Datasheet
L78xx - L78xxC Maximum ratings
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3 Maximum ratings
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. Absolute maximum ratings
Symbol Parameter Value Unit
V
I
DC input voltage
for V
O
= 5 to 18 V 35
V
for V
O
= 20, 24 V 40
I
O
Output current Internally limited
P
D
Power dissipation Internally limited
T
STG
Storage temperature range -65 to 150 °C
T
OP
Operating junction temperature range
for L7800 -55 to 150
°C
for L7800C 0 to 150
Table 3. Thermal data
Symbol Parameter D
2
PAK DPAK TO-220 TO-220FP TO-3 Unit
R
thJC
Thermal resistance junction-case 3 8 5 5 4 °C/W
R
thJA
Thermal resistance junction-ambient 62.5 100 50 60 35 °C/W
Figure 4. Application circuits