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MC7805CT 데이터시트(PDF) 7 Page - ON Semiconductor |
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MC7805CT 데이터시트(HTML) 7 Page - ON Semiconductor |
7 / 32 page MC7800, MC7800A, NCV7805 http://onsemi.com 7 ELECTRICAL CHARACTERISTICS (Vin = 14 V, IO = 500 mA, TJ = Tlow to Thigh (Note 9), unless otherwise noted) MC7808B MC7808C Characteristic Symbol Min Typ Max Min Typ Max Unit Output Voltage (TJ = 25°C) VO 7.7 8.0 8.3 7.7 8.0 8.3 Vdc Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) VO Vdc 10.5 Vdc ≤ Vin ≤ 23 Vdc − − − 7.6 8.0 8.4 11.5 Vdc ≤ Vin ≤ 23 Vdc 7.6 8.0 8.4 − − − Line Regulation, TJ = 25°C, (Note 10) Regline mV 10.5 Vdc ≤ Vin ≤ 25 Vdc − 6.0 160 − 6.0 32 11 Vdc ≤ Vin ≤ 17 Vdc − 1.7 80 − 1.7 16 Load Regulation, TJ = 25°C (Note 10) Regload − 1.4 160 − 1.4 35 mV 5.0 mA ≤ IO ≤ 1.5 A Quiescent Current IB − 3.3 8.0 − 3.3 8.0 mA Quiescent Current Change DIB mA 10.5 Vdc ≤ Vin ≤ 25 Vdc − − − − − 1.0 5.0 mA ≤ IO ≤ 1.0 A − − 0.5 − − 0.5 Ripple Rejection RR − 62 − 56 62 − dB 11.5 Vdc ≤ Vin ≤ 18 Vdc, f = 120 Hz Dropout Voltage (IO = 1.0 A, TJ = 25°C) VI − VO − 2.0 − − 2.0 − Vdc Output Noise Voltage (TA = 25°C) Vn − 10 − − 10 − mV/VO 10 Hz ≤ f ≤ 100 kHz Output Resistance f = 1.0 kHz rO − 0.9 − − 0.9 − m W Short Circuit Current Limit (TA = 25°C) ISC − 0.2 − − 0.2 − A Vin = 35 Vdc Peak Output Current (TJ = 25°C) Imax − 2.2 − − 2.2 − A Average Temperature Coefficient of Output Voltage TCVO − −0.4 − − −0.4 − mV/ °C 9. Tlow =0°C for MC78XXAC, C Thigh = +125°C for MC78XXAC, C, NCV7805 = *40°C for MC78XXB, MC78XXAB, NCV7805 10. 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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