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LM317CT-E3 PDF预览

LM317CT-E3

更新时间: 2024-10-29 14:52:27
品牌 Logo 应用领域
威世 - VISHAY 局域网输出元件调节器
页数 文件大小 规格书
6页 115K
描述
IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSFM3, TO-220, 3 PIN, Adjustable Positive Single Output Standard Regulator

LM317CT-E3 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:SFM
包装说明:,针数:3
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.62
Is Samacsys:N最大差分输入-输出电压:40 V
最小差分输入-输出电压:3 VJESD-30 代码:R-PSFM-T3
JESD-609代码:e3湿度敏感等级:1
功能数量:1端子数量:3
工作温度TJ-Max:125 °C工作温度TJ-Min:
最大输出电流 1:1.5 A最大输出电压 1:37 V
最小输出电压 1:1.2 V封装主体材料:PLASTIC/EPOXY
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR表面贴装:NO
端子面层:MATTE TIN端子形式:THROUGH-HOLE
端子位置:SINGLE处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

LM317CT-E3 数据手册

 浏览型号LM317CT-E3的Datasheet PDF文件第2页浏览型号LM317CT-E3的Datasheet PDF文件第3页浏览型号LM317CT-E3的Datasheet PDF文件第4页浏览型号LM317CT-E3的Datasheet PDF文件第5页浏览型号LM317CT-E3的Datasheet PDF文件第6页 
LM317  
New Product  
Vishay  
formerly General Semiconductor  
3-Terminal Adjustable Output Positive Voltage Regulators  
Pin Arrangement  
Description  
The LM317 is an adjustable 3-terminal positive voltage  
regulator capable of supplying in excess of 1.5A over an  
output voltage range of 1.2V to 37V. This voltage regulator  
is exceptionally easy to use and requires only two external  
resistors to set the output voltage. Further, it employs internal  
current limiting, thermal shutdown and safe area compen-  
sation, making it essentially blow-out proof.  
TO-263  
(LM317CM)  
3
2
1
3
TO-220  
(LM317CT)  
2
1
1. Adjust  
2. Vout  
3. Vin  
Features  
Heatsink is connected to pin 2  
• Output current in excess of 1.5 ampere  
• Output adjustable between 1.2V and 37V  
• Internal thermal overload protection  
Standard Application  
V
V
out  
in  
LM317  
• Internal short-circuit current limiting  
constant with temperature  
R1  
240  
I
Adjust  
R2  
ADJ  
Cin  
0.1µF  
Co  
1µF  
• Output transistor safe-area compensation  
• Floating operation for high voltage applications  
• Eliminates stocking many fixed voltages  
Notes:  
Cin is required if regulator is located an appreciable distance from power  
supply filter.  
Mechanical Data  
Case: TO-220 and TO-263 packages  
Co is not needed for stability, however, it does improve transient response.  
Vout = 1.25V (1 + R2/R1) + IAdj R2  
Weight: approx. 1.35g  
Since IAdj is controlled to less than 100µA, the error associated with this  
term is negligible in most applications  
Case outlines are on the back page.  
Functional Block Diagram  
Input  
3
+
--  
Voltage  
Reference  
Protection  
Circuitry  
Rlimit  
2
Vadj  
1
Output  
Maximum Ratings Ratings at 25°C ambient temperature unless otherwise specified.  
Parameter  
Symbol  
Value  
Unit  
Input-Output Voltage Differential  
Junction-to-Case Thermal Resistance  
Vi-Vo  
40  
Vdc  
TO-220  
TO-263  
3.0  
3.0  
RθJC  
°C  
Power Dissipation, 25°C Case Temperature  
Operating Junction Temperature Range  
Storage Junction Temperature Range  
PD  
TJ  
15  
W
°C  
°C  
0 to +125  
–65 to +150  
Tstg  
Document Number 74809  
30-Oct-02  
www.vishay.com  
1

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