MC7818CT Fairchild Semiconductor, MC7818CT Datasheet - Page 11

• Manufacturer Part Number: MC7818CT
• Description: Linear Regulators - Standard TO-220 1A Pos Volt
• Manufacturer: Fairchild Semiconductor

Specifications of MC7818CT

• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Fixed
• Output Voltage: 18 V
• Output Current: 1 A
• Line Regulation: 360 mV
• Load Regulation: 360 mV
• Dropout Voltage (max): 2 V
• Input Voltage Max: 40 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Package / Case: TO-220
• Mounting Style: Through Hole
• Voltage Regulation Accuracy: 4 %
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

16. T
17. Load and line regulation are specified at constant junction temperature. Changes in V
ELECTRICAL CHARACTERISTICS
Output Voltage (T
Output Voltage (5.0 mA ≤ I
Line Regulation, T
Load Regulation, T
Quiescent Current
Quiescent Current Change
Ripple Rejection
Dropout Voltage (I
Output Noise Voltage (T
Output Resistance f = 1.0 kHz
Short Circuit Current Limit (T
Peak Output Current (T
Average Temperature Coefficient of Output Voltage
separately. Pulse testing with low duty cycle is used.
14.5 Vdc ≤ V
15.5 Vdc ≤ V
14.5 Vdc ≤ V
16 Vdc ≤ V
14.8 Vdc ≤ V
5.0 mA ≤ I
14.5 Vdc ≤ V
15 Vdc ≤ V
5.0 mA ≤ I
15 Vdc ≤ V
10 Hz ≤ f ≤ 100 kHz
V
low
in
= 35 Vdc
= 0°C for MC78XXC, MC78XXAC,
= *40°C for NCV78XX, MC78XXB, MC78XXAB, and MC78XXAEB
O
O
in
in
in
≤ 1.5 A
≤ 1.0 A
in
in
in
in
in
≤ 22 Vdc
≤ 30 Vdc
≤ 25 Vdc, f = 120 Hz
≤ 27 Vdc
≤ 27 Vdc
≤ 30 Vdc
≤ 27 Vdc, I
≤ 30 Vdc, I
Characteristic
J
O
J
J
= 25°C)
= 25°C (Note 17)
= 1.0 A, T
= 25°C (Note 17)
J
A
= 25°C)
= 25°C)
O
O
O
≤ 1.0 A, P
A
= 1.0 A
= 1.0 A, T
J
= 25°C)
= 25°C)
MC7800, MC7800A, MC7800AE, NCV7800
D
J
≤ 15 W)
(V
= 25°C
in
= 19 V, I
O
Symbol
= 500 mA, T
Reg
V
Reg
TCV
http://onsemi.com
I
I
DI
RR
I
V
V
max
V
- V
r
I
SC
B
O
O
O
n
load
B
line
O
O
11
J
11.5
11.4
Min
= T
MC7812B/NCV7812B
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
low
to 125°C (Note 16), unless otherwise noted)
-0.8
Typ
7.5
2.2
1.6
3.4
2.0
1.1
0.2
2.2
12
12
60
10
-
-
-
-
-
O
due to heating effects must be taken into account
Max
12.5
12.6
240
120
240
8.0
1.0
0.5
-
-
-
-
-
-
-
-
-
-
Min
11.5
11.4
55
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MC7812C
-0.8
Typ
3.8
0.3
8.1
3.4
2.0
1.1
0.2
2.2
12
12
60
10
-
-
-
-
-
Max
12.5
12.6
6.5
0.7
0.8
0.5
24
24
48
60
-
-
-
-
-
-
-
-
mV/°C
mV/V
Unit
Vdc
Vdc
Vdc
mW
mV
mV
mA
mA
dB
A
A
O