SC8105B

SC8105B is a high-efficiency synchronous buck converter with few external components and is easy to use in compact applications. The device operates with input voltages from 2.3V to 5.5V with a typical switching frequency of 2.2MHz and supports output voltage from 0.6V to VIN. It integrates power MOSFETs and can support up to 2A load current. SC8105B can operate in the 100% duty cycle to offer a low input-to output voltage differential when the VIN equals VOUT. The device also features low quiescent current and PSM mode operation to maximum efficiency at light load. With PSM mode and low quiescent current during standby or light load, the device can further prolong battery life and is suitable for battery-powered applications. The device adopts a constant on-time control mode with internal compensation, which features excellent load transient performance and supports low equivalent series resistance output capacitors such as ceramic (MLCC) capacitors. SC8105B provides protections, including input under-voltage protection, cycle-by-cycle peak current limitation, and thermal shutdown protection with auto-recovery. SC8105B is available in FCSOT563 Package.