Texas Instruments" synchronous buck TPS40071PWP DC voltage controller will provide the proper DC voltage level for each component within your electronic project. This DC voltage controller has single output. This DC voltage controller has an input voltage of 4.5 to 28 V. You can operate this at a switching frequency of 1000 kHz. In order to ensure parts aren"t damaged by bulk packaging, this product comes in tube packaging to add a little more protection by storing the loose parts in an outer tube. This DC voltage controller has an operating temperature range of -40 °C to 85 °C.