LM79XXLINEARINTEGRATEDCIRCUIT3TERMINAL1ANEGATIVEVOLTAGEREGULATOR
DESCRIPTION
TheContekLM79XXseriesofthree-terminalnegativeregulatorsareavailableinTO-220packageandwithseveralfixedoutputvoltage,makingthemusefulinawiderangeofapplication.Eachtypeemploysinternalcurrentlimiting,thermalshut-downandsafeareaprotection,makingitessentiallyindestructible.
1FEATURES
*Outputcurrentupto1A
*-5V;-6V;-8V;-12V;-15V;-18V;-24Voutputvoltageavailable*Thermaloverloadprotection*Shortcircuitprotection
TO-2201:GND2:Input3:Output
BLOCKDIAGRAM
GNDR1R2OUTPUTVoltagereferenceProtectioncircuitryRSCContekINPUTContekMicroelectronicsCo.,Ltd.CONTEK
http://www.contek-ic.comE-mail:sales@contek-ic.com1LM79XXPARAMETERInputvoltageThermalresistancejunction-airThermalresistancejunction-casesOperatingTemperatureStorageTemperatureLINEARINTEGRATEDCIRCUITC)ABSOLUTEMAXIMUMRATINGS(Ta=25SYMBOLViRqJARqJCToprTstgVALUE-356550~+125-65~+150UNITVC/WC/WCCContek7905ELECTRICALCHARACTERISTICS
(Refertotestcircuits,0(Refertotestcircuits,0http://www.contek-ic.comE-mail:sales@contek-ic.com2LM79XXLINEARINTEGRATEDCIRCUITTj=25C5.0mA(Refertotestcircuits,0(Refertotestcircuits,0http://www.contek-ic.comE-mail:sales@contek-ic.com3LM79XXLINEARINTEGRATEDCIRCUITTj=25C5.0mA(Refertotestcircuits,0(Refertotestcircuits,0http://www.contek-ic.comE-mail:sales@contek-ic.com4LM79XXLINEARINTEGRATEDCIRCUITTj=25C5.0mA(Refertotestcircuits,0C12.2mF1-Vi2C01mF-VoContekLM79XX3Fig.1Fixedoutputregulator+20V10.33mFContekLM78152+15V30.1mF1N40012.2mF2-20V11mF31N4001ContekLM7915-15VFig.2Splitpowersupply(+-15V,1A)
ContekMicroelectronicsCo.,Ltd.CONTEK
http://www.contek-ic.comE-mail:sales@contek-ic.com5LM79XXC12.2mFLINEARINTEGRATEDCIRCUITC32.5mF12-ViR1C21mFContekLM79XX3R2-VoFig.3Circuitforincreasingoutputvoltage
ContekMicroelectronicsCo.,Ltd.CONTEK
http://www.contek-ic.comE-mail:sales@contek-ic.com6
