IL7818C 查看數據表（PDF） - Integral Corp.
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IL7818C Datasheet PDF : 5 Pages
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IL78XXC SERIES
THREE-TERMINAL POSITIVE VOLTAGE REGULATORS
These voltage regulators are monolithic TO-220 AB
integrated circuits designed fixed-voltage regulators
for a wide variety of applications including local, on
card regulation. These regulators employ internal
current limiting, thermal shutdown, and safe-area
compensation. With adequate heatsinking they can
Pin 1. I nput
2. Ground
3. Output
(H eatsink
surface connected
to Pin 2.)
deliver output currents in excess of 1.0 ampere.
Although designed primarily as a fixed voltage regulator, these devices can be used with
external components to obtain adjustable voltages and currents.
• Output Current in Excess of 1.0 Ampere
• No External Components Required
Standard application
• Internal Thermal Overload Protection
• Internal Short - Circuit Current Limiting
Vin
I L 78XX
Vout
• Output Transistor Safe-Area Compensation
Ñin*
0.33µF
Ño**
0.1µF
• Output Voltage Offered in 2% and 4% Tolerance
Device type/nominal output voltage
IL7806
5V
IL7806
6V
IL7808
8V
IL7809
9V
IL7812
IL7815
IL7818
IL7824
12 V
15 V
18 V
24 V
A common ground is required between the
input and the output voltage. The input voltage
must remain typically 2.0 V above the output volt-
age even during the low point on the input ripple
voltage.
XX = these two digits of the type number indicate
voltage.
∗ = Cin is required if regulator is located an appre-
ciabl distance from power supply filter.
∗∗ = Co is not needed for stability ; howewer, is
does improve transient response
XX indicates nominal voltage
Maximum ratings (TA = +25 °C unless otherwise noted)
Rating
Symbol
Input Voltage (5.0 V - 18 V)
Vin
(24 V)
Power Dissipation and Thermal Characteristics
Plastic Package
TA = +25 °C
Derate above TA = 25 °C
Thermal Resistance, Junction to Air
PD
1/RΘJA
RΘJC
TA = +25 °C
Derate above TC = +75 °C (See Figure 1)
Thermal Resistance, Junction to Case
Storage Junction Temperature Range
Operating Junction Temperature Range
IL78XXC
PD
1/RΘJC
RΘJC
Tstg
TJ
Value
35
40
Internally Limited
15.4
65
Internally Limited
200
5.0
-65 to +150
0 to +125
Unit
Vdc
Watts
mW/°C
°C/W
Watts
mW/°C
°C/W
°C
°C
1
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