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UA7815QKTE 数据表(PDF) 7 Page - Texas Instruments |
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UA7815QKTE 数据表(HTML) 7 Page - Texas Instruments |
7 / 23 page μA7800 SERIES www.ti.com SLVS056O – MAY 1976 – REVISED AUGUST 2012 uA7812 Electrical Characteristics (continued) at specified virtual junction temperature, VI = 19 V, IO = 500 mA (unless otherwise noted) μA7812C PARAMETER TEST CONDITIONS TJ (1) UNIT MIN TYP MAX Bias current 25°C 4.3 8 mA VI = 14.5 V to 30 V 1 Bias current change 0°C to 125°C mA IO = 5 mA to 1 A 0.5 Short-circuit output current 25°C 350 mA Peak output current 25°C 2.2 A uA7815 Electrical Characteristics at specified virtual junction temperature, VI = 23 V, IO = 500 mA (unless otherwise noted) μA7815C PARAMETER TEST CONDITIONS TJ (1) UNIT MIN TYP MAX 25°C 14.4 15 15.6 IO = 5 mA to 1 A, VI = 17.5 V to 30 V, Output voltage V PD ≤ 15 W 0°C to 125°C 14.25 15.75 VI = 17.5 V to 30 V 11 300 Input voltage regulation 25°C mV VI = 20 V to 26 V 3 150 VI = 18.5 V to 28.5 V, f = 120 Hz 54 70 Ripple rejection(2) 0°C to 125°C dB VI = 18.5 V to 28.5 V, f = 120 Hz 60 (KCT) IO = 5 mA to 1.5 A 12 300 Output voltage regulation 25°C mV IO = 250 mA to 750 mA 4 150 Output resistance f = 1 kHz 0°C to 125°C 0.019 Ω Temperature coefficient of output voltage IO = 5 mA 0°C to 125°C –1 mV/°C Output noise voltage f = 10 Hz to 100 kHz 25°C 90 μV Dropout voltage IO = 1 A 25°C 2 V Bias current 25°C 4.4 8 mA VI = 17.5 V to 30 V 1 Bias current change 0°C to 125°C mA IO = 5 mA to 1 A 0.5 Short-circuit output current 25°C 230 mA Peak output current 25°C 2.1 A (1) Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33- μF capacitor across the input and a 0.1-μF capacitor across the output. (2) This parameter is validated by design and verified during product characterization. It is not tested in production. uA7824 Electrical Characteristics at specified virtual junction temperature, VI = 33 V, IO = 500 mA (unless otherwise noted) μA7824C PARAMETER TEST CONDITIONS TJ (1) UNIT MIN TYP MAX 25°C 23 24 25 IO = 5 mA to 1 A, VI = 27 V to 38 V, Output voltage V PD ≤ 15 W 0°C to 125°C 22.8 25.2 VI = 27 V to 38 V 18 480 Input voltage regulation 25°C mV VI = 30 V to 36 V 6 240 Ripple rejection(2) VI = 28 V to 38 V, f = 120 Hz 0°C to 125°C 50 66 dB (1) Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33- μF capacitor across the input and a 0.1-μF capacitor across the output. (2) This parameter is validated by design and verified during product characterization. It is not tested in production. Copyright © 1976–2012, Texas Instruments Incorporated Submit Documentation Feedback 7 |
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