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MC7805BDTRK bảng dữ liệu(PDF) 4 Page - ON Semiconductor |
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4 / 32 page MC7800, MC7800A, NCV7805 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (Vin = 10 V, IO = 1.0 A, TJ = Tlow to Thigh (Note 3), unless otherwise noted) MC7805AB/MC7805AC Characteristic Symbol Min Typ Max Unit Output Voltage (TJ = 25°C) VO 4.9 5.0 5.1 Vdc Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) 7.5 Vdc ≤ Vin ≤ 20 Vdc VO 4.8 5.0 5.2 Vdc Line Regulation (Note 4) Regline mV 7.5 Vdc ≤ Vin ≤ 25 Vdc, IO = 500 mA − 0.5 10 8.0 Vdc ≤ Vin ≤ 12 Vdc, IO = 1.0 A − 0.8 12 8.0 Vdc ≤ Vin ≤ 12 Vdc, IO = 1.0 A, TJ = 25°C − 1.3 4.0 7.3 Vdc ≤ Vin ≤ 20 Vdc, IO = 1.0 A, TJ = 25°C − 4.5 10 Load Regulation (Note 4) Regload mV 5.0 mA ≤ IO ≤ 1.5 A, TJ = 25°C − 1.3 25 5.0 mA ≤ IO ≤ 1.0 A − 0.8 25 250 mA ≤ IO ≤ 750 mA − 0.53 15 Quiescent Current IB − 3.2 6.0 mA Quiescent Current Change DIB mA 8.0 Vdc ≤ Vin ≤ 25 Vdc, IO = 500 mA − 0.3 0.8 7.5 Vdc ≤ Vin ≤ 20 Vdc, TJ = 25°C − − 0.8 5.0 mA ≤ IO ≤ 1.0 A − 0.08 0.5 Ripple Rejection 8.0 Vdc ≤ Vin ≤ 18 Vdc, f = 120 Hz, IO = 500 mA RR 68 83 − dB Dropout Voltage (IO = 1.0 A, TJ = 25°C) VI − VO − 2.0 − Vdc Output Noise Voltage (TA = 25°C) 10 Hz ≤ f ≤ 100 kHz Vn − 10 − mV/VO Output Resistance (f = 1.0 kHz) rO − 0.9 − m W Short Circuit Current Limit (TA = 25°C) Vin = 35 Vdc ISC − 0.2 − A Peak Output Current (TJ = 25°C) Imax − 2.2 − A Average Temperature Coefficient of Output Voltage TCVO − −0.3 − mV/ °C 3. Tlow =0°C for MC78XXAC, C Thigh = +125°C for MC78XXAC, C, NCV7805 = *40°C for MC78XXB, MC78XXAB, NCV7805 4. 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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