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LM317MDT-1 PDF预览

LM317MDT-1

更新时间: 2024-02-20 03:34:28
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 输出元件调节器
页数 文件大小 规格书
10页 188K
描述
Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSIP3, PLASTIC, DPAK-3

LM317MDT-1 技术参数

生命周期:Obsolete零件包装代码:TO-252
包装说明:SIP,针数:3
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.62
最大差分输入-输出电压:40 V最小差分输入-输出电压:3 V
JESD-30 代码:R-PSIP-T3长度:6.54 mm
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 1:0.5 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
封装代码:SIP封装形状:RECTANGULAR
封装形式:IN-LINE认证状态:Not Qualified
调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR座面最大高度:8.63 mm
表面贴装:NO技术:BIPOLAR
端子形式:THROUGH-HOLE端子节距:2.3 mm
端子位置:SINGLE宽度:2.285 mm
Base Number Matches:1

LM317MDT-1 数据手册

 浏览型号LM317MDT-1的Datasheet PDF文件第4页浏览型号LM317MDT-1的Datasheet PDF文件第5页浏览型号LM317MDT-1的Datasheet PDF文件第6页浏览型号LM317MDT-1的Datasheet PDF文件第7页浏览型号LM317MDT-1的Datasheet PDF文件第9页浏览型号LM317MDT-1的Datasheet PDF文件第10页 
LM317M, LM317MA  
Figure 19. Adjustable Current Limiter  
Figure 20. 5 V Electronic Shutdown Regulator  
D
V
I
O
V
1
R
O
+25V  
out  
1
LM317M  
1.25k  
1N4002  
LM317M  
V
in  
V
V
in  
out  
V
V
out  
in  
Adjust  
D1  
R
+
2
1N914  
1.0µF  
120  
500  
D2  
* To provide current limiting of I  
to the system ground, the source of  
the current limiting diode must be tied to  
a negative voltage below – 7.25 V.  
O
Adjust  
720  
1N914  
MPS2222  
1.0k  
TTL  
Control  
1N5314  
V
ref  
R
R
2
I
DSS  
Minimum V  
out  
= 1.25 V  
V
*
SS  
V
ref  
+ I  
=
1
I
Omax DSS  
D
protects the device during an input short circuit.  
1
V
< P  
OV  
+ 1.25 V + V  
O
SS  
– I < I < 500 mA – I  
P
I
Lmin  
P
O
As shown O < I < 495 mA  
O
Figure 21. Slow Turn–On Regulator  
Figure 22. Current Regulator  
I
V
out  
out  
R
R
2
V
V
1
LM317M  
in  
out  
V
in  
LM317M  
240  
1N4001  
V
out  
I
Adjust  
50k  
Adjust  
Adj  
R
2
MPS2907  
+
10µF  
V
1.25 V  
ref  
I
=
+ I  
Adj  
outmax  
R
+ R  
R
+ R  
1
2
1
2
5.0 mA < I  
< 100 mA  
out  
Figure 23. DPAK Thermal Resistance and Maximum  
Power Dissipation versus P.C.B. Copper Length  
100  
90  
80  
70  
60  
50  
40  
2.4  
2.0  
1.6  
1.2  
0.8  
0.4  
0
P
for T = 50°C  
A
D(max)  
Free Air  
Mounted  
Vertically  
2.0 oz. Copper  
L
Minimum  
Size Pad  
L
R
θ
JA  
0
5.0  
10  
15  
20  
25  
30  
L, LENGTH OF COPPER (mm)  
8
MOTOROLA ANALOG IC DEVICE DATA  

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