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For complete documentation, view the LTC3731 page

Part Number* Description Package Pins Price (1-99) Price (100+) QTY
LTC3731CG#PBF 3-Phase Buck controller with PLL SSOP 36 $6.16 $5.07
LTC3731CG#TRPBF 3-Phase Buck Controller with PLL SSOP 36
LTC3731CUH#PBF 3-Phase Buck Controller with PLL QFN 32 $6.52 $5.37
LTC3731CUH#TRPBF 3-Phase Buck Controller with PLL QFN 32
LTC3731IG#PBF 3-Phase, 600kHz, Synch Buck Controller SSOP 36 $6.88 $5.66
LTC3731IG#TRPBF 3-Phase, 600kHz, Synch Buck Controller SSOP 36
LTC3731IUH#PBF 3-Phase, 600kHz, Synch Buck Controller QFN 32 $5.89 $5.27
LTC3731IUH#TRPBF 3-Phase, 600kHz, Synch Buck Controller QFN 32

Demo Boards

Part Number* Description Price (1-99) QTY
DC438A LTC3731CG | 3-Phase, Vin = 9V to 14V, Vout = 2.5V/1.8V @ 60A $150.00 1
DC558A LTC3731CUH Demo Board | 3-Phase, Vin = 5V to 14V, Vout = 1.5V/60A 1 Contact Factory
DC561A-A LTC3731CUH (x4) | 12-Phase, 10V - 14Vin, 1.5Vout @ 180A $175.00 1
DC561A-B LTC3731CUH (x2) | 6-Phase, 10V - 14Vin, 1.5Vout @ 90A 1 Contact Factory
DC721A-A LTC3738CUHF/LTC3731CUH Demo Board | 6-Phase, 8V ≤ VIN ≤ 14V, Vout = VRM9.X / 10.X @ 120A 1 Contact Factory

* 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