The LTC3129EMSE-1#PBF from Analog Devices Inc. is a high-efficiency, 200mA buck-boost DC/DC converter with a wide input and output voltage range. It is designed to operate as a constant-current, constant-voltage source and is ideal for battery-powered applications. This versatile component can automatically transition between step-down and step-up modes to provide a stable output voltage even when the input voltage crosses over the output voltage.

The LTC3129EMSE-1#PBF supports an input voltage range from 2.42V to 15V, making it suitable for a variety of power sources including single-cell Li-Ion, multi-cell alkaline, or NiMH batteries, as well as energy harvesting systems and industrial power supplies. Its output voltage is programmable between 1.8V and 5.25V, which allows it to power a broad range of devices and systems.

With its Burst Mode® operation, the LTC3129EMSE-1#PBF ensures high efficiency at low output currents while maintaining a low quiescent current, which extends battery life in portable applications. The converter also features selectable fixed frequency operation and a programmable peak current limit, providing design flexibility and optimization for various applications.

The device is housed in a compact 16-lead MSOP package with a thermal pad for enhanced thermal performance. Its robust design includes over-temperature protection and short-circuit protection, ensuring reliable operation under adverse conditions. The LTC3129EMSE-1#PBF is a high-quality power management solution for designers looking to enhance the performance and efficiency of their portable or space-constrained electronic systems.

Key features of the LTC3129EMSE-1#PBF include:

• Wide VIN Range: 2.42V to 15V
• Adjustable VOUT Range: 1.8V to 5.25V
• 200mA Output Current
• High Efficiency: Up to 95%
• Low Quiescent Current and Burst Mode® Operation
• Programmable Peak Current Limit
• Over-Temperature and Short-Circuit Protection
• Compact 16-Lead MSOP Package with Thermal Pad