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LM317S/NOPB 데이터시트(PDF) 32 Page - Texas Instruments

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부품명 LM317S/NOPB
상세설명  Wide Temperature Three-Pin Adjustable Regulator
PDF  48 Pages
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

LM317S/NOPB 데이터시트(HTML) 32 Page - Texas Instruments

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LM117, LM317-N
SNVS774P – MAY 2004 – REVISED OCTOBER 2015
www.ti.com
Thermal Considerations (continued)
Table 2.
θJA Different Heatsink Area
LAYOUT
COPPER AREA
THERMAL RESISTANCE
Top Side (in2)(1)
Bottom Side (in2)
(
θJA°C/W) TO-252
1
0.0123
0
103
2
0.066
0
87
3
0.3
0
60
4
0.53
0
54
5
0.76
0
52
6
1.0
0
47
7
0.066
0.2
84
8
0.066
0.4
70
9
0.066
0.6
63
10
0.066
0.8
57
11
0.066
1.0
57
12
0.066
0.066
89
13
0.175
0.175
72
14
0.284
0.284
61
15
0.392
0.392
55
16
0.5
0.5
53
(1)
Tab of device attached to topside of copper.
Figure 43.
θJA vs 2-oz. Copper Area for TO-252
Figure 44. Maximum Allowable Power Dissipation vs
Ambient Temperature for TO-252
32
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Product Folder Links: LM117 LM317-N



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