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LM2931ADT50R Datenblatt(PDF) 10 Page - STMicroelectronics |
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LM2931ADT50R Datenblatt(HTML) 10 Page - STMicroelectronics |
10 / 23 page Electrical characteristics LM2931XX - LM2931AXX33 - LM2931AXX50 - LM2931BXX50 10/23 Table 7. Electrical characteristics of LM2931xx (refer to the application circuit Figure 4 with R1 = 27 KΩ and R2 = 40.5 kΩ, TJ = 25 °C, CI = 0.1 µF, CO = 100 µF, VI = 14 V, IO = 10 mA, VINH = 0 V, unless otherwise specified). Symbol Parameter Test conditions Min. Typ. Max. Unit VI Maximum operating input voltage IO = 10 mA, TJ = -40 to 125°C 26 37 V VREF Reference voltage (1) 1.14 1.2 1.26 V VREF Reference voltage (1) IO = 100 mA, TJ = -40 to 125°C 1.08 1.2 1.32 V ΔVO Line regulation VI = 3.6 to 26 V 0.6 4.5 mV ΔVO Load regulation IO = 5 to 100 mA 9 30 mV Vd Dropout voltage (1) (2) IO = 10 mA 90 200 mV IO = 100 mA 250 600 Id Quiescent current ON MODE IO = 100 mA 2.5 30 mA OFF MODE VINH = 2.5 V, RLOAD = 300 Ω 0.3 1 mA ISC Short circuit current 100 300 mA SVR Supply voltage rejection IO = 100 mA, VI = 14 ± 2 V f = 120 Hz, TJ = -40 to 125°C 55 80 dB VIL Control input voltage low TJ = -40 to 125°C 2 1.2 V VIH Control input voltage high TJ = -40 to 125°C 3.25 2 V IINH Inhibit input current VINH = 2.5 V 22 50 µA VI Transient input voltage RLOAD = 300 Ω, τ < 100ms 60 70 V VI Reverse polarity input voltage VO = ± 0.3 V, RLOAD = 300 Ω -15 -50 V VI Reverse polarity input voltage transient RLOAD = 300 Ω, τ < 100ms -50 V eN Output noise voltage B = 10 Hz to 100 kHz 330 µVRMS 1. Reference voltage is measured from VOUT to ADJ pin. 2. Vd measured when the output voltage has dropped 100 mV from the nominal value obtained at 14 V. |
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