The LM5025C is a functional variant of the LM5025 activeclamp PWM controller. The functional differences of theLM5025C are: The maximum duty cycle of the LM5025C isincreased from 80% to 91%. The soft-start capacitor chargingcurrent is increased from 20 μA to 90 μA. The VCC regulatorcurrent limit threshold is increased from 25 mA to 55 mA. TheCS1 and CS2 current limit thresholds have been increased to0.5V. The internal CS2 filter discharge device has been disabledand no longer operates each clock cycle. The internalVCC and VREF regulators continue to operate when the lineUVLO pin is below threshold.
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