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Issue observed with TDE1747 IC - Input terminals reflecting supply voltage

Praveenv
Associate

Hello,

I built a test circuit similar to one provided in the TDE1747 datasheet (Figure 3). During testing, I observed that immediately after powering on, the power supply voltage appears at both inverting and noninverting terminal of the IC. This behaviour is consistent across two different TDE174 ICs.

Could you please help identify the possible root cause of this issue?

 

Thank You.

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