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Current limiting is the practice in electrical or electronic circuits of imposing an upper limit on the current that may be delivered to a load with the purpose of protecting the circuit generating or transmitting the current from harmful effects due to a short-circuit or similar problem in the load.

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How does current limiting work for the UC3825B?

ILIM (pin 9) on the UC3825B is confusing to me. I know the current limit threshold voltage (typ. 1 V) and the overcurrent threshold voltage (typ. 1.2 V) from the datasheet, but I don't know how that i …