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L7805CV 데이터시트(PDF) 25 Page - STMicroelectronics |
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L7805CV 데이터시트(HTML) 25 Page - STMicroelectronics |
25 / 56 page L78xx - L78xxC Electrical characteristics 25/56 Table 20. Electrical characteristics of L7815C (refer to the test circuits, TJ = 0 to 150 °C, VI = 23 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 14.5 15 15.6 V VO Output voltage IO = 5 mA to 1 A, PO ≤15 W VI = 17.5 to 30 V 14.25 15 15.75 V ΔVO(1) Line regulation VI = 17.5 to 30 V, TJ = 25°C 300 mV VI = 20 to 26 V, TJ = 25°C 150 ΔVO(1) Load regulation IO = 5 mA to 1.5 A, TJ = 25°C 300 mV IO = 250 to 750 mA, TJ = 25°C 150 Id Quiescent current TJ = 25°C 8 mA ΔId Quiescent current change IO = 5 mA to 1A 0.5 mA VI = 17.5 to 30 V 1 ΔVO/ΔT Output voltage drift IO = 5 mA -1 mV/°C eN Output noise voltage B =10 Hz to 100kHz, TJ = 25°C 90 µV/VO SVR Supply voltage rejection VI = 18.5 to 28.5 V, f = 120 Hz 54 dB Vd Dropout voltage IO = 1 A, TJ = 25°C 2 V RO Output resistance f = 1 kHz 19 m Ω Isc Short circuit current VI = 35 V, TJ = 25°C 0.23 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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