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3 / 14 page MC7900 Series http://onsemi.com 3 MC7905AC ELECTRICAL CHARACTERISTICS (VI = −10 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.) Characteristics Symbol Min Typ Max Unit Output Voltage (TJ = +25°C) VO − 4.9 − 5.0 − 5.1 Vdc Line Regulation (Note 2) − 8.0 Vdc ≥ VI ≥ −12 Vdc; IO = 1.0 A, TJ = +25°C − 8.0 Vdc ≥ VI ≥ −12 Vdc; IO = 1.0 A −7.5 Vdc ≥ VI ≥ −25 Vdc; IO = 500 mA −7.0 Vdc ≥ VI ≥ −20 Vdc; IO = 1.0 A, TJ = +25°C Regline − − − − 2.0 7.0 7.0 6.0 25 50 50 50 mV Load Regulation (Note 2) 5.0 mA ≤ IO ≤ 1.5 A, TJ = +25°C 250 mA ≤ IO ≤ 750 mA 5.0 mA ≤ IO ≤ 1.0 A Regload − − − 11 4.0 9.0 100 50 100 mV Output Voltage −7.5 Vdc ≥ VI ≥ −20 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W VO − 4.80 − − 5.20 Vdc Input Bias Current IIB − 4.4 8.0 mA Input Bias Current Change −7.5 Vdc ≥ VI ≥ −25 Vdc 5.0 mA ≤ IO ≤ 1.0 A 5.0 mA ≤ IO ≤ 1.5 A, TJ = +25°C DIIB − − − − − − 1.3 0.5 0.5 mA Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) Vn − 40 − mV Ripple Rejection (IO = mA, f = 120 Hz) RR − 70 − dB Dropout Voltage (IO = 1.0 A. TJ = +25°C) VI−VO − 2.0 − Vdc Average Temperature Coefficient of Output Voltage IO = 5.0 A, 0°C ≤ TJ ≤ +125°C DVO/DT − −1.0 − mV/ °C MC7905.2C ELECTRICAL CHARACTERISTICS (VI = −10 V, IO = 500 mA, 0°C < TJ < +125°C, unless otherwise noted.) Characteristics Symbol Min Typ Max Unit Output Voltage (TJ = +25°C) VO − 5.0 − 5.2 − 5.4 Vdc Line Regulation (Note 2) (TJ = +25°C, IO = 100 mA) −7.2 Vdc ≥ VI ≥ −25 Vdc − 8.0 Vdc ≥ VI ≥ −12 Vdc (TJ = +25°C, IO = 500 mA) −7.2 Vdc ≥ VI ≥ −25 Vdc − 8.0 Vdc ≥ VI ≥ −12 Vdc Regline − − − − 8.0 2.2 37 8.5 52 27 105 52 mV Load Regulation, TJ = +25°C (Note 2) 5.0 mA ≤ IO ≤ 1.5 A 250 mA ≤ IO ≤ 750 mA Regload − − 12 4.5 105 52 mV Output Voltage −7.2 Vdc ≥ VI ≥ −20 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W VO − 4.95 − − 5.45 Vdc Input Bias Current (TJ = +25°C) IIB − 4.3 8.0 mA Input Bias Current Change −7.2 Vdc ≥ VI ≥ −25 Vdc 5.0 mA ≤ IO ≤ 1.5 A DIIB − − − − 1.3 0.5 mA Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) Vn − 42 − mV Ripple Rejection (IO = 20 mA, f = 120 Hz) RR − 68 − dB Dropout Voltage (IO = 1.0 A, TJ = +25°C) VI−VO − 2.0 − Vdc Average Temperature Coefficient of Output Voltage IO = 5.0 mA, 0°C ≤ TJ ≤ +125°C DVO/DT − −1.0 − mV/ °C 2. 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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