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Part Number: LM3481-Q1 Other Parts Discussed in Thread: LM3481
Hi team, from datasheet Duty cycle maximum is 85%. I want know what happen when we design Vin=5V,Vout=40V. is it Vout=33.33V or device not work, Vout=0V?
Hi Feng, customer design Vout=40V, when voltage supply start with Vin=7V, the output will rise and then decrease to 6.5V, look like the device turn off and Vout=Vin-Vdiode. but when power supply start with Vin=10V and then decrease Vin to 7V, the output voltage is 40V, it's normal.
Hi Feng, is there any excel table for calculate efficiency of LM3481? on customer case, the boost efficiency only have about 79~89% with 0-1A output current.
