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L7885CV Arkusz danych(PDF) 11 Page - STMicroelectronics |
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L7885CV Arkusz danych(HTML) 11 Page - STMicroelectronics |
11 / 58 page DocID2143 Rev 32 11/58 Positive voltage regulator ICs Electrical characteristics 58 VI = 14 V, IO = 1 A, TJ = 0 to 125 °C (L7808AC), TJ = -40 to 125 °C (L7808AB), unless otherwise specified(c). c. Minimum load current for regulation is 5 mA. Table 5. Electrical characteristics of L7808A Symbol Parameter Test conditions Min. Typ. Max. Unit VO Output voltage TJ = 25°C 7.84 8 8.16 V VO Output voltage IO = 5 mA to 1 A, VI = 10.6 to 21 V 7.7 8 8.3 V VO Output voltage IO = 1 A, VI = 21 to 23 V, TJ = 25°C 7.7 8 8.3 V ΔVO (1) Line regulation VI = 10.6 to 25 V, IO = 500 mA, TJ = 25°C 12 80 mV VI = 11 to 17 V 15 80 mV VI = 11 to 17 V, TJ = 25°C 5 40 mV VI = 10.4 to 23 V, TJ = 25°C 12 80 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 4.3 6 mA 6mA ΔIq Quiescent current change VI = 11 to 23 V, IO = 500 mA 0.8 mA VI = 10.6 to 23 V, TJ = 25°C 0.8 mA IO = 5 mA to 1 A 0.5 mA SVR Supply voltage rejection VI = 11.5 to 21.5 V, f = 120 Hz, IO = 500 mA 62 dB Vd Dropout voltage IO = 1 A, TJ = 25°C 2 V eN Output noise voltage TA = 25°C, B =10 Hz to 100 kHz 10 µV/VO RO Output resistance f = 1 kHz 18 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 -0.8 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. |
Podobny numer części - L7885CV |
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Podobny opis - L7885CV |
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