The LT3461AFS6 is a compact, high-efficiency, monolithic boost converter from Linear Technology, designed to operate as a constant-current source, making it an ideal choice for driving LEDs. Packaged in a small SOT-23 footprint, this device is perfect for space-constrained applications requiring a minimalistic yet powerful power solution.

Key Features

• Integrated 1.3A, 40V Power Switch: The LT3461AFS6 includes a high-power switch, enabling it to handle a wide range of input and output voltages, suitable for a variety of applications.
• Wide Input Voltage Range: With an input voltage range of 2.5V to 16V, this device can accommodate multiple power sources, including single-cell lithium-ion batteries or multi-cell alkaline/NiMH batteries.
• Adjustable Switching Frequency: The switching frequency can be set from 300kHz to 2MHz, allowing designers to optimize performance for their specific application, whether it's minimizing noise or maximizing efficiency.
• High Efficiency: The LT3461AFS6 is capable of efficiencies up to 85%, ensuring minimal heat generation and extended battery life in portable applications.
• Stable with Ceramic Capacitors: The device's stability with low ESR ceramic capacitors offers a compact solution without the need for bulky electrolytic capacitors.
• Constant-Current and Constant-Voltage Regulation: This feature makes the LT3461AFS6 an excellent choice for battery chargers and LED drivers where consistent performance is crucial.

Applications

The versatility of the LT3461AFS6 makes it well-suited for a broad range of applications. It's commonly used in:

• Portable Lighting
• Photoflash Capacitor Chargers
• LED Backlighting
• Battery-Powered Equipment
• Low-Power DC-DC Converters

Conclusion

The LT3461AFS6 from Linear Technology stands out as a robust, flexible power management solution, ideal for designers looking to maximize efficiency in compact, battery-powered devices. Its ability to provide constant-current or constant-voltage outputs adds to its versatility, making it a go-to choice for a wide array of power conversion applications.