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TMUX7413FRRPR Datasheet(PDF) 28 Page - Texas Instruments |
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TMUX7413FRRPR Datasheet(HTML) 28 Page - Texas Instruments |
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28 / 48 page ![]() 8.8 Fault Flag Response Time Fault flag response time (tRESPONSE(FLAG)) measures the delay between the source voltage exceeding the fault supply voltage (VDD or VSS) by 0.5 V and the general fault flag (FF) pin to go below 10% of its original value. Figure 8-9 shows the setup used to measure tRESPONSE(FLAG). VS 0 V tRESPONSE(FLAG)_VDD VFF VDD + 0.5 V 0 V 0.5 V VS 0 V tRESPONSE(FLAG)_VSS VFN - 0.5 V tRESPONSE(FLAG) = max ( tRESPONSE(FLAG)_VDD, tRESPONSE(FLAG)_VSS) 5 V VFF 0.5 V 5 V 0 V CL_FF GND RPU 5 V GND RL VS GND CL GND VDD VSS VDD VSS GND 0.1 µF GND 0.1 µF Sx GND GND Dx All other source and drain pins SW FF Figure 8-9. Fault Flag Response Time Measurement Setup 8.9 Fault Flag Recovery Time Fault flag recovery time (tRECOVERY(FLAG)) measures the delay between the source voltage falling from overvoltage condition to below fault supply voltage (VDD or VSS) plus 0.5 V and the general fault flag (FF) pin to rise above 3 V with 5 V external pull-up. Figure 8-10 shows the setup used to measure tRECOVERY(FLAG). tRECOVERY(FLAG)_VDD VFF CL_FF GND 0 V 3 V tRECOVERY(FLAG)_VSS tRECOVERY(FLAG) = max ( tRECOVERY(FLAG)_VDD, tRECOVERY(FLAG)_VSS) 5 V 0 V 3 V 5 V RPU 5 V VDD + 0.5 V 0 V VDD - 0.5 V 0 V VS GND RL VS GND CL GND VDD VSS VDD VSS GND 0.1 µF GND 0.1 µF Sx GND GND Dx All other source and drain pins SW FF VS VFF Figure 8-10. Fault Flag Recovery Time Measurement Setup TMUX7411F, TMUX7412F, TMUX7413F SCDS404B – MARCH 2021 – REVISED NOVEMBER 2022 www.ti.com 28 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: TMUX7411F TMUX7412F TMUX7413F |
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