Datasheet

DocID2143 Rev 31 7/57
L78xx, L78xxC, L78xxAB, L78xxAC Maximum ratings
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 L78xx -55 to 150
°Cfor L78xxC, L78xxAC 0 to 125
for L78xxAB -40 to 125
Table 3. Thermal data
Symbol Parameter D²PAK 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