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DC1271A - LTC3854EDDB Demo Board | 4.5V ≤ VIN ≤ 14V, VOUT = 1.5V @ 15A

Demonstration circuit 1271 is a small foot print, high efficiency synchronous buck converter with 4.5V to 14V input range. It can supply 15A maximum load current at 1.5V output. The demo board features the LTC®3854EDDB controller. The controller features a 400kHz constant frequency current mode architecture and allows RSENSE or DCR inductor current sensing. The demo board is configured using RSENSE.

Demo Board Design File

• DC1271A - Design File

Demo Board Manual

• DC1271A - Demo Manual

Demo Board Schematic

• DC1271A - Schematic

LTspice

• LTC3854 Demo Circuit - Small Footprint Step-Down DC-DC Converter (4.5-14V to 1.5V @ 15A)

LTpowerCAD

• LTC3854 Project - Synchronous Step-Down Switching Supply with Inductor DCR Current Sensing (4.5-14V to 1.5V @ 15A)
• LTC3854 Project - Synchronous Step-Down Switching Supply with Rsense Current Sensing (4.5-14V to 1.5V @ 15A)

Products

• DC1271A - Design File
• LTC3854 Project - Synchronous Step-Down Switching Supply with Inductor DCR Current Sensing (4.5-14V to 1.5V @ 15A)
• LTC3854 Project - Synchronous Step-Down Switching Supply with Rsense Current Sensing (4.5-14V to 1.5V @ 15A)
• LTC3854 - Small Footprint, Wide VIN Range Synchronous Step-Down DC/DC Controller