LM7808 Fairchild Semiconductor, LM7808 Datasheet - Page 2

• Manufacturer Part Number: LM7808
• Description: The LM78XX series of three terminal positive regulators are available in the TO-220 package and with several fixed output voltages, making them useful in a wide range of applications
• Manufacturer: Fairchild Semiconductor

LM78XX/LM78XXA Rev. 1.1
Block Diagram
Pin Assignment
Absolute Maximum Ratings
Absolute maximum ratings are those values beyond which damage to the device may occur. The datasheet
specifications should be met, without exception, to ensure that the system design is reliable over its power supply,
temperature, and output/input loading variables. Fairchild does not recommend operation outside datasheet
specifications.
Symbol
T
T
R
R
OPR
STG
V
θJC
θJA
I
Input
1
Input Voltage
Thermal Resistance Junction-Cases (TO-220)
Thermal Resistance Junction-Air (TO-220)
Operating Temperature
Range
Storage Temperature Range
Starting
Circuit
Generator
Reference
Voltage
Current
Parameter
1
V
V
LM78xx
LM78xxA
O
O
Figure 1.
Figure 2.
= 5V to 18V
= 24V
Amplifier
2
Error
TO-220
1. Input
2. GND
3. Output
GND
Protection
Protection
Thermal
SOA
(Single Gauge)
Series Pass
Element
-40 to +125
-65 to +150
0 to +125
Value
35
40
65
5
Output
GND
3
2
www.fairchildsemi.com
°C/W
°C/W
Unit
°C
°C
V
V