MC78M18CT Fairchild Semiconductor, MC78M18CT Datasheet - Page 5

• Manufacturer Part Number: MC78M18CT
• Description: IC REGULATOR 18V 0.5A TO-220
• Manufacturer: Fairchild Semiconductor

Specifications of MC78M18CT

• Regulator Topology: Positive Fixed
• Voltage - Output: 18V
• Voltage - Input: Up to 35V
• Voltage - Dropout (typical): 2V @ 500mA
• Number Of Regulators: 1
• Current - Output: 500mA
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-3 (Straight Leads)
• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Fixed
• Output Voltage: 18 V
• Output Current: 0.5 A
• Line Regulation: 100 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
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Electrical Characteristics (MC78M12)
(Refer to the test circuits, 0 < T
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
into account separately. Pulse testing with low duty is used.
J
Symbol
< +125 C, I
V/ T
I
RR
I
V
V
V
I
SC
PK
V
V
Q
I
O
N
D
Q
O
O
O
T
I
V
I
T
I
I
T
I
I
V
I
T
f = 10Hz to 100kHz
f = 120Hz, I
V
T
T
T
O
O
O
O
O
O
O
=350mA, V
J
J
J
J
J
J
J
I
I
I
= 14.5V to 27V
= 14.5V to 30V
= 15V to 25V, T
= 5mA to 350mA
= 200mA
= 5mA to 0.5A, T
= 5mA to 200mA, T
= 5mA to 350mA
= 200mA
= 5mA
= +25 C
=+25 C
= +25 C, V
= +25 C
= 0 to +125 C
=+25 C, I
= +25 C
O
Conditions
(Continued)
I
O
=19V, unless otherwise specified, C
= 300mA
I
= 500mA
= 35V
V
V
J
I
I
= 14.5V to 30V
= 16V to 30V
J
=+25 C
= +25 C
J
= +25 C
o
due to heating effects must be taken
Min.
11.5
11.4
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
-0.5
300
700
4.1
12
12
75
80
I
2
-
-
-
-
-
-
=0.33 F, C
MC78MXX/LM78MXX
Max.
12.5
12.6
100
240
120
6.0
0.5
0.8
50
-
-
-
-
-
-
O
=0.1 F)
mV/ C
Unit
V/Vo
mV
mV
mA
mA
mA
mA
dB
V
V
5