MC78T05 Fairchild, MC78T05 Datasheet - Page 3

• Manufacturer Part Number: MC78T05
• Description: 3-Terminal 3A Positive Voltage Regulator
• Manufacturer: Fairchild

Electrical Characteristics(MC78T12)
(V
Note:
1. Although power dissipation is internally limited, specifications apply only for P
2. Load and line regulation are specified at constant junction temperature. Change in Vo due heating effects must be taken into
Parameter
Output Voltage
Line Regulation (Note2)
Load Regulation (Note2)
Thermal Regulation
Quiescent Current
Quiescent Current Change
Ripple Rejection
Dropout Voltage
Output Noise Voltage
Peak Output Current
Output Resistance
Short Circuit Current Limit
Average Temperature
Coefficient of Output Voltage
I
account separately. Pulse testing with low duty is used. ( P
= 19V, I
O
= 3.0 A, 0 C
T
J
Symbol
REG
+125 C, Po
V
RR
I
V
V
Vo
Ro
Isc
I
PK
O
V
V
Q
I
D
N
Q
O
O
/ T Io = 5.0mA
T
5mA
14.5V
14.5V
14.5V
14.9V
16V
5mA
5mA
Pulse =10ms, P = 20W
TA = +25 C
5mA
5mA
14.5V
T
14.9V
5mA
f = 120Hz, 15V
T
Io = 3A,T
T
T
f = 1.0kHz
VI = 35V, T
J
J
A
A
=+25 C ;
=+25 C
=+25 C, 10Hz
=+25 C
P
VI
MAX
Io
Io
Io
Io
Io
Io
VI
VI
VI
VI
VI
VI
J
=+25 C
22V, Io =3.0A, T
J
(Note1), unless otherwise specified. )
3.0A , T
3.0A, T
3.0A
3.0A, T
3.0A
3.0A, T
27V, 5mA
35V, Io=5mA, T
35V, Io=1.0A, T
28V, Io =2.0A, T
35V, Io = 5mA
27V, Io =2.0A ;
=+25 C
(Continued)
Conditions
MAX
V
J
J
J
= 25W)
I
J
f
=+25 C
=+25 C
=+25 C
=+25 C
25V, Io
100kHz
Io
J
J
J
=+25 C
J
2.0A
O
=+25 C
=+25 C
=+25 C
2.0A
Pmax, Pmax = 25W
Min.
11.5
11.4
-
-
-
-
-
-
-
-
-
-
-
-
0.002
Typ.
6.0
3.5
4.0
0.1
2.2
5.0
2.0
1.5
0.5
12
12
10
15
67
10
Max.
12.5
12.8
0.03
5.0
6.0
0.8
2.5
2.5
45
30
80
-
-
-
-
-
MC78TXX
%Vo/W
mV/ C
Unit
V/Vo
m
mV
mV
mV
mA
mA
mA
dB
V
V
A
A
3