SLUAAO5B January 2023 – August 2024 TPS561243 , TPS561246 , TPS562202 , TPS562203 , TPS562206 , TPS562207 , TPS562242 , TPS562243 , TPS562246 , TPS563202 , TPS563203 , TPS563206 , TPS563207 , TPS563252 , TPS563257 , TPS564242 , TPS564247 , TPS564252 , TPS564255 , TPS564257 , TPS565242 , TPS565247 , TPS566242 , TPS566247
Buck converter applications commonly require co-layout between devices with different pinouts due to the design flexibility this provides. This application note focuses on how to co-layout among three types of SOT-563 packages. First, the pinout of TPS56x252/7, TPS56x242/7, TPS56x243/6 and TPS56x203/6 are compared. Next, the schematic design is introduced. Finally, this application design is verified based on experiments.
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The TPS56x252/7, TPS56x242/7, TPS56x243/6 and TPS56x203/6 are all single output, adaptive on-time, D-CAP3™ control mode, synchronous buck converters that require very low external component count in SOT-563 packages. However, the pinout for each device is slightly different. This application note mainly discusses how to do co-layout among TPS56x252/7, TPS56x242/7, TPS56x243/6 and TPS56x203/6.