7805
THREE-TERMINAL POSITIVE VOLTAGE REGULATOR IC
FEATURES:
- OUTPUT CURRENT IN EXCESS OF 1A;
- NO EXTERNAL COMPONENTS REQUIRED;
- INTERNAL SHORT CIRCUIT CURRENT LIMITING;
- INTERNAL THERMAL OVERLOAD PROTECTION;
- OUTPUT TRANSISTOR SAFE-AREA COMPENSATION;
- OUTPUT VOLTAGE OFFERED IN 4% TOLERANCE
.
ABSOLUTE MAXIMUM RATINGS (Ta= 25
C)
Characteristic Symbol
Norm
Unit
Input Voltage
Vin
V
35
Maximum Dissipated
Power(with heat sink)
Ptot(max) W
15
Maximum Dissipated
Power(without heat sink)
Ptot(max) W
1.5
Thermal Resistance
Junction to Case
OjC C/W
5.0
Thermal Resistance,
Junction to Air
OjA C/W
65
Junction Temperature
T
j
150 C
TO-220
1
1. Input
2. GND
3. Output
Tc=-45
+70C
ELECTRICAL CHARACTERISTICS
(Vin=10V,Io=0.5A,Ci=0.33mkF,Co=0.1mkF,Tj=0+125C, unless otherwise noted.)
Characteristic
Symbo
l
Norm Unit
Min
TYP
Max
Output Voltage(Tj=25C)
Vo 4.8
5.2
V
Output Voltage (5.0mA
Io
1.0A,Po
15W)
7.0V
Vin
20V
Vo
4.75
5.25
V
Line Regulation(Tj=+25C)
7.0V
Vin
25 V
8.0 V
Vin
12 V
Vv
100
50
mV
Load Regulation(Tj=+25C)
5.0mA
Io
1.5A
0.25A
Io
0.75A
Vi
100
50
mV
Quiescent Current(Tj=+25C)
Ib
8.0
mA
Quiescent Current Change7.0 V
Vin
25 V
5.0mA
Io
1.0 A
Ib
1.3
0.5
mA
Dropout Voltage(Io=1.0A,Tj=+25C)
Vi-Vo
2.0
V
Short Circuit Current Limit(Ta=+25C),Vin=35V
Is 0.4
A
Peak Output Current(Tj=+25C)
Imax
2.2
A
Average Temperature Coefficient of Output Voltage TCVo
0.3
mV/C
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