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MC78912CT Datasheet

Part Number MC78912CT
Manufacturers Fairchild
Logo Fairchild
Description 3-TERMINAL 1A NEGATIVE VOLTAGE REGULATORS
Datasheet MC78912CT DatasheetMC78912CT Datasheet (PDF)

MC79XX (LM79XX) (KA79XX/A) FIXED VOLTAGE REGULATOR (NEGATIVE) 3-TERMINAL 1A NEGATIVE VOLTAGE REGULATORS The MC79XX series of three-terminal negative regulators are available in 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 area protection, making it essentially indestructible. TO-220 FEATURES • • • • • Output Current in Excess of 1A Output Voltages of -5, -6, -8.

  MC78912CT   MC78912CT






3-TERMINAL 1A NEGATIVE VOLTAGE REGULATORS

MC79XX (LM79XX) (KA79XX/A) FIXED VOLTAGE REGULATOR (NEGATIVE) 3-TERMINAL 1A NEGATIVE VOLTAGE REGULATORS The MC79XX series of three-terminal negative regulators are available in 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 area protection, making it essentially indestructible. TO-220 FEATURES • • • • • Output Current in Excess of 1A Output Voltages of -5, -6, -8, -12, -15, -18, -24V Internal Thermal Overload Protection Short Circuit Protection Output Transistor Safe-Area Compensation 1: GND 2: Input 3: Output ORDERING INFORMATION Device MC79XXCT (LM79XXCT) (KA79XX) KA79XXA Output Voltage Tolerance ± 4% ± 2% TO-220 Package Operating Temperature 0 ~+125°C BLOCK DIAGRAM GND R1 VOLTAGE REFERENCE R2 Out + Q1 Q2 PROTECTION CIRCUITRY Rsc I1 I2 In Rev. C © 1999 Fairchild Semiconductor Corporation MC79XX (LM79XX) (KA79XX/A) FIXED VOLTAGE REGULATOR (NEGATIVE) ABSOLUTE MAXIMUM RATINGS (TA=+25°C, unless otherwise specified) Characteristic Input Voltage Thermal Resistance Junction-Cases Junction-Air Operating Temperature Range Storage Temperature Range Symbol VI RθJC RθJA TOPR TSTG Value -35 5 65 0 ~ +125 - 65 ~ +150 Unit V °C / W °C /W °C °C LM7905 ELECTRICAL CHARACTERISTICS (VI = 10V, lO = 500mA, 0°C ≤T J ≤ +125°C, CI =2.2µF, CO =1µF, unless otherwise specified.) Characteristic Output Voltage Symbol VO Test Conditions TJ =+25°C IO = 5m.


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