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6 page 
www.ti.com uA7815 Electrical Characteristics uA7824 Electrical Characteristics POSITIVE-VOLTAGE REGULATORS SLVS056L – MAY 1976 – REVISED NOVEMBER 2006 at specified virtual junction temperature, V I = 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, Output voltage V VI = 17.5 V to 30 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 Ripple rejection VI = 18.5 V to 28.5 V, f = 120 Hz 0 °C to 125°C 54 70 dB 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. at specified virtual junction temperature, V I = 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 VI = 28 V to 38 V, f = 120 Hz 0 °C to 125°C 50 66 dB IO = 5 mA to 1.5 A 12 480 Output voltage regulation 25 °C mV IO = 250 mA to 750 mA 4 240 Output resistance f = 1 kHz 0 °C to 125°C 0.028 Ω Temperature coefficient of output voltage IO = 5 mA 0 °C to 125°C –1.5 mV/ °C Output noise voltage f = 10 Hz to 100 kHz 25 °C 170 µV Dropout voltage IO = 1 A 25 °C 2 V Bias current 25 °C 4.6 8 mA VI = 27 V to 38 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 150 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. 6 |
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