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TMDS181: Power-UP Timing Requirements

Part Number: TMDS181

Hi Team,

According to the DS of TMDS181IRGZR, the maximum time of VDD stable before VCC is only 200µs.

However, the delay time and soft-start time of the Vcc power regulator is over 200us. Please reference the waveform below, the actual measure td1 value is 520us.

Is there any concern or risk for the long td1 timing? Currently, all of the device function test is normal. Thank you.

Best regards,

Mike