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MC7805ABT bảng dữ liệu(PDF) 11 Page - ON Semiconductor |
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MC7805ABT bảng dữ liệu(HTML) 11 Page - ON Semiconductor |
11 / 32 page MC7800, MC7800A, NCV7805 http://onsemi.com 11 ELECTRICAL CHARACTERISTICS (Vin = 19 V, IO = 500 mA, TJ = Tlow to Thigh (Note 16), unless otherwise noted) MC7812B MC7812C Characteristic Symbol Min Typ Max Min Typ Max Unit Output Voltage (TJ = 25°C) VO 11.5 12 12.5 11.5 12 12.5 Vdc Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) VO Vdc 14.5 Vdc ≤ Vin ≤ 27 Vdc − − − 11.4 12 12.6 15.5 Vdc ≤ Vin ≤ 27 Vdc 11.4 12 12.6 − − − Line Regulation, TJ = 25°C (Note 17) Regline mV 14.5 Vdc ≤ Vin ≤ 30 Vdc − 7.5 240 − 3.8 24 16 Vdc ≤ Vin ≤ 22 Vdc − 2.2 120 − 0.3 24 14.8 Vdc ≤ Vin ≤ 27 Vdc, IO = 1.0 A − − − − − 48 Load Regulation, TJ = 25°C (Note 17) Regload − 1.6 240 − 8.1 60 mV 5.0 mA ≤ IO ≤ 1.5 A Quiescent Current IB − 3.4 8.0 − 3.4 6.5 mA Quiescent Current Change DIB mA 14.5 Vdc ≤ Vin ≤ 30 Vdc, IO = 1.0 A, TJ = 25°C − − − − − 0.7 15 Vdc ≤ Vin ≤ 30 Vdc − − 1.0 − − 0.8 5.0 mA ≤ IO ≤ 1.0 A − − 0.5 − − 0.5 Ripple Rejection RR − 60 − 55 60 − dB 15 Vdc ≤ Vin ≤ 25 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 − 1.1 − − 1.1 − 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 − −0.8 − − −0.8 − mV/ °C 16. Tlow =0°C for MC78XXAC, C Thigh = +125°C for MC78XXAC, C, NCV7805 = *40°C for MC78XXB, MC78XXAB, NCV7805 17. 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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