Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
FEATURES
HERMETIC TO220 METAL OR CERAMIC
SURFACE MOUNT PACKAGES
SCREENING OPTIONS AVAILABLE
ALL LEADS ISOLATED FROM CASE
(METAL PACKAGE)
8 VOLT REGULATOR
8 VOLT POSITIVE
VOLTAGE REGULATOR
OUTPUT CURRENT UP TO 1.5A
THERMAL OVERLOAD PROTECTION
SHORT CIRCUIT PROTECTION
OUTPUT TRANSISTOR SOA PROTECTION
V
i
DC Input Voltage
I
O
Output Current
P
D
Power Dissipation
T
j
Junction Temperature
T
stg
Storage Temperature
35V
Internally limited
Internally limited
150C
65 to 150C
MECHANICAL DATA
Dimensions in mm
PIN 1 - Input
PIN 2 -Ground
PIN 3 - Output
TO220M
- TO220 Metal Package - Isolated
SMD1
- Ceramic Surface Mount Package
Also available in TO39 Package.
ABSOLUTE MAXIMUM RATINGS
(Tcase = 25C unless otherwise stated)
Prelim. 7/00
LM7808
LAB
SEME
16.
5
13.
5
10.
6
13.
70
2 . 5 4
B S C
1 0. 6
3 . 6
D ia .
0 . 8
4 . 6
1 . 0
2. 70
B S C
1 2 3
3 . 6 0 ( 0 . 1 4 2 )
M a x .
3 . 7 0 ( 0 . 1 4 6 )
3 . 4 1 ( 0 . 1 3 4 )
3 . 7 0 ( 0 . 1 4 6 )
3 . 4 1 ( 0 . 1 3 4 )
0 . 8 9
( 0 . 0 3 5 )
m i n .
4.
14
(
0.
163)
3.
84
(
0.
151)
10.
69
(
0
.
4
21)
10.
39
(
0
.
4
09)
9 . 6 7 ( 0 . 3 8 1 )
9 . 3 8 ( 0 . 3 6 9 )
1 1 . 5 8 ( 0 . 4 5 6 )
1 1 . 2 8 ( 0 . 4 4 4 )
16.
02
(
0
.
6
31)
15.
73
(
0
.
6
19)
0 . 5 0 ( 0 . 0 2 0 )
0 . 2 6 ( 0 . 0 1 0 )
0.
76
(
0
.
030) mi
n
.
1
3
2
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
V
O
D
V
O
D
V
O
I
d
D
I
d
D
V
O
D
T
e
N
SVR
V
d
I
sc
I
scp
T
j
= 25C
I
O
= 5mA to 1A
P
O
15W
T
j
= 25C
I
O
= 5mA to 1.5A
T
j
= 25C
I
O
= 250 to 750 mA
T
j
= 25C
T
j
= 25C
I
O
= 5mA to 1A
I
O
= 5mA
B = 10Hz to 100kHz
T
j
= 25C
f = 100Hz
I
O
= 1A
T
j
= 25C
D
V
O
= 100mV
V
I
= 35V
T
j
= 25C
T
j
= 25C
7.7
8
8.3
7.6
8
8.4
(V
i
= 11.6 to 23V)
80
(V
i
= 10.5 to 25V)
40
(V
i
= 11 to 17V)
100
50
8
0.5
1
(V
i
= 11.5 to 25V)
1
40
62
(V
i
= 11.5 to 21.5V)
2
750
2.2
INPUT VOLTAGE
(unless otherwise specified)
14
8
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
Short Circuit Current
Short Circuit Peak Current
OUTPUT VOLTAGE
ELECTRICAL CHARACTERISTICS
(Tcase = 25C unless stated)
THERMAL DATA
R
THj-case
Thermal Resistance Junction Case
Max. 3C / W
R
THj-amb
Thermal Resistance Junction Ambient
Max. 50C / W
Prelim. 7/00
LAB
SEME
V
mV
mV
mA
mA
mV
/
C
m
V
dB
V
mA
A
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
LM7808
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