LM7912 ISC | Alldatasheet
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Technical content
INCHANGESemiconductor iscProductSpecification isc website：www.iscsemi.com isc & iscsemi isregisteredtrademark1 iscThreeTerminalNegativeVoltageRegulator LM7912
FEATURES
- Outputcurrentin excessof 1.5A
- Outputvoltageof-12V
- Internalthermaloverload protection
- OutputtransitionSafe-Area compensation ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER RATING UNIT Vi DCinputvoltage -35 V Io Outputcurrent internallylimited Ptot Power dissipation internallylimited TOP Operatingjunctiontemperature 0~150 ℃ Tstg Storagetemperature -55~150 ℃ THERMALCHARACTERISTICS SYMBOL PARAMETER MAX UNIT Rthj-c ThermalResistance,JunctiontoCase 3 ℃/W Rthj-a ThermalResistance,JunctiontoAmbient 50 ℃/W
INCHANGESemiconductor iscProductSpecification isc website：www.iscsemi.com isc & iscsemi isregisteredtrademark2 iscThreeTerminalNegativeVoltageRegulator LM7912
- ELECTRICALCHARACTERISTICS Tj=25℃ (Vi=-19V,IO=0.5A,Ci=2.2μF,CO=1μFunlessotherwisespecified) SYMBO L PARAMETER CONDITIONS MIN TYP MAX UNIT VO OutputVoltage Vin=-19V;IO=0.5A -11.5 -12 -12.5 V VO OutputVoltage Vin=-15.5to-27V;IO=5mAto1A; Po≤15W -11.4 -12 -12.6 V △VV Line Regulation -14.5V≤Vin≤-30V;IO=0.5A -16V≤Vin≤-22V;IO=0.5A 240 120 mV △Vi Load Regulation 5.0mA≤IO≤1.5A; 250mA≤IO≤750mA; 240 120 mV Id QuiescentCurrent Vin=-19V;IO=0.5A 3 mA △d1 Quiescent Current Change 5.0mA≤IO≤1.0A;Vin=-19V 0.5 mA △d2 Quiescent Current Change -15V≤Vin≤-30V;IO=0.5A 1 mA