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L78 データシート(PDF) 5 Page - STMicroelectronics

部品番号 L78
部品情報  Thermal overload protection
PDF  54 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L78 データシート(HTML) 5 Page - STMicroelectronics

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L78
Maximum ratings
DocID2143 Rev 34
5/54
3
Maximum ratings
Table 1: Absolute maximum ratings
Symbol
Parameter
Value
Unit
VI
DC input voltage
for VO= 5 to 18 V
35
V
for VO= 20, 24 V
40
IO
Output current
Internally limited
PD
Power dissipation
Internally limited
TSTG
Storage temperature range
-65 to 150
°C
TOP
Operating junction temperature range
for L78xxC, L78xxAC
0 to 125
°C
for L78xxAB
-40 to 125
Absolute maximum ratings are those values beyond which damage to the device
may occur. Functional operation under these condition is not implied.
Table 2: Thermal data
Symbol
Parameter
D²PAK
DPAK
TO-220
TO-220FP
Unit
RthJC
Thermal resistance junction-case
3
8
5
5
°C/W
RthJA
Thermal resistance junction-ambient
62.5
100
50
60
°C/W
Figure 4: Application circuits



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