The HT73xx-7 is a low power high voltage series of regulators implemented in CMOS technology which has the advantages of low voltage drop and low quiescent current.The Holtek HT73xx-7 series are fixed-output low-dropout (LDO) linear voltage regulators designed for reliable power supply in compact and battery-powered electronics. They provide up to 300 mA output current with low quiescent current, ensuring efficient operation in portable devices. The series includes built-in overcurrent and thermal protection for safe operation. Available in multiple standard output voltages, the HT73xx-7 regulators are ideal for powering MCUs, sensors, and other low-voltage digital circuits in consumer electronics, IoT devices, and industrial applications.