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For complete documentation, view the LTC3553-2 page

Part Number* Description Package Pins Price (1-99) Price (100+) QTY
LTC3553EUD-2#PBF Micropower USB Power Manager with Li-Ion Charger, LDO, and Buck Regulator QFN 20 $3.22 $2.73
LTC3553EUD-2#TRPBF Micropower USB Power Manager with Li-Ion Charger, LDO, and Buck Regulator QFN 20

Demo Boards

Part Number* Description Price (1-99) QTY
DC1920A LTC3553EUD-2 Demo Board I Micropower USB Power Manager with Li-Ion Charger, Always-On LDO and Buck Regulator $150.00 1

* When ordering part numbers ending in #TR or #TRM for quantities less than (or not an even multiple of) a full reel, parts will be shipped in bulk or cut tape