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MC7908ACD2T bảng dữ liệu(PDF) 3 Page - Motorola, Inc |
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MC7908ACD2T bảng dữ liệu(HTML) 3 Page - Motorola, Inc |
3 / 12 page MC7900 3 MOTOROLA ANALOG IC DEVICE DATA 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 1) – 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 1) 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 ∆IIB – – – – – – 1.3 0.5 0.5 mA Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) Vn – 40 – µV 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 ∆VO/∆T – –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 1) (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 1) 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 ∆IIB – – – – 1.3 0.5 mA Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) Vn – 42 – µV 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 ∆VO/∆T – –1.0 – mV/ °C NOTE: 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. NOTE: 1. Pulse testing with low duty cycle is used. |
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