HT71xx-1A series is a group ofCMOSThree-terminal low-power high-voltage voltage regulator realized with technology。The allowed input voltage can be up to30V。Has several fixed output voltages,Range from2.1Varrive5.0V.CMOStechnology ensures low voltage drop and low quiescent current。Although designed primarily for fixed voltage regulators,But theseICCan be combined with external components to obtain variable voltage and current。