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L78L05ABUTR Datasheet(PDF) 5 Page - STMicroelectronics

Part No. L78L05ABUTR
Description  Positive voltage regulators
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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L78L05ABUTR Datasheet(HTML) 5 Page - STMicroelectronics

 
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L78L
Maximum ratings
46
3
Maximum ratings
Table 1. Absolute maximum ratings
Symbol
Parameter
Value
Unit
VI
DC Input voltage
VO = 3.3 to 9 V
30
V
VO = 12 to 15 V
35
VO = 18 to 24 V
40
IO
Output current
100
mA
PD
Power dissipation
Internally limited (1)
1.
Our SO-8 package used for voltage regulators is modified internally to have pins 2, 3, 6 and 7 electrically communed to the
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.
mW
TSTG
Storage temperature range
-65 to 150
°C
TOP
Operating junction temperature range
for L78LxxAC /
L78LxxC
0 to 125
°C
for L78LxxAB
-40 to 125
Table 2. Thermal data
Symbol
Parameter
SO-8
TO-92
SOT-89
Unit
RthJC
Thermal resistance junction-case (max)
20
15
°C/W
RthJA
Thermal resistance junction-ambient (max)
55 (1)
200
55 (1)
°C/W
1.
Considering 6 cm² of copper Board heat-sink.


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