MC7818 VISHAY [Vishay Siliconix], MC7818 Datasheet - Page 7

• Manufacturer Part Number: MC7818
• Description: 3-Terminal Fixed Positive Voltage Regulators
• Manufacturer: VISHAY [Vishay Siliconix]

Ratings and
Characteristic Curves
Document Number 74813
29-Nov-01
1000
3.00
2.25
1.50
0.75
100
20
16
12
8.0
4.0
10
0
0
4.0
0
0
Ambient Temperature (MC78xxCT)
No Heatsink
Fig. 5 – Output Impedance (m )
Fig. 1 – Power Dissipation vs.
Fig. 3 – Peak Output Current
Input -- Output Voltage Differential (V)
25
T
6.0
8.0
T
T
T
J
HS
J
HS
J
J
= 125 C
= 25 C
= --40 C
Ambient Temperatue ( C)
= 0 C
= 15 C/W
V
vs. Output Voltage
= 5 C/W
o
50
-- Output Voltage (V)
12
12
75
16
18
(T
100
A
= 25°C unless otherwise noted)
T
JC
JA
J (max)
f = 120Hz
I
C
= 5 C/W
= 65 C/W
o
20
24
L
= 500mA
125
= OuF
= 150 C
150
30
24
6.20
6.10
6.00
5.90
5.80
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
--75 --50 --25
4.0
0
Part # / V
7805 / 10V
7806 / 11V
7808 / 14V
7812 / 19V
7815 / 23V
7818 / 27V
7824 / 33V
I o = 1.0A
I o = 500mA
I o = 200mA
I o = 0mA
6.0
Fig. 4 –Ripple Rejection Ratio
vs. Junction Temperature
vs. Junction Temperature
8.0
Fig. 2 – Dropout Voltage
25
in
T
Fig. 6 – Output Voltage
J
I o = 20mA
-- Junction Temperature ( C)
V
10
0
o
vs. Output Voltage
-- Output Voltage (V)
25
12
50
Vishay Semiconductor
50
14
MC78xxCT Series
100 125 150 175 200
75
16
f = 120Hz
I
˘Vin = 1.0V (RMS)
o
= 20mA
18
V
V
I
o
100
in
o
20
= 20mA
= 6.0V
= 10V
www.vishay.com
22
125
24
7