LM177H/883 National Semiconductor Corporation, LM177H/883 Datasheet - Page 11

• Manufacturer Part Number: LM177H/883
• Description: LM117 - 3-Terminal Adjustable Regulator, Package: TO-3, Pin Nb=3
• Manufacturer: National Semiconductor Corporation

Application Hints
Note:
*
Tab of device attached to topside of copper.
Layout
10
12
13
14
15
16
11
FIGURE 10. Maximum Allowable Power Dissipation vs. Ambient Temperature for TO-252
(Continued)
0.066
0.175
0.284
0.392
TABLE 1. θ
0.5
0
0
FIGURE 9. θ
Copper Area
JA
JA
Different Heatsink Area (Continued)
vs 2oz Copper Area for TO-252
11
0.066
0.175
0.284
0.392
0.8
0.5
1
00906361
00906363
Thermal Resistance
57
57
89
72
61
55
53
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