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L7805CV Datasheet(PDF) 24 Page - STMicroelectronics |
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L7805CV Datasheet(HTML) 24 Page - STMicroelectronics |
24 / 56 page Electrical characteristics L78xx - L78xxC 24/56 Table 19. Electrical characteristics of L7812C (refer to the test circuits, TJ = 0 to 150 °C, VI = 19 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified) Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25°C 11.5 12 12.5 V VO Output voltage IO = 5 mA to 1 A, PO ≤15 W VI = 14.5 to 27 V 11.4 12 12.6 V ΔVO(1) Line regulation VI = 14.5 to 30 V, TJ = 25°C 240 mV VI = 16 to 22 V, TJ = 25°C 120 ΔVO(1) Load regulation IO = 5 mA to 1.5 A, TJ = 25°C 240 mV IO = 250 to 750 mA, TJ = 25°C 120 Id Quiescent current TJ = 25°C 8 mA ΔId Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = 14.5 to 30 V 1 ΔVO/ΔT Output voltage drift IO = 5 mA -1 mV/°C eN Output noise voltage B =10 Hz to 100 kHz, TJ = 25°C 75 µV/VO SVR Supply voltage rejection VI = 15 to 25 V, f = 120 Hz 55 dB Vd Dropout voltage IO = 1 A, TJ = 25°C 2 V RO Output resistance f = 1 kHz 18 m Ω Isc Short circuit current VI = 35 V, TJ = 25°C 0.35 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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