Low Voltage Adjustable  
Shunt Regulator  
POWER MANAGEMENT  
Description  
ꢀeatures  
The SC431L is a three terminal adjustable shunt  
regulator with thermal stability guaranteed over  
temperature. The output voltage can be adjusted to any  
u Low voltage operation (down to 1.24V)  
u Wide operating current range 80µA to 100mA  
u Low dynamic output impedance 0.05 Ω typ.  
u Trimmed bandgap design ± 0.25%  
u Upgrade for TLV431A  
value from 1.24V (V ) to 20V with two external  
REꢀ  
resistors. The SC431L has a typical dynamic output  
impedance of 0.05Ω. Active output circuitry provides a  
very sharp turn on characteristic, making the SC431L an  
excellent replacement for zener diodes.  
u Available in SOT-23-3, SOT-23-5 and TO-92  
packages  
Applications  
The SC431L shunt regulator is available with four  
voltage tolerances (0.25%, 0.5%, 1.0% and 2.0%), two  
operating temperature ranges (commercial and  
industrial) and three package options (SOT-23-3,  
SOT-23-5 and TO-92). This allows the designer the  
opportunity to select the optimum combination of cost  
and performance for their application.  
u Linear Regulators  
u Adjustable Supplies  
u Switching Power Supplies  
u Battery Operated Computers  
u Instrumentation  
u Computer Disk Drives  
Typical Application Circuit(1)(2)  
Notes:  
1) Set VOUT according to the following equation:  
R1  
VOUT = VREF 1+  
+IREF R1  
R2  
2) Choose the value for R as follows:  
• The maximum limit for R should be such that the  
cathode current, I , is greater than the minimum  
Z
operating current (80µA) at V  
.
IN(MIN)  
• The minimum limit for R should be such that IZ does  
not exceed 100mA under all load conditions, and the  
instantaneous turn-on value for I does not exceed  
Z
150mA. Both of the following conditions must be met:  
VIN(max)  
R min  
≥
≥
(to limit instantaneous turn-on IZ)  
150 mA  
VIN (max) − VOUT  
Rmin  
(to limit I under normal  
Z
IOUT (min) +100 mA  
operating conditions)  
Revision 4, August 2001  
1
www.semtech.com  
1234567...10

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