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L7805CV Folha de dados(PDF) 12 Page - STMicroelectronics |
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L7805CV Folha de dados(HTML) 12 Page - STMicroelectronics |
12 / 56 page Electrical characteristics L78xx - L78xxC 12/56 Table 7. Electrical characteristics of L7812 (refer to the test circuits, TJ = -55 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 = 15.5 to 27 V 11.4 12 12.6 V ΔVO(1) Line regulation VI = 14.5 to 30 V, TJ = 25°C 120 mV VI = 16 to 22 V, TJ = 25°C 60 ΔVO(1) Load regulation IO = 5 mA to 1.5 A, TJ = 25°C 100 mV IO = 250 to 750 mA, TJ = 25°C 60 Id Quiescent current TJ = 25°C 6 mA ΔId Quiescent current change IO = 5 mA to 1 A 0.5 mA VI = 15 to 30 V 0.8 ΔVO/ΔT Output voltage drift IO = 5 mA 1.5 mV/°C eN Output noise voltage B =10 Hz to 100 kHz, TJ = 25°C 40 µV/VO SVR Supply voltage rejection VI = 15 to 25 V, f = 120 Hz 61 dB Vd Dropout voltage IO = 1 A, TJ = 25°C 2 2.5 V RO Output resistance f = 1 kHz 18 m Ω Isc Short circuit current VI = 35 V, TJ = 25°C 0.75 1.2 A Iscp Short circuit peak current TJ = 25°C 1.3 2.2 3.3 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. |
Nº de peça semelhante - L7805CV |
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Descrição semelhante - L7805CV |
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