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5 / 16 page MC7900 Series http://onsemi.com 5 MC7912B, MC7912C ELECTRICAL CHARACTERISTICS (VI = −19 V, IO = 500 mA, Tlow* < TJ < +125°C, unless otherwise noted.) Characteristics Symbol Min Typ Max Unit Output Voltage (TJ = +25°C) VO −11.5 −12 −12.5 Vdc Line Regulation (Note 4) (TJ = +25°C, IO = 100 mA) −14.5 Vdc ≥ VI ≥ −30 Vdc −16 Vdc ≥ VI ≥ −22 Vdc (TJ = +25°C, IO = 500 mA) −14.5 Vdc ≥ VI ≥ −30 Vdc −16 Vdc ≥ VI ≥ −22 Vdc Regline − − − − 13 6.0 55 24 120 60 240 120 mV Load Regulation, TJ = +25°C (Note 4) 5.0 mA ≤ IO ≤ 1.5 A 250 mA ≤ IO ≤ 750 mA Regload − − 46 17 240 120 mV Output Voltage −14.5 Vdc ≥ VI ≥ −27 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W VO −11.4 − −12.6 Vdc Input Bias Current (TJ = +25°C) IIB − 4.4 8.0 mA Input Bias Current Change −14.5 Vdc ≥ VI ≥ −30 Vdc 5.0 mA ≤ IO ≤ 1.5 A DIIB − − − − 1.0 0.5 mA Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) Vn − 75 − mV Ripple Rejection (IO = 20 mA, f = 120 Hz) RR − 61 − dB Dropout Voltage (IO = 1.0 A, TJ = +25°C) VI−VO − 1.3 − Vdc Average Temperature Coefficient of Output Voltage IO = 5.0 mA, Tlow* ≤ TJ ≤ +125°C DVO/DT − −1.0 − mV/°C MC7912AC ELECTRICAL CHARACTERISTICS (VI = −19 V, IO = 500 mA, Tlow* < TJ < +125°C, unless otherwise noted.) Characteristics Symbol Min Typ Max Unit Output Voltage (TJ = +25°C) VO −11.75 −12 −12.25 Vdc Line Regulation (Note 4) −16 Vdc ≥ VI ≥ −22 Vdc; IO = 1.0 A, TJ = +25°C −16 Vdc ≥ VI ≥ −22 Vdc; IO = 1.0 A −14.8 Vdc ≥ VI ≥ −30 Vdc; IO = 500 mA −14.5 Vdc ≥ VI ≥ −27 Vdc; IO = 1.0 A, TJ = +25°C Regline − − − − 6.0 24 24 13 60 120 120 120 mV Load Regulation (Note 4) 5.0 mA ≤ IO ≤ 1.5 A, TJ = +25°C 250 mA ≤ IO ≤ 750 mA 5.0 mA ≤ IO ≤ 1.0 A Regload − − − 46 17 35 150 75 150 mV Output Voltage −14.8 Vdc ≥ VI ≥ −27 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, P ≤ 15 W VO −11.5 − −12.5 Vdc Input Bias Current IIB − 4.4 8.0 mA Input Bias Current Change −15 Vdc ≥ VI ≥ −30 Vdc 5.0 mA ≤ IO ≤ 1.0 A 5.0 mA ≤ IO ≤ 1.5 A, TJ = +25°C DIIB − − − − − − 0.8 0.5 0.5 mA Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) Vn − 75 − mV Ripple Rejection (IO = 20 mA, f = 120 Hz) RR − 61 − dB Dropout Voltage (IO = 1.0 A, TJ = +25°C) VI−VO − 1.3 − Vdc Average Temperature Coefficient of Output Voltage IO = 5.0 A, Tlow* ≤ TJ ≤ +125°C DVO/DT − −1.0 − mV/°C 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. *Tlow = −40°C for MC7912B and Tlow = 0°C for MC7912C. |
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