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L7812C Datasheet(PDF) 15 Page - STMicroelectronics |
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L7812C Datasheet(HTML) 15 Page - STMicroelectronics |
15 / 57 page L78xx, L78xxC, L78xxAB, L78xxAC Electrical characteristics Doc ID 2143 Rev 30 15/57 VI = 23 V, IO = 1 A, TJ = 0 to 125 °C (L7815AC), TJ = -40 to 125 °C (L7815AB), unless otherwise specified. Table 10. Electrical characteristics of L7815A Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25°C 14.7 15 15.3 V VO Output voltage IO = 5 mA to 1 A, VI = 17.9 to 28 V 14.4 15 15.6 V VO Output voltage IO = 1 A, VI = 28 to 30 V, TJ = 25°C 14.4 15 15.6 V ΔVO (1) Line regulation VI = 17.9 to 30 V, IO = 500 mA, TJ = 25°C 13 150 mV VI = 20 to 26 V 16 150 mV VI = 20 to 26 V, TJ = 25°C 6 75 mV VI = 17.5 to 30 V, TJ = 25°C 13 150 mV ΔVO (1) Load regulation IO = 5 mA to 1 A 25 100 mV IO = 5 mA to 1.5 A, TJ = 25°C 30 100 IO = 250 to 750 mA 10 50 Iq Quiescent current TJ = 25°C 4.4 6 mA 6mA ΔIq Quiescent current change VI = 17.5 to 30 V, IO = 500 mA 0.8 mA VI = 17.5 to 30 V, TJ = 25°C 0.8 mA IO = 5 mA to 1 A 0.5 mA SVR Supply voltage rejection VI = 18.5 to 28.5 V, f = 120 Hz, IO = 500 mA 58 dB Vd Dropout voltage IO = 1 A, TJ = 25°C 2 V eN Output noise voltage TA = 25°C, B = 10Hz to 100 kHz 10 µV/VO RO Output resistance f = 1 kHz 19 m Ω Isc Short circuit current VI = 35 V, TA = 25°C 0.2 A Iscp Short circuit peak current TJ = 25°C 2.2 A ΔVO/ΔT Output voltage drift -1 mV/°C 1. 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. |
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Similar Description - L7812C |
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