The LTC3129EUD-1#PBF is a high-efficiency, 200mA buck-boost DC/DC converter from Linear Technology, designed to extend the life of a battery in portable systems by efficiently converting battery voltages or harvesting energy from low voltage sources. This versatile converter is an excellent solution for applications requiring a regulated output voltage with an input voltage that may be above, below, or equal to the output voltage.

Key Features

• Wide Input Voltage Range: Capable of operating from an input voltage range of 2.42V to 15V, the LTC3129EUD-1#PBF is suitable for a variety of power sources including single or multiple cell batteries, supercapacitors, and even energy harvesting sources.
• Adjustable Output Voltage: The output voltage is adjustable from 1.8V to 5.25V, making it highly versatile for different circuit requirements.
• High Efficiency: With its up to 95% conversion efficiency and low quiescent current, this converter maximizes the use of available energy, making it ideal for energy-sensitive applications.
• Burst Mode® Operation: The inclusion of Burst Mode operation ensures high efficiency at low output currents and maintains a low quiescent current, which is crucial for extending battery life in portable devices.
• Programmable Average Input Current Limit: Users can set an input current limit to prevent overloading the input source, particularly useful in energy harvesting applications.
• Integrated Fault Protection: Features like over-temperature protection, short-circuit protection, and true output disconnect during shutdown protect both the converter and the connected load.
• Compact Package: The device comes in a compact, thermally efficient 16-lead QFN package that is suitable for space-constrained applications.

Applications

The LTC3129EUD-1#PBF is well-suited for a range of applications, including but not limited to:

• Energy Harvesting Systems
• Wireless Sensors
• Portable and Wearable Devices
• Remote Monitoring
• Backup Power Supplies

This product from Linear Technology ensures a reliable and efficient power management solution for designers looking to optimize the power consumption of their systems while maintaining a regulated output voltage across diverse operating conditions.