MC7818CT Fairchild Semiconductor, MC7818CT Datasheet - Page 18

• 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

30. T
31. 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 (Note 31)
Load Regulation (Note 31)
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.
27.3 Vdc ≤ V
27 Vdc ≤ V
30 Vdc ≤ V
30 Vdc ≤ V
26.7 Vdc ≤ V
5.0 mA ≤ I
5.0 mA ≤ I
250 mA ≤ I
27.3 Vdc ≤ V
27 Vdc ≤ V
5.0 mA ≤ I
28 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
O
O
in
in
in
in
in
≤ 1.5 A, T
≤ 1.0 A
≤ 1.0 A
in
in
≤ 750 mA
in
≤ 38 Vdc, I
≤ 36 Vdc, I
≤ 36 Vdc, T
≤ 38 Vdc, T
≤ 38 Vdc, f = 120 Hz, I
≤ 38 Vdc
≤ 38 Vdc, I
≤ 38 Vdc, I
J
O
= 25°C)
= 1.0 A, T
J
A
J
= 25°C)
= 25°C
= 25°C)
O
O
O
Characteristic
J
J
O
O
= 500 mA
= 1.0 A
≤ 1.0 A, P
= 25°C
= 25°C
A
= 1.0 A, T
= 500 mA
J
= 25°C)
= 25°C)
MC7800, MC7800A, MC7800AE, NCV7800
O
D
J
= 500 mA
≤ 15 W)
(V
= 25°C
in
= 33 V, I
O
= 1.0 A, T
http://onsemi.com
J
18
= T
low
to 125°C (Note 30), unless otherwise noted)
Symbol
Reg
V
Reg
TCV
I
I
DI
RR
I
V
V
max
V
- V
r
I
SC
B
O
O
O
n
load
B
line
O
O
O
due to heating effects must be taken into account
23.5
23.2
Min
45
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MC7824AC
-2.0
11.5
Typ
3.8
3.8
2.1
2.0
1.8
3.6
2.0
1.4
0.2
2.2
24
24
10
54
10
-
-
-
Max
24.5
25.8
6.0
0.8
0.8
0.5
25
28
12
25
15
25
15
-
-
-
-
-
-
-
mV/°C
mV/V
Unit
Vdc
Vdc
Vdc
mW
mV
mV
mA
mA
dB
A
A
O