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UC1825: Regarding Pulse by Pulse current limiting using UC1825 in Buck DC-DC Converter

Part Number: UC1825

I am trying to implement pulse by pulse limiting using UC1825 in buck converter where inductor current is sensed. Sensed current using resistor divider is applied to Ilimit pin of UC1825 (Pin No.9)

Sensed current using resistor divider is applied to Ilimit pin of UC1825 (Pin No.9) or Internal Error amplifier output is pulled down using transistor once current crosses pre-defined threshold?

Which is the best way to implement pulse by pulse current limiting in above application?

unlock 11/16/2017