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78XX Datasheet(PDF) 8 Page - Estek Electronics Co. Ltd |
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78XX Datasheet(HTML) 8 Page - Estek Electronics Co. Ltd |
8 / 9 page Electrical Characteristics 7824 Electrical characteristics at specified virtual junction temperature, V I= 33V, IO = 500mA (unless otherwise noted) 78XX Output voltage** Parameter Test Conditions* 7824 Min Typ Max 25° C 23 24 25 Units IO= 5mA to 1A, VI= 27V to 38V, P≤ 0° C to 125° C 22.8 24 25.2 V Input regulation VI= 27V to 38V VI= 30V to 36V 25° C 18 480 6 240 mV Ripple rejection VI= 28V to 38V, f= 120Hz 0° C to 125° C 50 66 dB Output regulation IO= 5mA to 1.5A IO= 250mA to 750mA 25° C 12 480 4 240 mV Output resistance f= 1KHz 0° C to 125° C 0.028 Ω Temperature coefficient of output voltage IO= 5mA 0° C to 125° C -1.5 mV/° C Output noise voltage f= 10 Hz to 100 KHz 25° C 170 µ V Dropout voltage IO= 1A 25° C 2.0 V Bias current 25° C 4.6 8 Bias current change VI= 27V to 38V IO= 5mA to 1A 0° C to 125° C 1 0.5 mA Short-circuit output current 25° C 150 Peak output current 25° C 2.1 A * Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. ** This specification applies only for dc power dissipation permitted by absolute maximum ratings. Electrical Characteristics 7827 Electrical characteristics at specified virtual junction temperature, V I= 36V, IO = 500mA (unless otherwise noted) Output voltage** Parameter Test Conditions* IO= 5mA to 1A, VI= 30V to 40V, P≤15W MIK7827 Min Typ Max 25° C 25.9 27 28.1 0° C to 125° C 25.7 27 28.3 Units V Input regulation VI= 30V to 40V VI= 33V to 39V 25° C 25 540 10 270 mV Ripple rejection VI= 30V to 40V, f= 120Hz 0° C to 125° C 50 64 dB Output regulation IO= 5mA to 1.5A IO= 250mA to 750mA 25° C 20 540 9 270 mV Output resistance f= 1KHz 0° C to 125° C 0.030 Ω Temperature coefficient of output voltage IO= 5mA 0° C to 125° C -1.6 mV/° C Output noise voltage f= 10 Hz to 100 KHz 25° C 200 µ V Dropout voltage IO= 1A 25° C 2.0 V Bias current 25° C 4.8 8 mA Bias current change VI= 30V to 40V IO= 5mA to 1A 0° C to 125° C 1 0.5 Short-circuit output current 25° C 120 Peak output current 25° C 2.1 A * Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. ** This specification applies only for dc power dissipation permitted by absolute maximum ratings. 8 BEIJING ESTEK ELECTRONICS CO.,LTD |
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