Power Sequencer IC Suggestion

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strahd_von_zarovich

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Hi everyone,

My circuit uses +15V and -15V for power. However, when they open at very different times(6ms in this case) , one of my ICs can't initilize correctly. Is there an IC can you suggest for this purpose? So, It generates a signal or it bypasses the power voltages when they are 14V s for example.

Thanks in advance.
 

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I don't know of any piece-parts specifically for this but have designed some on-chip lockouts for similar interests (managing MMIC drain switch with an eye on the gate bias pin).

Generally a couple of FETs and couple of resistors, is all it takes, logic from there as fits the frame.
 

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