创唯电子销售集成电路 (IC) - 切换 DC DC 转换器和控制器, LT3991EMSE#TRPBF, LT3991EMSE-3.3#PBF, LT3991EMSE-3.3#TRPBF, LT3991EMSE-5#PBF, LT3991EMSE-5#TRPBF, LT3991IDD#PBF, LT3991IDD#TRPBF, LT3991IMSE#PBF, LT3991IMSE#TRPBF, LT3991IMSE-3.3#PBF, LT3991IMSE-3.3#TRPBF, LT3991IMSE-5#PBF.