MC7818CT Fairchild Semiconductor, MC7818CT Datasheet - Page 19

• 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

3.0
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
30
Input/Output Differential Voltage (MC78XXC, AC, B)
0
0.01
V
4.0
in
Figure 2. Peak Output Current as a Function of
-V
Figure 4. Ripple Rejection as a Function of
6.0
out
, INPUT/OUTPUT VOLTAGE DIFFERENTIAL (V)
8.0
Frequency (MC78XXC, AC, B)
10
0.1
f, FREQUENCY (kHz)
T
J
= 85°C
V
I
f = 120 Hz
T
O
MC78XXB, C, AC
12
in
A
= 500 mA
= 25°C
= 8.0 V to 18 V
T
15
J
8.20
8.15
8.10
8.05
8.00
7.95
7.90
7.85
7.80
= 125°C
MC7800, MC7800A, MC7800AE, NCV7800
-40 -20
20
T
J
V
I
O
= -40°C
in
1.0
= 1.0 mA
Figure 6. Output Voltage as a Function of
= 14 V
25
T
Junction Temperature (MC7808AE)
J
= 0°C
0
30
T
T
J
J
20
, JUNCTION TEMPERATURE (5C)
= 25°C
35
http://onsemi.com
40
40
10
60
19
80
5.0
4.9
4.8
100 120 140 160 180
80
70
60
50
40
-60
4.0
Figure 3. Ripple Rejection as a Function of
PART #
MC7805C = 10 V
MC7806C = 11 V
MC7808C = 14 V
MC7812C = 19 V
MC7815C = 23 V
MC7818C = 27 V
MC7824C = 33 V
Figure 5. Output Voltage as a Function of
Junction Temperature (MC7805C, AC, B)
6.0
Output Voltages (MC78XXC, AC, B)
-20
8.0
T
J
, JUNCTION TEMPERATURE (°C)
V
V
in
10
O
20
, OUTPUT VOLTAGE (V)
12
60
14
16
100
f = 120 Hz
I
DV
O
V
I
O
18
= 20 mA
in
in
= 5.0 mA
= 20 V
= 1.0 V(RMS)
20
140
22
180
24