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Details, datasheet, quote on part number: UA7912
 
 
Part numberUA7912
CategoryPower Management => Regulators => Linear Voltage Regulators
Description12V, 1.5A Fixed Negative Voltage Regulator
CompanyTexas Instruments, Inc.
DatasheetDownload UA7912 datasheet
Request For QuoteFind where to buy UA7912
 


 
Specifications, Features, Applications

3-Terminal Regulators Output Current A No External Components Internal Thermal Overload Protection High-Power Dissipation Capability Internal Short-Circuit Current Limiting Output Transistor Safe-Area Compensation

This series of fixed-negative-voltage INPUT integrated-circuit voltage regulators is designed COMMON to complement Series in a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. Each of these regulators can deliver A of output current. The internal current limiting and thermal shutdown features of these regulators essentially make them immune to overload. In addition to use as fixed-voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents and also as the power-pass element in precision regulators. ORDERING INFORMATION

TJ VO(NOM) (V) -15 Power Flex (KTE) TO-220, short shoulder (KCS) Power Flex (KTE) -5 TO-220, short shoulder (KCS) Power Flex (KTE) TO-220, short shoulder (KCS) Power Flex (KTE) PACKAGE Reel of 2000 Tube of 50 Reel of 2000 Tube of 50 Reel of 2000 Tube of 50 Reel of 2000 ORDERABLE PART NUMBER A7908CKCS A7905CKTER TOP-SIDE MARKING A7908C A7905C

TO-220, short shoulder (KCS) Tube A7905CKCS A7905C 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.

absolute maximum ratings over virtual junction temperature range (unless otherwise noted)

Input voltage, VI: -40 V All others. -35 V Operating virtual junction temperature, TJ. 150C Storage temperature range, Tstg. to 150C

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.

PACKAGE Power Flex (KTE) TO-220 (KCS) BOARD High K, JESD 51-5 High K, JESD 23C/W 19C/W

NOTE 1: Maximum power dissipation is a function of TJ(max), JA, and TA. The maximum allowable power dissipation at any allowable ambient temperature PD = (TJ(max) - TA)/JA. Operating at the absolute maximum of 150C can affect reliability.

MIN A7905C VI Input voltage IO TJ Output current Operating virtual junction temperature MAX C V UNIT

electrical characteristics at specified virtual junction temperature, 500 mA (unless otherwise noted)

PARAMETER TEST CONDITIONS TJ 25C Output voltage to 100 kHz 125C A7905C MIN 125C 25C TYP -5 MAX V UNITS

Input regulation Ripple rejection Output regulation Temperature coefficient of output voltage Output noise voltage Dropout voltage Bias current Bias current change

Peak output current 2.1 A Pulse-testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 2-F capacitor across the input and a 1-F capacitor across the output. This specification applies only for dc power dissipation permitted by absolute maximum ratings.

electrical characteristics at specified virtual junction temperature, 500 mA (unless otherwise noted)

PARAMETER TEST CONDITIONS TJ 25C Output voltage to 100 kHz 125C A7906C MIN 125C 25C TYP -6 MAX V UNITS

Peak output current 2.1 A Pulse-testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 2-F capacitor across the input and a 1-F capacitor across the output. This specification applies only for dc power dissipation permitted by absolute maximum ratings.




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