MC78T12CT ON Semiconductor, MC78T12CT Datasheet - Page 3

• Manufacturer Part Number: MC78T12CT
• Description: IC REG VOLT POS 3A 12V TO220AB
• Manufacturer: ON Semiconductor

Specifications of MC78T12CT

• Regulator Topology: Positive Fixed
• Voltage - Output: 12V
• Voltage - Input: Up to 35V
• Voltage - Dropout (typical): 2.2V @ 3A
• Number Of Regulators: 1
• Current - Output: 3A
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-3 (Straight Leads)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Limit (min): -
• Other names: MC78T12CTOS

NOTES: 1. Although power dissipation is internally limited, specifications apply only for P
ELECTRICAL CHARACTERISTICS
Output Voltage
Line Regulation (Note 2)
Load Regulation (Note 2)
Thermal Regulation
Quiescent Current
Quiescent Current Change
Ripple Rejection
Dropout Voltage (I
Output Noise Voltage
Output Resistance (f = 1.0 kHz)
Short Circuit Current Limit
Peak Output Current (T
Average Temperature Coefficient of Output Voltage (I
(5.0 mA
(5.0 mA
5.0 mA
(10.3 Vdc
10.3 Vdc
11 Vdc
10.7 Vdc
(5.0 mA
(5.0 mA
(Pulse = 10 ms, P = 20 W, T
(5.0 mA
(5.0 mA
(10.3 Vdc
5.0 mA
10.7 Vdc
(11 Vdc
(10 Hz
(V
in
2. Line and load regulation are specified at constant junction temperature. Changes in V
= 35 Vdc, T
Pulse testing with low duty cycle is used.
f
V
I
I
O
O
V
I
I
I
I
I
I
O
O
in
O
O
O
O
V
V
V
in
V
V
in
in
in
100 kHz, T
in
in
2.0 A, 10.4 Vdc
3.0 A, T
3.0 A, T
3.0 A;
17 Vdc, I
3.0 A, T
3.0 A)
3.0 A, T
3.0 A)
21 Vdc, f = 120 Hz, I
O
J
35 Vdc, I
23 Vdc, I
23 Vdc, I
35 Vdc, I
35 Vdc, I
= +25 C)
= 3.0 A, T
J
J
J
J
J
= +25 C)
= +25 C;
O
J
= +25 C)
= +25 C)
= +25 C)
= +25 C)
O
O
O
= 3.0 A, T
O
O
J
= 1.0 A, T
= 1.0 A)
= 1.0 A)
A
= 5.0 mA, T
= 5.0 mA, T
Characteristics
= +25 C)
= +25 C)
V
in
J
O
= +25 C
23 Vdc)
J
= 2.0 A, T
(V
= +25 C
J
J
in
= +25 C
= +25 C;
= 13 V, I
J
= 25 C)
O
O
= 5.0 mA)
= 3.0 A, 0 C
MC78T00 Series
http://onsemi.com
3
T
J
125 C, P
O
P
max
O
Reg
Symbol
, P
Reg
Reg
V
O
TCV
due to heating effects must be taken into account separately.
in
I
RR
I
V
R
max
max
V
I
SC
–V
therm
B
I
O
O
load
n
P
B
line
O
max
O
= 25 W.
[Note 1], unless otherwise noted.)
Min
7.7
7.6
60
–
–
–
–
–
–
–
–
–
–
–
–
–
MC78T08C
0.002
Typ
8.0
8.0
4.0
3.5
4.0
0.3
2.2
2.0
1.5
5.0
0.3
10
15
71
10
Max
0.03
8.3
8.4
5.0
6.0
1.0
2.5
35
30
80
–
–
–
–
–
–
%V
mV/ C
Unit
Vdc
Vdc
V/V
m
mV
mV
mA
mA
dB
A
A
O
/W
O