The TC1303B-ZA0EUN shunt voltage regulator from Microchip Technology is a highly-efficient device that can maintain a consistent voltage across components within your circuit. This variable voltage regulator has 2 outputs. This variable voltage regulator has an input voltage of 2.7 to 5.5 V. Its switching regulator has a frequency of 2000(Typ) 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 variable voltage regulator has an operating temperature range of -40 °C to 85 °C.