The LTC3535EDD#TRPBF is a versatile and compact synchronous buck-boost DC/DC converter from Linear Technology, designed to efficiently regulate output voltages above, below, or equal to the input voltage. It is housed in a small 10-lead DFN package with a 3mm x 3mm footprint, making it an ideal solution for space-constrained applications.

Key Features

• Wide Input Voltage Range: The device operates from an input voltage range of 1.8V to 5.5V, accommodating a variety of power sources including single-cell lithium-ion batteries and multi-cell alkaline batteries.
• Adjustable Output Voltage: The output voltage is adjustable from 1.8V to 5.25V, which allows for a wide range of applications and ensures compatibility with various downstream components.
• High Efficiency: The LTC3535EDD#TRPBF features synchronous rectification, providing high efficiency over a broad range of load currents.
• Low Quiescent Current: Its low quiescent current of only 25µA during operation and 1µA in shutdown mode makes it suitable for battery-powered applications where power conservation is critical.
• Pin-Selectable Burst Mode® Operation: The converter can operate in Burst Mode, which allows for low ripple noise and high efficiency at light loads.
• Integrated Soft-Start: The built-in soft-start function minimizes inrush current during startup, providing a smooth power-up sequence for sensitive electronics.
• Over-Temperature Protection: The device includes over-temperature protection to safeguard the converter under extreme operating conditions.

Applications

The LTC3535EDD#TRPBF is suitable for a wide array of applications, including but not limited to portable instruments, handheld devices, GPS receivers, and small-scale energy harvesting systems. Its ability to provide a stable power supply regardless of the variability of the input voltage makes it an excellent choice for systems that require a reliable power source.

Conclusion

The LTC3535EDD#TRPBF from Linear Technology is a highly integrated synchronous buck-boost DC/DC converter that offers a compact solution, high efficiency, and flexibility for various applications. Its robust feature set ensures that it can meet the needs of complex power management requirements while maintaining performance and reliability.