The Chipown AP2972ATCER is a DC-DC converter step-down adjustable 1 4.5V to 16V, 2A, SOT-23-6L RoHS. It is a monolithic integrated circuit (IC) and is designed to facilitate efficient and cost-effective power supply conversion from a higher voltage to a lower voltage for electronic products. The device features low ESR, high efficiency, high output current and low ripple noise, as well as excellent load regulation and transient responses. Its high efficiency operation helps reduce power dissipation and its simple external components reduce design time and complexity. This device is RoHS compliant, simple to use, and widely used in mobile electronics, IoT, consumer, and communication applications.