MC7808CT Fairchild Semiconductor, MC7808CT Datasheet - Page 18

IC REG 8V 1A 4% TO-220

MC7808CT

Manufacturer Part Number
MC7808CT
Description
IC REG 8V 1A 4% TO-220
Manufacturer
Fairchild Semiconductor
Datasheet

Specifications of MC7808CT

Regulator Topology
Positive Fixed
Voltage - Output
8V
Voltage - Input
Up to 35V
Voltage - Dropout (typical)
2V @ 1A
Number Of Regulators
1
Current - Output
1A
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
8 V
Output Current
1 A
Line Regulation
160 mV
Load Regulation
160 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
Output Voltage Tolerance
+/- 4 %
Voltage Regulation Accuracy
4 %
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Current - Limit (min)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
MC7808CTFS

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MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7818A)
(Refer to the test circuits. 0 C < T
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
18
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
into account separately. Pulse testing with low duty is used.
Parameter
J
Regload
Symbol
Regline
V
< 125 C, I
V/ T
RR
I
I
V
V
Drop
I
r
SC
PK
Q
I
O
O
N
Q
o
T
I
V
V
I
V
T
T
I
I
I
T
V
V
I
I
f = 10Hz to 100KHz
T
f = 120Hz, I
V
I
f = 1KHz
V
T
O
O
O
O
O
O
O
O
=1A, V
J
J
J
J
A
J
I
I
I
I
I
I
I
= 21V to 33V
= 21V to 33V
= 35V, T
=+25 C
= 21V to 33V
= 21V to 33V, T
= 21V to 33V, I
= 22V to 32V
= 5mA to 1A, P
= 500mA
= 5mA to 1.5A
= 5mA to 1.0A
= 250mA to 750mA
= 5mA to 1.0A
= 5mA
= 1A, T
=+25 C
=+25 C
=+25 C
=+25 C
=+25 C
I
= 27V, C
J
Conditions
A
O
=+25 C
=+25 C
= 500mA
V
V
I
I
= 20.6V to 33V
= 24V to 30V
O
O
J
I
=+25 C
=0.33 F, C
= 500mA
15W
O
=0.1 F, unless otherwise specified)
O
due to heating effects must be taken
17.64
Min.
17.3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
-1.0
250
5.2
2.0
2.2
18
18
15
15
15
15
10
57
19
5
5
7
-
-
-
18.36
Max.
18.7
180
180
180
100
100
6.0
0.8
0.8
0.5
90
50
-
-
-
-
-
-
-
mV/ C
Unit
m
mV
mV
mA
mA
V/Vo
mA
dB
V
V
A

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