LTO
-
DMS
LM7808C
Three-Terminal Positive Voltage Regulators
Features
* Output current at 1.0 Ampere
* No external components required
* Internal thermal overload protection
* Internal short-circuit current limiting
* Output voltage offered in 4% tolerance
Maximum Ratings
Parameter
Symbol
Value
Unit
Input Voltage
V1
30
V
Operating Ambient Temperature
PD
15
W
Operating Junction Temperature
TOPR
-20to+70
°
C
Storage Temperature Range
TSTG
-55to+125
°
C
Mechanical Data
* Case: TO-220AB Molded Plastic
* Terminals: Plated Lead Solderable per MIL-STD-202, Method 208
* Marking: Type Number
* Weight: 2.24 grams (approx)
LTO-DMS Semiconductor Corporation
1468, 86th Street, Brooklyn,
New York, 11228, USA
Tel: (718) 234 6010 / (707) 3223 4679
Fax:(718) 234 6013 / (707) 3223 6696
Dimensions
INCHES MM
MAX
0.620.
0.405
0.120
0.255
0.365
0.155
0.562
0.105
0.035
0.025
0.147
0.190
0.055
0.102 typ
DIM
MIN
0.570
0.380
0.100
0.235
0.335
0.110
0.500
0.095
0.025
0.016
0.142
0.160
0.045
MIN
14.48
9.66
2.54
5.97
8.51
2.80
12.70
2.42
0.64
0.41
3.61
4.06
1.14
2.6 typ
MAX
15.75
10.28
3.04
6.48
9.27
3.93
14.27
2.66
0.89
0.64
3.37
4.82
1.39
NO
TE
A
B
C
D
E
F
G
H
I
J
K
L
M
N
PIN1:INPUT
PIN2:GND
PIN3:OUTPUT
TO-220
Electrical Characteristics
Parameter
Sym
Min
7.68V
Typ
8.0V
Max
8.32V
Test conditions
Tj=25°C
V1
23V, 5mA
Output Voltage
V
o
7.74V
8.26V
10.5V
1.0A
PD=15W
5mA
250mA
10.5V
11V
Tj=25°C,Io=0
10.5V
5mA
Io
10Hz
f=120Hz
Io=1.0A,Tj=25°C
f=1.0KHz
Tj=25°C
Tj=25°C
Io
12mV
4.0mV
6.0mV
2.0mV
4.3mA
160mV
60mV
160mV
80mV
8.0mA
1.0mA
0.5mA
Io
1.5A, Tj=25°C
Io
750mV, Tj=25°C
V1
25V, Tj=25°C
V1
17V, Tj=25°C
Load Regulation
V
o
Line regulation
V
o
Quiescent Current
I
q
Quiescent Current Change
I
q
V1
25V
1.0A
100KHz, Tj=25°C
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Short Circuit Current
Output Short Circuit Current
Peak Output Current
V
N
RR
V
d
R
O
I
OS
I
opeak
52
72dB
2.0V
16mohm
450mA
2.2A
V
f
56dB
Temperature Coefficient of Output voltage
V
O
/ T
j
1.8mV/°C
0°C
V1
125°C, Io=5mA
Revision: 1
2002/06/17