Linear Technology's LT3687EDC Step-Down Converter

The LT3687EDC from Linear Technology is a high-performance, adjustable frequency, 36V, 800mA step-down DC/DC converter designed to meet the needs of a wide range of power supply applications. Packaged in a compact 2mm x 3mm DFN package, this converter is ideal for space-constrained applications while offering robust power delivery and efficiency.

Key Features:

• Wide Input Voltage Range: Capable of operating from an input voltage range of 3.6V to 36V, the LT3687EDC is suitable for applications powered from a variety of sources, including automotive batteries and industrial supplies.
• High Efficiency: With its high-efficiency design, this step-down converter ensures minimal power loss during operation, which is critical for battery-powered applications and for reducing thermal stress.
• Adjustable Switching Frequency: Users can set the switching frequency anywhere from 300kHz to 2.8MHz, allowing for flexibility in component selection and optimization of performance based on the specific application requirements.
• Low Shutdown Current: The LT3687EDC features a low shutdown current of less than 1μA, which is essential for preserving battery life in portable applications when the device is not in active use.
• Integrated Boost Diode: The inclusion of an internal boost diode simplifies the circuit design and reduces external component count, contributing to a more compact and cost-effective solution.

Applications:

• Automotive and Industrial Power Systems
• Distributed Power Supply Systems
• Portable Handheld Devices
• Embedded Systems

The LT3687EDC is equipped with a range of protective features, including overtemperature protection, current limiting, and short-circuit protection, ensuring reliable operation under adverse conditions. With its combination of performance, versatility, and durability, the LT3687EDC is an excellent choice for designers seeking a high-quality, efficient power management solution.