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I would like to understand on the feedback transistor circuit in the given reverse voltage protection circuit.

Voltage Input: 7V to 32V.
enter image description here

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  • \$\begingroup\$ The best explanation can be found here youtube.com/watch?v=IrB-FPcv1Dc \$\endgroup\$ – G36 Sep 15 '19 at 11:24
  • \$\begingroup\$ What is your specific question relating to your lack of understanding of the circuit. I mean, do you understand ohms law or does someone contemplating an answer have to start with rudimentary basics. It’s far better if you explain what you do know so that a specific lack of understanding is apparent. \$\endgroup\$ – Andy aka Sep 15 '19 at 16:50
  • \$\begingroup\$ Hi, Can anybody explain what is the purpose of the T1, T2 & D2 in the above circuit ( PNP, NPN and Diode)? \$\endgroup\$ – Ravi Prasad Sep 20 '19 at 10:40
  • \$\begingroup\$ I'm not familiar with !NPN and !PNP notation, are those inverted? \$\endgroup\$ – Mast Nov 11 '19 at 9:56

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