LTC4380 Overvoltage Protection

LTC4380 Overvoltage Protection

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Thomas Scherer @ elektormagazine.com writes:

When it comes to protecting sensitive circuitry from potentially damaging over-voltage spikes and supply surges we usually resort to networks of coils, capacitors, resistors and suppression diodes to iron out the transients. The LTC4380 low quiescent current surge stopper IC from Linear Technology goes about it in a different way; it looks out for over-voltage nasties and switches a fast N-channel external series-connected MOSFET to limit the surge. The chip is just 3 mm square and draws very little quiescent current.

LTC4380 Overvoltage Protection – [Link]

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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