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LM5069: Short circuit before power up

Part Number: LM5069

When we do the measurement of the short circuit before power on, we find the device cannot be latched off with LM5069MMX-1. is this normal behavior? any workaround to latch off?

When doing short circuit after power on, the device can be latched off the FET. It's ok as expected behavior. 

Device: LM5069MMX-1 (Latch type)

 Application: Motor Drive

CH1: Input current

CH2: Timer pin voltage

CH3: Gate pin voltage

CH4: Input voltage