L78L33AC STMicroelectronics, L78L33AC Datasheet - Page 5

• Manufacturer Part Number: L78L33AC
• Description: Positive voltage regulators
• Manufacturer: STMicroelectronics

L78LxxAB - L78LxxAC - L78LxxC
3
Table 2.
1. Our SO-8 package used for voltage regulators is modified internally to have pins 2, 3, 6 and 7 electrically communed to the
Table 3.
1.
Symbol
Symbol
die attach flag. This particular frame decreases the total thermal resistance of the package and increases its ability to
dissipate power when an appropriate area of copper on the printed circuit board is available for heat-sinking. The external
dimensions are the same as for the standard SO-8.
R
T
R
Considering 6 cm² of copper Board heat-sink.
T
P
STG
V
I
thJC
thJA
OP
O
D
I
DC Input voltage
Output current
Power dissipation
Storage temperature range
Operating junction temperature range
Thermal resistance junction-case. (max)
Thermal resistance junction-ambient. (max)
Maximum ratings
Absolute maximum ratings
Thermal data
Parameter
Parameter
Doc ID 2145 Rev 19
V
V
V
for L78L00AC
for L78L00AB
O
O
O
= 3.3 to 9 V
= 12 to 15 V
= 18 to 24 V
55
SO-8
20
(1)
TO-92
200
Internally limited
-65 to 150
-40 to 125
0 to 150
Value
100
30
35
40
SOT-89
55
15
Maximum ratings
(1)
(1)
°C/W
°C/W
Unit
Unit
mW
mA
°C
°C
V
5/30