Part # LM7909 datasheet

Part Manufacturer: Fairchild Semiconductor

Fairchild Semiconductor

Part Description: LMC79XX MC79XXA LM79XX 3-Terminal 1A Negative Voltage Regulator

Part Details: LM79XX 3-Terminal 1A Negative Voltage Regulator Features Description · Output Current in Excess of 1A The LM79XX series of three terminal negative regulators · Output Voltages of -5, -6, -8 , -9, -10, -12, -15, -18 and - are available in TO-220 package and with several fixed 24V output voltages, making them useful in a wide range · Internal Thermal Overload Protection of applications. Each type employs internal current · Short Circuit Protection limiting, thermal shut down and safe operating area protection, · Output Transistor Safe Operating Area Compensation making it essentially indestructible. TO-220 Vin 1 1. GND 2. Input 3. Output Internal Block Digram GND R1 VOLTAGE REFERENCE R2 Ou Ou t tput + Q1 - Q2 PROTECTION CIRCUITRY I1 I2 Rsc In Input Rev. 1.0 ©2002 Fairchild Semiconductor Corporation LM79XX Absolute Maximum Ratings Parameter Symbol Value Unit Input Voltage VI -35 V Thermal Resistance Junction-Case (Note1)

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LM7909.pdf Datasheet