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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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L9779WD 数据表(PDF) 57 Page - STMicroelectronics |
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L9779WD 数据表(HTML) 57 Page - STMicroelectronics |
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57 / 170 page  DocID027452 Rev 5 57/170 L9779WD Functional description 169 For OUT 5 only the following parameters are different with respect to OUT1 to 4. OUT5 PWclampRP Clamp repetitive pulses Freq = 30 Hz Tc < 135°C; I_OUT5 < 0.7 A 4.55 Mio cycles -- 12 mJ Tc < 140°C; I_OUT5 < 0.7 A 3.5 Mio cycles -- 12 Tc < 145°C; I_OUT5 < 0.7 A 3.5 Mio cycles -- 12 Table 19. LSa electrical characteristics (continued) Pin Symbol Parameter Test condition Min Typ Max Unit Table 20. LSa diagnosis electrical characteristics Pin Symbol Parameter Test condition Min Typ Max Unit OUT 1 to 5 Ropen load Min resistor value open load detection Not tested 500 - - k Imax Output current Not tested - 2.2 - A IOVC Over current threshold - 3 - 6 A TFILTEROVC Over current filtering time Tested by scan 2 3 4 µs TFILTERdiaggoff Filtering open load and short to gnd diag. off Tested by scan 35 50 65 µs Td_mask Diagnosis Mask time after switch-off Tested by scan 300 - 500 µs VHVT Open load threshold voltage - VOutopen +120mV -3 V VOutopen Open load output voltage Open load condition 2.3 - 2.7 V VLVT Output short-circuit to GND voltage range threshold -1.9 - VOutopen -200mV V IOUT_PD Output diagnostic pull down current Off state Vpin = 5 V 50 - 110 µA OUT 1 to 5 IOUT_PU Output diagnostic pull up current Off state Vpin = 1.5 V 110 160 210 µA Itopen Open load threshold current -30 - 90 µA Table 21. LSa diagnosis electrical characteristics (OUT 5) Pin Symbol Parameter Test condition Min Typ Max Unit OUT 5 Imax Output current Not tested - 3 - A IOVC Over current threshold - 3.7 - 6.9 A |
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