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IRS20957STRPBF Datasheet(PDF) 8 Page - International Rectifier |
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IRS20957STRPBF Datasheet(HTML) 8 Page - International Rectifier |
8 / 16 page IRS20957S www.irf.com © 2008 International Rectifier 8 Protection (continued) Symbol Description Min Typ Max Units Test Conditions tSD Shutdown propagation delay from VCSD > VSS + VthOCH to Shutdown - - 250 Figure 2 tOCH Propagation delay time from VCSH > VthOCH to Shutdown - - 500 Figure 4 tOCL Propagation delay time from Vs> VthOCL to Shutdown - - 500 ns Figure 3 Gate Driver Io+ Output high short circuit current (Source) - 1.0 - Vo=0V, PW<10µS Io- Output low short circuit current (Sink) - 1.2 - A Vo=12V, PW<10µS VOL Low level out put voltage LO – COM, HO – VS - - 0.1 Io=0A VOH High level out put voltage VCC – LO, VB – HO - - 1.4 V Io=0A tr Turn-on rise time - 15 - tf Turn-off fall time - 10 - Ton_1 High and low side turn-on propagation delay, floating inputs - 95 - VDT = VCC, VS = 100V, VSS = 100V Toff_1 High and low side turn-off propagation delay, floating inputs - 80 - VDT = VCC, VS = 100V, VSS = 100V Ton_2 High and low side turn-on propagation delay, non- floating inputs - 95 - VDT = VCC, VS = 100V, VSS = COM Toff_2 High and low side turn-off propagation delay, non- floating inputs - 80 - VDT = VCC, VS = 100V, VSS = COM DT1 Deadtime: LO turn-off to HO turn-on (DTLO-HO) & HO turn- off to LO turn-on (DTHO-LO) 8 15 22 VDT>VDT1, VSS = COM DT2 Deadtime: LO turn-off to HO turn-on (DTLO-HO) & HO turn- off to LO turn-on (DTHO-LO) 15 25 35 VDT1>VDT> VDT2, VSS = COM DT3 Deadtime: LO turn-off to HO turn-on (DTLO-HO) & HO turn- off to LO turn-on (DTHO-LO) 20 35 50 VDT2>VDT> VDT3, VSS = COM DT4 Deadtime: LO turn-off to HO turn-on (DTLO-HO) & HO turn- off to LO turn-on (DTHO- LO)VDT= VDT4 50 80 110 ns VDT3>VDT, VSS = COM VDT1 DT mode select threshold 1 0.51xVcc 0.57xVcc 0.63xVcc VDT2 DT mode select threshold 2 0.32xVcc 0.36xVcc 0.40xVcc VDT3 DT mode select threshold 3 0.21xVcc 0.23xVcc 0.25xVcc V |
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