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LM5032 abnormal pulse in the falling of pwm when large duty cycle

JLgao jianlonggao
Prodigy 10 points

Interleaved boost application, input voltage is about 30V, output voltage is about 100V, RT = DCL = 47K, in the test, we found the abnormal pulse in the falling of PWM, details is in below. Ch1-OUT1, Ch2-OUT2....Thank you!