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MC7808AEBTG Datasheet(PDF) 8 Page - ON Semiconductor |
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MC7808AEBTG Datasheet(HTML) 8 Page - ON Semiconductor |
8 / 30 page MC7800, MC7800A, MC7800AE, NCV7800 http://onsemi.com 8 ELECTRICAL CHARACTERISTICS (Vin = 14 V, IO = 1.0 A, TJ = Tlow to 125C (Note 11), unless otherwise noted) Characteristic Symbol MC7808AB/MC7808AC MC7808AEB Unit Min Typ Max Min Typ Max Output Voltage (TJ = 25C) VO 7.84 8.0 8.16 7.88 − 8.12 Vdc Output Voltage (5.0 mA IO 1.0 A, PD 15 W) 10.6 Vdc Vin 23 Vdc VO 7.7 8.0 8.3 7.88 − 8.12 Vdc Line Regulation (Note 12) 10.6 Vdc Vin 25 Vdc, IO = 500 mA 11 Vdc Vin 17 Vdc, IO = 1.0 A 10.4 Vdc Vin 23 Vdc, TJ = 25C Regline − − − 6.0 1.7 5.0 15 18 15 − − − 6.0 1.7 5.0 15 18 15 mV Load Regulation (Note 12) 5.0 mA IO 1.5 A, TJ = 25C 5.0 mA IO 1.0 A 250 mA IO 750 mA Regload − − − 1.4 1.0 0.22 25 25 15 − − − 1.4 1.0 0.22 25 25 15 mV Quiescent Current IB − 3.3 6.0 − 3.3 6.0 mA Quiescent Current Change 11 Vdc Vin 25 Vdc, IO = 500 mA 10.6 Vdc Vin 23 Vdc, IO = 1.0 A, TJ = 25C 5.0 mA IO 1.0 A DIB − − − − − − 0.8 0.8 0.5 − − − − − − 0.8 0.8 0.5 mA Ripple Rejection 11.5 Vdc Vin 21.5 Vdc, f = 120 Hz, IO = 500 mA RR 56 62 − 56 62 − dB Dropout Voltage (IO = 1.0 A, TJ = 25C) VI − VO − 2.0 − − 2.0 − Vdc Output Noise Voltage (TA = 25C) 10 Hz f 100 kHz Vn − 10 − − 10 − mV/VO Output Resistance f = 1.0 kHz rO − 0.9 − − 0.9 − mW Short Circuit Current Limit (TA = 25C) Vin = 35 Vdc ISC − 0.2 − − 0.2 − A Peak Output Current (TJ = 25C) Imax − 2.2 − − 2.2 − A Average Temperature Coefficient of Output Voltage TCVO − −0.4 − − −0.4 − mV/C 11. Tlow =0C for MC78XXC, MC78XXAC, = *40C for NCV78XX, MC78XXB, MC78XXAB, and MC78XXAEB 12.Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. |
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