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LMK04828: LMK04828 PLL Locking issue in High Temp

Blessing Selvakumar
Prodigy 135 points

Part Number: LMK04828

Team,

We are using LMK04828b in our design.We are facing PLL Locking issue in High temperature(50 deg). We tried to Debug the issue by switching the Holdover_en and Hitless switching in various combination.PLL is getting locked only when Hitless switching and holdover_en are disabled.Kindly support.

Thanks and Regards,
Blessing.Selvakumar,
Hardware Design Engineer,
Datapatterns(India) Ltd.