LTC3621IMS8E-2#PBF

The LTC3621IMS8E-2#PBF is a highly efficient, low quiescent current, synchronous buck-boost DC/DC converter designed to operate from a wide range of input sources including single or multiple lithium batteries, supercapacitors, and external supplies. This versatile converter features a wide input voltage range of 2.25V to 5.5V, making it ideal for a variety of battery-powered applications. The device can deliver an adjustable output voltage from 2.2V to 5.2V, making it suitable for a range of applications, including portable electronics, industrial equipment, and medical devices. The LTC3621IMS8E-2#PBF offers excellent efficiency, with its monolithic buck-boost architecture ensuring seamless operation through transitions between battery and external power sources. It features a fixed frequency burst mode operation to maximize efficiency at light loads, while also delivering low output ripple and noise. This highly integrated device includes a wide range of protection features, such as input/output under-voltage lockout, overcurrent and short-circuit protection, and thermal shutdown. The device is available in an 8-lead, thermally enhanced MSOP package, making it ideal for space-constrained applications.