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