Features

7805
Three-terminal positive voltage regulator
TO-220
1.IN
2.GND
1
Features
—
—
—
2
3.OUT
3
Maximum Output current IOM: 1.5 A
Output voltage Vo: 5V
Continuous total dissipation
2 W (Ta = 25 ℃)
PD:
15 W(Tc = 25 ℃)
Dimensions in inches and (millimeters)
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Input Voltage
Value
Vi
Unit
35
V
Thermal resistance junction-air
RθJA
65
℃/W
Thermal resistance junction-cases
RθJC
5
℃/W
Operating Junction Temperature Range
TOPR
0-125
℃
TSTG
-65-150
℃
Storage Temperature Range
ELECTRICAL CHARACTERISTICS (Vi=10V,Io=500mA,Ci=0.33μF, Co=0.1μF, unless otherwise specified )
Parameter
Output voltage
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Output voltage drift
Symbol
Vo
Test conditions
7V≤V i≤20V, Io=5mA-1A,
P≤15W
△Vo
△Vo
VN
MAX
UNIT
25℃
4.8
5.0
5.2
V
0-125℃
4.75
5.00
5.25
V
25℃
9
100
mV
Io=250mA-750mA
25℃
4
50
mV
7V≤V i≤25V
25℃
4
100
mV
8V≤V i≤12V
25℃
1.6
50
mV
25℃
5
8
mA
7V≤V i≤25V
0-125℃
0.3
1.3
mA
5mA≤I O≤1A
0-125℃
0.03
0.5
mA
25℃
42
uV
IO=5mA
0-125℃
-1.1
mV/℃
0-125℃
73
dB
10Hz≤f≤100KHz
△Vo/△T
TYP
Io=5mA-1.5A
Iq
△Iq
MIN
Ripple Rejection
RR
8V≤V i≤18V,f=120Hz
Dropout Voltage
Vd
Io=1A
25℃
2
V
Output resistance
RO
f=1KHZ
25℃
10
mΩ
Short Circuit Current
Isc
25℃
230
mA
Peak Current
Ipk
25℃
2.2
A
TYPICAL APPLICATION
Vi
1
3
Vo
7805
UTC
2
Ci
0.33μF
Co
0.1μF
62
7805
Three-terminal positive voltage regulator
Typical Characteristics