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UC3825: Can you suggest another PWM modulator?

YEONJUNG KIM
Prodigy 10 points
Part Number: UC3825

I use UC3825AN and UC3823AN for experiment. In my researches, I use peak current mode control converters. First I have doubt with error amplifier. Saturation of this is 5V. But I want to know that saturation voltage can be increased. Or can you suggest another device which has that property or higher saturation voltage than that. Another question is that I apply compensation ramp so I don't need 1.25V internal input offset. Can I remove it or can you recommend other device which is without that property.