--BawA--
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I have seen that in sg3525 based power inverter , the overload protection module incorporates two opamps, why is this so?
i mean we simple monitor the current and compare it with a reference , using one opamp and connect the output of opamp to the pin 10 of sg3525. but many schematics contains 2 opamps in cascade , why?
i mean we simple monitor the current and compare it with a reference , using one opamp and connect the output of opamp to the pin 10 of sg3525. but many schematics contains 2 opamps in cascade , why?