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MC79L05C Dataheets PDF



Part Number MC79L05C
Manufacturers Texas Instruments
Logo Texas Instruments
Description Negative Voltage Regulator
Datasheet MC79L05C DatasheetMC79L05C Datasheet (PDF)

MC79L00 SERIES NEGATIVEĆVOLTAGE REGULATORS D 3-Terminal Regulators D Output Current Up To 100 mA D No External Components Required D Internal Thermal-Overload Protection D Internal Short-Circuit Current Limiting D Direct Replacement for Industry-Standard MC79L00 Series D Available in 5% or 10% Selections SLVS011D − OCTOBER 1982 − REVISED AUGUST 2003 D PACKAGE (TOP VIEW) OUTPUT INPUT† INPUT† NC 1 2 3 4 8 NC 7 INPUT† 6 INPUT† 5 COMMON † Internally connected NC − No internal connection descr.

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MC79L00 SERIES NEGATIVEĆVOLTAGE REGULATORS D 3-Terminal Regulators D Output Current Up To 100 mA D No External Components Required D Internal Thermal-Overload Protection D Internal Short-Circuit Current Limiting D Direct Replacement for Industry-Standard MC79L00 Series D Available in 5% or 10% Selections SLVS011D − OCTOBER 1982 − REVISED AUGUST 2003 D PACKAGE (TOP VIEW) OUTPUT INPUT† INPUT† NC 1 2 3 4 8 NC 7 INPUT† 6 INPUT† 5 COMMON † Internally connected NC − No internal connection description/ordering information LP PACKAGE (TOP VIEW) This series of fixed negative-voltage integrated-circuit voltage regulators is designed OUTPUT for a wide range of applications. These include INPUT on-card regulation for elimination of noise and COMMON distribution problems associated with single-point regulation. In addition, they can be used to control series pass elements to make high-current voltage-regulator circuits. One of these regulators can deliver up to 100 mA of output current. The internal current-limiting and thermal-shutdown features essentially make the regulators immune to overload. When used as a replacement for a Zener-diode and resistor combination, these devices can provide an effective improvement in output impedance of two orders of magnitude, with lower bias current. ORDERING INFORMATION TJ OUTPUT VOLTAGE TOLERANCE NOMINAL OUTPUT VOLTAGE (V) PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING Tube of 75 MC79L05ACD SOIC (D) Reel of 2500 MC79L05ACDR 79L05A −5 Bulk of 1000 MC79L05ACLP TO-226 / TO-92 (LP) Reel of 2000 MC79L05ACLPR 79L05AC 0°C to 125°C 5% Tube of 75 MC79L12ACD SOIC (D) Reel of 2500 MC79L12ACDR 79L12A −12 Bulk of 1000 MC79L12ACLP TO-226 / TO-92 (LP) Reel of 2000 MC79L12ACLPR 79L12AC Bulk of 1000 MC79L15ACLP −15 TO-226 / TO-92 (LP) Ammo of 2000 MC79L15ACLPM 79L15AC Reel of 2000 MC79L15ACLPR 10% −12 TO-226 / TO-92 (LP) Bulk of 1000 MC79L12CLP −15 SOIC (D) Tube of 75 MC79L15CD 79L12C 79L15C † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. •POST OFFICE BOX 655303 DALLAS, TEXAS 75265 Copyright  2003, Texas Instruments Incorporated 1 MC79L00 SERIES NEGATIVEĆVOLTAGE REGULATORS SLVS011D − OCTOBER 1982 − REVISED AUGUST 2003 equivalent schematic COMMON OUTPUT INPUT absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Input voltage: MC79L05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30 V MC79L12, MC79L15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −35 V Package thermal impedance, θJA (see Notes 1 and 2): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97°C/W LP package . . . . . . . . . . . . . . . . . . . . . . . . . . 140°C/W Operating free-air, case, or virtual junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C Lead temperature 1.6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) − TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability. 2. The package thermal impedance is calculated in accordance with JESD 51-7. recommended operating conditions VI Input voltage IO Output current TJ Operating virtual junction temperature MC79L05 MC79L12 MC79L15 MIN −7 −14.5 −17.5 0 MAX −20 −27 −30 100 125 UNIT V mA °C •2 POST OFFICE BOX 655303 DALLAS, TEXAS 75265 MC79L00 SERIES NEGATIVEĆVOLTAGE REGULATORS SLVS011D − OCTOBER 1982 − REVISED AUGUST 2003 electrical characteristics at spe.


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