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LM7918 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers |
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2 / 6 page LM79XX LINEAR INTEGRATED CIRCUIT 2 ABSOLUTE MAXIMUM RATINGS(Ta=25 C) PARAMETER SYMBOL VALUE UNIT Input voltage Vi -35 V Thermal resistance junction-air R q JA 65 C /W Thermal resistance junction-cases R q JC 5C /W Operating Temperature Topr 0 ~ +125 C Storage Temperature Tstg -65 ~ +150 C Contek7905 ELECTRICAL CHARACTERISTICS (Refer to test circuits, 0<Tj<125 C,Io=500mA,Vi=-10V,Ci=33uF,Co=1uF, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Tj=25 C -4.8 -5.0 -5.2 V Output voltage Vo 5.0mA<Io<1.0A,Po<15W Vi=-7V to -20V -4.75 -5.00 -5.25 V Line regulation DVo Tj=25 C,Vi=-7V to -25V 10 100 mV Tj=25 C,Vi=-8V to -12V mV Load regulation DVo Tj=25 C,Io=5.0mA to 1.5A 10 100 mV Tj=25 C,Io=250mA to 750mA 350 mV Quiescent current IQ Tj=25 C 36 mA Quiescent current change DIQ Io=5mA to 1.0A 0.05 0.5 mA Vi=-7V to -25V 0.1 1.3 mA Output voltage drift DVo/DT Io=5mA -0.4 mV/ C Output noise voltage VN f=10hz to 100kHz,Ta=25 C 100 mV Ripple rejection RR f=120Hz, Vi=-8V to -18V 54 60 dB Dropout voltage Vo Io=1.0A,Tj=25 C 2V Short circuit current Isc Vi=-35V,Ta=25 C 300 mA peak current Ipk Tj=25 C 2.2 A Contek7906 ELECTRICAL CHARACTERISTICS (Refer to test circuits, 0<Tj<125 C,Io=500mA,Vi=-11V,Ci=2.2uF,Co=1uF,unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Tj=25 C -5.75 -6.00 6-.25 V Output voltage Vo 5.0mA<Io<1.0A,Po<15W Vi=-8V to -21V -5.7 -6.0 -6.3 V Line regulation DVo Tj=25 C,Vi=-8V to -25V 10 120 mV Tj=25 C,Vi=-9V to -13V 560 mV Load regulation DVo Tj=25 C,Io=5.0mA to 1.5A 10 120 mV Tj=25 C,Io=250mA to 750mA 360 mV Quiescent current IQ Tj=25 C 36 mA Quiescent current change DIQ Io=5mA to 1.0A 0.5 mA Vi=-8V to -25V 1.3 mA Output voltage drift DVo/DT Io=5mA -0.5 mV/ C Output noise voltage VN f=10hz to 100kHz,Ta=25 C 130 mV Ripple rejection RR f=120Hz, Vi=-9V to -19V 54 60 dB Dropout voltage Vo Io=1.0A,Tj=25 C 2V Short circuit current Isc Vi=-35V,Ta=25 C 300 mA peak current Ipk Tj=25 C 2.2 A CONTEK Contek Microelectronics Co.,Ltd. http://www.contek-ic.com E-mail:sales@contek-ic.com |
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