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KA78XXAR Scheda tecnica(PDF) 9 Page - Fairchild Semiconductor |
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KA78XXAR Scheda tecnica(HTML) 9 Page - Fairchild Semiconductor |
9 / 28 page LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE) LM7815/I/R/RI ELECTRICAL CHARACTERISTICS (Refer to test circuit, TMIN<TJ<TMAX, IO =500mA, VI =23V, 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. LM7815I LM7815 Min Typ Max Min Typ Max TJ =+25 °C 14.4 15 15.6 14.4 15 15.6 Output Voltage VO 5.0mA ≤ I O ≤1.0A, P D ≤15W VI = 17.5V to 30V VI= 18.5V to 30V 14.2 5 15 15.75 14.25 15 15.75 V VI = 17.5V to 30V 11 300 11 300 VI = 20V to 26V 3 150 3 150 IO = 5mA to 1.5A 12 300 12 300 IO = 250mA to 750mA 4 150 4 150 Quiescent Current IQ TJ =+25 °C 5.2 8 5.2 8 mA IO = 5mA to 1.0A 0.5 0.5 Quiescent Current Change ∆I Q VI = 17.5V to 30V 1.0 mA VI = 18.5V to 30V 1.0 Output Voltage Drift ∆V O/ ∆T IO = 5mA -1 -1 mV/ °C Output Noise Voltage VN f = 10Hz to 100Khz, TA =+25 °C 90 90 µV/V O Ripple Rejection RR f = 120Hz VI = 18.5V to 28.5V 54 70 54 70 dB Dropout Voltage VD IO = 1A, TJ=+25 °C 2 2 V Output Resistance RO f = 1KHz 19 19 m Ω Short Circuit Current ISC VI = 35V, TA=+25 °C 250 250 mA Peak Current IPK TJ =+25 °C 2.2 2.2 A Unit Line Regulation ∆V O ∆V O TJ =+25 °C TJ =+25 °C Load Regulation Characteristic Symbol Test Conditions mV mV |
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