l78l18n ETC-unknow, l78l18n Datasheet - Page 2

• Manufacturer Part Number: l78l18n
• Description: Three-terminal Positive-voltage Regulator
• Manufacturer: ETC-unknow

ABSOLUTE MAXIMUM RATINGS
Note1: To avoid exceeding the design maximum virtual junction temperature, three ratings should not be exceeded. Due to variations in
† The TO-92 package dissipation rating is based on thermal resistance
RECOMMENDED OPERATING CONDITIONS
Continuous total power dissipation
Storage Temperature Range - T
Junction Temperature - T
Lead Temperature (Soldering, 10 Seconds) - T
Input Voltage - V
L78L18
Output Current - I
Operating Virtual Junction Temperature - T
NIKO-SEM
The bottom of the package is 10mm (0.375 in) above the stock.
Input Voltage - V
PACKAGE
PACKAGE
individual device electrical characteristics and thermal resistance, the built-in thermal overload protection may be activated at power
levels slightly above or below the rated dissipation.
TO-92
TO-92
DISSIPATION RATING TABLE 1 – FREE-AIR TEMPERATURE
DISSIPATION RATING TABLE 2 – CASE TEMPERATURE
I
OUT
I
POWER RATING
POWER RATING
T
T
1600 mW
650 mW
A
A
J
25°C
25°C
Positive-Voltage Regulator
PARAMETER
PARAMETER
STG
Three-Terminal
28.6 mW/
DERATING
DERATING
6.2 mW/
FACTOR
FACTOR
J
2
L
JA
measured in still air with the device mounted in an Augat socket.
°C
°C
DERATING
DERATING
ABOVE T
ABOVE T
25
94
°C
°C
A
C
POWER RATING
POWER RATING
100 mA (Max)
-55 to +150 °C
T
21V to 33V
0 to 125 °C
(See Note 1)
T
C
350 mW
713 mW
VALUE
A
VALUE
= 125°C
125 °C
260 °C
L78L18
= 70°C
35V
MAR-04-2002