Diode Identification Help

Hi,

Could someone please help to identify the following following 16 pin diode (4mmx3mm)?
It has the marking of 3129 6182 e3.

diobe%203129

Thanks,

Hello @EngineerJZ

Per the part markings this looks to be a Linear Tech Part number LTC3129EMSE#TRPBF
Description : IC REG BCK BST ADJ 200MA 16MSOP