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L78 Datasheet(PDF) 4 Page - STMicroelectronics

Part # L78
Description  Positive voltage regulator ICs
PDF  55 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L78 Datasheet(HTML) 4 Page - STMicroelectronics

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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
Note:
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 5. Application circuits
GAMG220920161003MT
L78
Maximum ratings
DS0422 - Rev 36
page 4/55



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