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For complete documentation, view the LT1959 page

Part Number* Description Package Pins Price (1-99) Price (100+) QTY
LT1959CR#PBF 4.5A 500kHz Stepdown Sw Reg DD PAK 7 $5.61 $5.00
LT1959CR#TRPBF 4.5A 500kHz Stepdown Sw Reg DD PAK 7
LT1959CS8#PBF 4.5A 500kHz Stepdown Sw Reg SO 8 $5.19 $4.69
LT1959CS8#TRPBF 4.5A 500kHz Stepdown Sw Reg SO 8
LT1959IR#PBF 4.5A 500kHz Stepdown Sw Reg DD PAK 7 $6.39 $5.75
LT1959IR#TRPBF 4.5A 500kHz Stepdown Sw Reg DD PAK 7
LT1959IS8#PBF 4.5A 500kHz Stepdown Sw Reg SO 8 $5.98 $5.38
LT1959IS8#TRPBF 4.5A 500kHz Stepdown Sw Reg SO 8

Demo Boards

Part Number* Description Price (1-99) QTY
DC355A LT1959CS8 | 4.5A Switch, 500kHz Step-Down Regulator, 5V to 15Vin, 1.8Vout @ 4A $150.00 1
DC356A LT1959CR | 4.5A Switch, 500kHz Step-Down Regulator, 5V to 15Vin, 1.8Vout @ 4A $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