Adjust the voltage level of your devices with this step down TPS54550PWPG4 DC to DC converter from Texas Instruments. This converter"s single output can produce a current up to 6 A. With a small input voltage of 4.5 V and a max of 20 V, this will supply sufficient power to your circuit. With an adjustable output that has a voltage of 0.891(Min) V, this is power management at its best. It has a switching frequency of 300|600|225 to 770 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 converter has a minimum operating temperature of -40 °C and a maximum of 150 °C.