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LM78XXA

Part Number	LM78XXA
Manufacturer	Fairchild Semiconductor
Description	3-Terminal 1A Positive Voltage Regulator
Published	Mar 8, 2007
Detailed Description	www.DataSheet4U.com LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator May 2006 LM78XX/LM78XXA 3-Terminal 1A Pos...
Datasheet	LM78XXA PDF File

Overview

www.
DataSheet4U.
com LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator May 2006 LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Features ■ Output Current up to 1A ■ Output Voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24 ■ Thermal Overload Protection ■ Short Circuit Protection ■ Output Transistor Safe Operating Area Protection General 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.
Each type employs internal current limiting, thermal shut down and safe operating area protection, making it essentially indestructible.
If adequate heat sinking is provided, they can deliver over 1A output current.
Although designed primarily as ﬁxed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.
Ordering Information Product Number LM7805CT LM7806CT LM7808CT LM7809CT LM7810CT LM7812CT LM7815CT LM7818CT LM7824CT LM7805ACT LM7806ACT LM7808ACT LM7809ACT LM7810ACT LM7812ACT LM7815ACT LM7818ACT LM7824ACT ±2% 0°C to +125°C Output Voltage Tolerance ±4% Package TO-220 Operating Temperature -40°C to +125°C ©2006 Fairchild Semiconductor Corporation 1 www.
fairchildsemi.
com LM78XX/LM78XXA Rev.
1.
0.
1 LM78XX/LM78XXA 3-Terminal 1A Positive Voltage Regulator Block Diagram Input 1 Current Generator SOA Protection Series Pass Element Output 3 Starting Circuit Reference Voltage Error Amplifier Thermal Protection GND 2 Figure 1.
Pin Assignment TO-220 GND 1 1.
Input 2.
GND 3.
Output Figure 2.
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 VI RθJC Rθ...

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