The S-8520A34MC-AVTT2U is a buck regulator integrated circuit (IC) from ABLIC Inc. It is an efficient step-down voltage regulator that operates at a frequency of 180 kHz. The IC is designed to operate with an input voltage range of 2.5V to 10V and has a maximum duty cycle of 100%. It features an enable control function and a single output configuration that is positive. The IC is housed in a SC-74A, SOT-753 package and is mounted using surface mount technology (SMT). The S-8520A34MC-AVTT2U is ideal for use in a variety of applications, including voltage regulation in power supplies and battery-powered devices.