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L9779WD データシート(PDF) 61 Page - STMicroelectronics |
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L9779WD データシート(HTML) 61 Page - STMicroelectronics |
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61 / 170 page  DocID027452 Rev 5 61/170 L9779WD Functional description 169 Table 25. LSc diagnosis electrical characteristics Pin Symbol Parameter Test condition Min Typ Max Unit OUT19,20 IOVC Over current threshold - 70 - 130 mA TFILTEROVC Over current filtering time Tested by scan 2 4 5 µs TFILTERdiagoff Filtering open load and short to GND diag. off Tested by scan 35 50 65 µs Td_mask Diagnosis mask delay after switch-off Tested by scan 300 - 500 µs VHVT Open load threshold voltage - VOutopen +160mV -3 V VOutopen Output open load voltage - 2.3 - 2.7 V VLVT Output short-circuit to GND threshold voltage -1.9 - VOutopen -200mV V IOUT_PD Output diagnostic pull down current Off state Vpin = 5 V 50 - 110 µA IOUT_PU Output diagnostic pull up current Off state Vpin = 1.5 V 110 160 210 µA Itopen Open load threshold current - 30 - 110 µA VS/R ON Voltage R On R = 270 Ω Cload = 10 F From 80% to 30% of VOUT 2- 6 V/µs VS/R OFF Voltage R Off 5 - 14 V/µs |
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