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LM2931ADT33 Datasheet(PDF) 8 Page - STMicroelectronics |
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LM2931ADT33 Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 19 page LM2931 SERIES 8/19 ELECTRICAL CHARACTERISTICS OF LM2931ADJ (refer to the test circuits figure 2 with R1 = 27KΩ and R2 = 40.5KΩ,TJ = 25°C, CI =0.1 µF, CO = 100 µF, VI =14V, IO = 10mA, VINH = 0V, unless otherwise specified). Note 1: Reference Voltage is measured from VOUT to ADJ pin. Note 2: Vd measured when the output voltage has dropped 100mV from the nominal value obtained at 14V. 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 (Note 1) 1.14 1.2 1.26 V VREF Reference Voltage (Note 1) IO = 100 mA TJ = -40 to 125°C 1.08 1.2 1.32 V ∆V O Line Regulation VI = 3.6 to 26 V 0.6 4.5 mV ∆V O Load Regulation IO = 5 to 100 mA 9 30 mV Vd Dropout Voltage (Note 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 0.31mA ISC Short Circuit Current 100 300 mA SVR Supply Voltage Rejection IO = 100 mA VI =14± 2V f=120Hz 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 Ωτ < 100ms 60 70 V VI Reverse Polarity Input Voltage VO =± 0.3V RLOAD = 300 Ω -15 -50 V VI Reverse Polarity Input Voltage Transient RLOAD = 300 Ωτ < 100ms -50 V eN Output Noise Voltage B =10 Hz to 100 KHz 330 µV RMS |
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