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LTC3871 not working

Question asked by BDC on May 6, 2018
Latest reply on May 8, 2018 by Ding.Li

I've designed a board based on LTC3871 chip. But it doesn't work at all. When I connent the supply in buck or boost mode, the V5 LDO of the IC would not work and everything is off. I dont know what is wrong. Please tell me if there is a point.

All the pins are connected according to the datasheet.