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gayatrikumar_1
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re: Power Tip 38: Simple latch circuit protects power supplies
gayatrikumar_1   8/19/2011 6:34:30 AM
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SCRs like NXL0840 NXPs can be used in this type of applications to save component count and board space. Ofcourse, your circuit has a benifit of configuring holding current. Good Idea !

GREATTerry
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re: Power Tip 38: Simple latch circuit protects power supplies
GREATTerry   8/16/2011 10:01:37 AM
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Good idea! It is a simple bandage to circuit that needs special turn-off.

mac_droz
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re: Power Tip 38: Simple latch circuit protects power supplies
mac_droz   8/15/2011 1:43:43 PM
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I think it is a good idea to have a resistor in series with Zener diodes on 48V side. Once you go above 27V+27V+LED voltage the current rises very quickly and the LED might get cooked. Happened to me.... Anyway good idea.



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