MC78T05 Fairchild, MC78T05 Datasheet - Page 2
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MC78T05
Manufacturer Part Number
MC78T05
Description
3-Terminal 3A Positive Voltage Regulator
Manufacturer
Fairchild
Datasheet
1.MC78T05.pdf
(8 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC78T05ABT
Manufacturer:
ON
Quantity:
3 000
MC78TXX
Absolute Maximum Ratings
Note:
1. Thermal resistance test board
2. Assume no ambient airflow.
Electrical Characteristics(MC78T05)
(V
Note:
3. Although power dissipation is internally limited, specifications apply only for P
4. Load and line regulation are specified at constant junction temperature. Change in Vo due heating effects must be taken into
2
Parameter
Input Voltage (for V
(for V
Power Dissipation
Thermal Resistance, Junction to Air (Note1, 2)
Ta = +25 C
Thermal Resistance, Junction to Case (Note1)
Tc = +25 C
Operating Junction Temperature Range
Storage Temperature Range
Parameter
Output Voltage
Line Regulation (Note4)
Load Regulation (Note4)
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
Size: 76.2mm * 114.3mm * 1.6mm(1S0P)
JEDEC standard: JESD51-3, JESD51-7
account separately. Pulse testing with low duty is used.
= 10V, I
O
= 15V)
O
= 3.0 A, 0 C
O
= 5V to 12V)
T
J
Symbol
REG
+125 C, Po
V
RR
I
V
V
Ro
Isc
Vo
I
PK
O
V
V
Q
I
D
N
Q
/ T Io = 5.0mA
O
O
T
5mA
7.3V
7.2V
7.2V
7.5V
8.0V
5mA
5mA
Pulse =10ms, P = 20W
T
5mA
5mA
7.2V
T
7.5V
5mA
f = 120Hz, 8V
T
Io = 3A ,T
T
T
f = 1.0kHz
VI = 35V, T
A
J
J
A
A
= +25 C ;
= +25 C
= +25 C
= +25 C, 10Hz
= +25 C
P
MAX
Io
VI
VI
VI
VI
VI
Io
Io
Io
Io
VI
VI
Io
J
J
= +25 C
(Note3), unless otherwise specified. )
3.0A , T
3.0A , T
3.0A
3.0A , T
3.0A
3.0A, T
20V, 5mA
35V , Io=5mA, T
35V , Io=1.0A, T
20V, Io =2.0A, T
12V, Io =3.0A, T
35V, Io = 5mA
20V, Io =2.0A ;
=+25 C
Conditions
Symbol
V
R JA
R JC
T
I
PD
STG
J
T
V
J
J
J
J
= +25 C
I
18V, I
f
= +25 C
= +25 C
= +25 C
100kHz
Io
o
J
J
J
J
2.0A
=+25 C
= +25 C
= +25 C
= +25 C
O
2.0A
Internally limited
Pmax, Pmax = 25W
-65 ~ +150
0 ~ +125
Value
2.5
35
40
65
Min.
4.75
4.8
-
-
-
-
-
-
-
-
-
-
-
-
0.002
Typ.
5.0
5.0
3.0
3.5
4.0
0.1
2.2
5.0
2.0
1.5
0.2
10
15
75
10
Max.
5.25
0.03
5.2
5.0
6.0
0.8
2.5
2.5
25
30
80
-
-
-
-
-
Unit
C/W
C/W
V
V
C
C
%Vo/W
mV/ C
Unit
mV
mV
mV
mA
mA
mA
V/Vo
m
dB
V
V
A
A