TMUX7436FPWR datasheet(29/50 Pages) TI2

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0 V

tRESPONSE (VDD)

Output

VDD + 0.5 V

0 V

Output × 50%

VDD

0 V

tRESPONSE (VSS)

Output

VSS - 0.5 V

0 V

Output × 50%

VSS

tRESPONSE = max ( tRESPONSE(VDD), tRESPONSE(VSS))

Max positive fault

Max negative fault

60V/µs

ramp

60 V/µs

ramp

VDD

VSS

VDD

VSS

0.1 µF

S1A

GND

Output

S1B

S2A

Output

S2B

Figure 7-9. Fault Response Time Measurement Setup

7.9 Fault Recovery Time

Fault recovery time (tRECOVERY) measures the delay between the source voltage falling from overvoltage

condition to below supply voltage (VDD or VSS) plus 0.5 V and the drain voltage rising from 0 V to 50% of

the final output voltage. Figure 7-10 shows the setup used to measure tRECOVERY.

VDD

VSS

VDD

VSS

0.1 µF

S1A

GND

Output

S1B

S2A

Output

S2B

tRECOVERY (VDD)

Output

VDD + 0.5 V

0 V

Output × 50%

Output

0 V

tRECOVERY = max ( tRECOVERY(VDD), tRECOVERY(VSS))

0 V

VSS - 0.5 V

0 V

Output x 50%

tRECOVERY (VSS)

Figure 7-10. Fault Recovery Time Measurement Setup

7.10 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 7-11 shows the setup used to measure tRESPONSE(FLAG).

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TMUX7436F

SCDS459A – OCTOBER 2022 – REVISED NOVEMBER 2022

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