公式有,RFB1和RFB2可以確定,CFB怎么確定啊?
RFB:Set up so that RFB1/RFB2=(Vout-3.3)/3.3 (Vout=set-up output voltage),
Please use with RFB1 +RFB2≤2M ?
CFB:Set up that Fzfb=1/(2×π×CFB×RFB1) is within the Adjustments necessary in respect of L,CL.
求助升壓IC
誰(shuí)知道后面的FB輸出端的電阻電容值怎么確定的啊?
公式有,RFB1和RFB2可以確定,CFB怎么確定啊?
RFB:Set up so that RFB1/RFB2=(Vout-3.3)/3.3 (Vout=set-up output voltage),
Please use with RFB1 +RFB2≤2M ?
CFB:Set up that Fzfb=1/(2×π×CFB×RFB1) is within the Adjustments necessary in respect of L,CL.
公式有,RFB1和RFB2可以確定,CFB怎么確定啊?
RFB:Set up so that RFB1/RFB2=(Vout-3.3)/3.3 (Vout=set-up output voltage),
Please use with RFB1 +RFB2≤2M ?
CFB:Set up that Fzfb=1/(2×π×CFB×RFB1) is within the Adjustments necessary in respect of L,CL.
全部回復(fù)(2)
正序查看
倒序查看
