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KA78XXAT Datasheet(PDF) 4 Page - Fairchild Semiconductor |
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KA78XXAT Datasheet(HTML) 4 Page - Fairchild Semiconductor |
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4 / 28 page  LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE) LM7808/I/R/RI ELECTRICAL CHARACTERISTICS (Refer to test Circuit, TMIN <TJ< TMAX, IO = 500mA, VI = 14V, CI = 0.33 µF, C O= 0.1 µF, unless otherwise specified) * TMIN <TJ <TMAX LM78XXI/RI: TMIN= - 40 °C, T MAX = +125 °C LM78XX/R: TMIN= 0 °C, T MAX= +125 °C * Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. LM7808I LM7808 Min Typ Max Min Typ Max TJ =+25 °C 7.7 8.0 8.3 7.7 8.0 8.3 Output Voltage VO 5.0mA ≤ I O ≤ 1.0A, P O ≤ 15W VI = 10.5V to 23V VI = 11.5V to 23V 7.6 8.0 8.4 7.6 8.0 8.4 V VI = 10.5V to 25V 5.0 160 5.0 160 VI = 11.5V to 17V 2.0 80 2.0 80 IO = 5.0mA to 1.5A 10 160 10 160 IO= 250mA to 750mA 5.0 80 5.0 80 Quiescent Current IQ TJ =+25 °C 5.0 8 5.0 8 mA IO = 5mA to 1.0A 0.05 0.5 0.05 0.5 Quiescent Current Change ∆I Q VI = 10.5A to 25V 0.5 1.0 mA VI = 11.5V to 25V 0.5 1.0 Output Voltage Drift ∆V O/ ∆T IO = 5mA -0.8 -0.8 mV/ °C Output Noise Voltage VN f = 10Hz to 100Khz, TA =+25 °C 52 52 µV/Vo Ripple Rejection RR f = 120Hz, VI= 11.5V to 21.5 56 73 56 73 dB Dropout Voltage VD IO = 1A, TJ=+25 °C 2 2 V Output Resistance RO f = 1KHz 17 17 m Ω Short Circuit Current ISC VI= 35V, TA =+25 °C 230 230 mA Peak Current IPK TJ =+25 °C 2.2 2.2 A Characteristic Symbol Test Conditions Unit Line Regulation Load Regulation ∆V O ∆V O TJ =+ 25 °C TJ = +25 °C mV mV |
Similar Part No. - KA78XXAT |
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Similar Description - KA78XXAT |
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