Seme LAB LM7808 8 volt positive voltage regulator Datasheet

SEME
LM7808
LAB
MECHANICAL DATA
Dimensions in mm
8 VOLT POSITIVE
VOLTAGE REGULATOR
4.6
1 0.6
FEATURES
3.6
Dia.
1 0 .6
1 3 .5
16.5
0.8
• HERMETIC TO220 METAL OR CERAMIC
SURFACE MOUNT PACKAGES
1 23
1 3 .7 0
• SCREENING OPTIONS AVAILABLE
• ALL LEADS ISOLATED FROM CASE
(METAL PACKAGE)
1.0
2 .5 4
BSC
4 .1 4 (0 .1 6 3 )
3 .8 4 (0 .1 5 1 )
0 .8 9
(0 .0 3 5 )
m in .
3 .7 0 (0 .1 4 6 )
3 .4 1 (0 .1 3 4 )
3 .6 0 (0 .1 4 2 )
M a x .
3
• OUTPUT CURRENT UP TO 1.5A
• THERMAL OVERLOAD PROTECTION
1 6 .0 2 (0 .6 3 1 )
1 5 .7 3 (0 .6 1 9 )
1
1 0 .6 9 (0 .4 2 1 )
1 0 .3 9 (0 .4 0 9 )
0 .7 6
(0 .0 3 0 )
m in .
3 .7 0 (0 .1 4 6 )
3 .4 1 (0 .1 3 4 )
• 8 VOLT REGULATOR
2. 70
BSC
2
• SHORT CIRCUIT PROTECTION
• OUTPUT TRANSISTOR SOA PROTECTION
9 .6
9 .3
1 1 .5
1 1 .2
PIN 1 - Input
TO220M
SMD1
7 (0
8 (0
8 (0
8 (0
.3 8
.3 6
.4 5
.4 4
1 )
9 )
6 )
4 )
PIN 2 -Ground
0 .5 0 (0 .0 2 0 )
0 .2 6 (0 .0 1 0 )
PIN 3 - Output
- TO220 Metal Package - Isolated
- Ceramic Surface Mount Package
Also available in TO39 Package.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
35V
Vi
DC Input Voltage
IO
Output Current
Internally limited
PD
Power Dissipation
Internally limited
Tj
Junction Temperature
150°C
Tstg
Storage Temperature
–65 to 150°C
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: [email protected]
Website: http://www.semelab.co.uk
Prelim. 7/00
SEME
LM7808
LAB
ELECTRICAL CHARACTERISTICS (Tcase = 25°C unless stated)
OUTPUT VOLTAGE
8
INPUT VOLTAGE
14
(unless otherwise specified)
Parameter
VO
Test Conditions
Tj = 25°C
Output Voltage
IO = 5mA to 1A
PO £ 15W
Min.
Typ.
Max.
7.7
8
8.3
7.6
8
8.4
Unit
V
(Vi = 11.6 to 23V)
80
VO Line Regulation
(Vi = 10.5 to 25V)
Tj = 25°C
D
40
mV
(Vi = 11 to 17V)
VO Load Regulation
IO = 5mA to 1.5A
Tj = 25°C
100
IO = 250 to 750 mA
Tj = 25°C
50
mV
D
Id
Quiescent Current
Tj = 25°C
Quiescent Current Change
IO = 5mA to 1A
8
mA
0.5
Id
D
1
mA
(Vi = 11.5 to 25V)
VO
Output Voltage Drift
DT
IO = 5mA
eN
B = 10Hz to 100kHz
D
Output Noise Voltage
SVR Supply Voltage Rejection
Vd
Tj = 25°C
40
62
f = 100Hz
IO = 1A
Dropout Voltage
mV
/
°C
–1
(Vi = 11.5 to 21.5V)
m
V
dB
Tj = 25°C
2
V
Tj = 25°C
750
mA
2.2
A
VO = 100mV
D
Isc
Short Circuit Current
VI = 35V
Iscp Short Circuit Peak Current
Tj = 25°C
THERMAL DATA
RTHj-case
Thermal Resistance Junction – Case
Max. 3°C / W
RTHj-amb
Thermal Resistance Junction – Ambient
Max. 50°C / W
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: [email protected]
Website: http://www.semelab.co.uk
Prelim. 7/00
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