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Texas Instruments TPSM861253EVM Evaluation Module is a fully assembled and tested circuit for evaluating the TPSM861253. The TPSM861253 is a simple, easy-to-use, 1A synchronous step-down buck module. The TI TPSM861253EVM has an operating range from 3V to 17V input (12V nominal) and supplies a 3.3V output at 1A. The TPSM861253EVM includes AC signal injection terminals for feedback loop measurements.