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L7812AC Datasheet(PDF) 17 Page - STMicroelectronics |
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L7812AC Datasheet(HTML) 17 Page - STMicroelectronics |
17 / 57 page DocID2143 Rev 31 17/57 L78xx, L78xxC, L78xxAB, L78xxAC Electrical characteristics Refer to the test circuits, TJ = 0 to 125 °C, VI = 10 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified. Table 12. Electrical characteristics of L7805C Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25°C 4.8 5 5.2 V VO Output voltage IO = 5 mA to 1 A, VI = 7 to 18 V 4.75 5 5.25 V VO Output voltage IO = 1 A, VI = 18 to 20V, TJ = 25°C 4.75 5 5.25 V V O (1) Line regulation VI = 7 to 25 V, TJ = 25°C 3 100 mV VI = 8 to 12 V, TJ = 25°C 1 50 V O (1) Load regulation IO = 5 mA to 1.5 A, TJ = 25°C 100 mV IO = 250 to 750 mA, TJ = 25°C 50 Id Quiescent current TJ = 25°C 8 mA I d Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = 7 to 23 V 0.8 V O/T Output voltage drift IO = 5 mA -1.1 mV/°C eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25°C 40 µV/VO SVR Supply voltage rejection VI = 8 to 18 V, f = 120 Hz 62 dB Vd Dropout voltage IO = 1 A, TJ = 25°C 2 V RO Output resistance f = 1 kHz 17 m Isc Short circuit current VI = 35 V, TJ = 25°C 0.75 A Iscp Short circuit peak current TJ = 25°C 2.2 A 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 - L7812AC |
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