7808
Three-terminal positive voltage regulator
TO-220
1. IN
2. GND
3. OUT
Features
1
2
3
Dimensions in inches and (millimeters)
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Input Voltage
Thermal resistance junction-air
Thermal resistance junction-cases
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V
i
R
θJA
R
θJC
T
OPR
T
STG
Value
35
65
5
0-125
-65-150
Unit
V
℃/W
℃/W
℃
℃
Maximum Output current I
OM
: 1.5 A
Output voltage V
o
: 8 V
Continuous total dissipation
2 W (T
a
= 25
℃)
P
D
:
15W (T
c
=25
℃)
ELECTRICAL CHARACTERISTICS
(Vi=14V,Io=500mA, Ci=0.33μF, Co=0.1μF, unless otherwise specified )
Parameter
Output voltage
Symbol
Vo
Test conditions
25℃
10.5V≤V
i
≤23V,
Io=5mA-1A,
P≤15W
Io=5mA-1.5A
Io=250mA-750mA
Line regulation
Quiescent Current
Quiescent Current Change
Output voltage drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output resistance
Short Circuit Current
Peak Current
TYPICAL APPLICATION
∆Vo
Iq
∆Iq
∆V
O
/∆T
V
N
RR
Vd
R
O
Isc
Ipk
Vi
1
7808
UTC
2
Ci
0.33μF
Co
0.1μF
3
10.5V≤V
i
≤25V
11V≤V
i
≤17V
0-125℃
25℃
25℃
25℃
25℃
25℃
MIN
7.7
7.6
TYP
8
8
12
4
6
2
4.3
MAX
8.3
8.4
160
80
160
80
8
1
0.5
-0.8
52
55
72
2
10
450
2.2
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
mV/℃
uV
dB
V
mΩ
mA
A
Load Regulation
∆Vo
10.5V≤V
i
≤25V
5mA≤I
O
≤1A
I
O
=5mA
10Hz≤f≤100KHz
11.5V≤V
i
≤21.5V,f=120Hz
Io=1A
f=1KH
Z
0-125℃
0-125℃
0-125℃
25℃
0-125℃
25℃
25℃
25℃
25℃
Vo
Revision:20170701-P1
ht
t
p
:
//
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