根据官方提供的咨询,我们在E络盟买了30片LM27762,外围电路也是严格按照规格书LAYOUT,但是输出电压=输入电压,没有升压的效果,恳请给予指导,谢谢了!
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Hi
测试一下CP的电压?以及CP与OUT-阻抗上测量是否短路?
以及测试Vin与OUT+阻抗上测量是否短路?
如果没有短路,你需要注意确认你的应用和焊接? LM27762是一个LOD和反向chargepump+LDO.