Linear Technology's LT3464CS8: A High-Efficiency Step-Up DC/DC Converter

The LT3464CS8 is a compact, high-efficiency, step-up DC/DC converter designed by Linear Technology, now part of Analog Devices. This versatile component is ideal for applications requiring a small, efficient, and reliable power supply solution. Housed in a space-saving 8-lead SO package, the LT3464CS8 is perfect for portable devices, where size and power efficiency are critical considerations.

Key Features of the LT3464CS8

• Integrated Schottky Diode: The LT3464CS8 includes an integrated 40V, 0.5A Schottky diode, which simplifies the design and reduces external component count.
• Wide Input Voltage Range: Operating from an input voltage range of 2.5V to 16V, the LT3464CS8 is versatile enough to be powered from a variety of sources, including single-cell lithium-ion batteries.
• Adjustable Output Voltage: The output voltage is adjustable up to 34V, making it suitable for powering OLED displays, CCDs, and other high-voltage applications.
• High Switching Frequency: A high switching frequency of 1.2MHz allows the use of small, low-cost capacitors and inductors, further minimizing the footprint and cost of the overall power supply design.
• Low Shutdown Current: The quiescent current is less than 1μA in shutdown, providing extended battery life in portable applications.

Applications and Performance

The LT3464CS8 is designed to deliver high performance across a range of applications. It is particularly well-suited for powering LEDs, as it can drive up to eight white LEDs in series from a Li-Ion cell. Other applications include small OLED panels, and bias supplies for sensors and low-power wireless products.

With its internal power switch and rectifier, the LT3464CS8 offers a simple and compact solution for increasing the voltage in battery-operated systems. The ability to provide a high output voltage with a high level of efficiency makes it an excellent choice for designers looking to optimize power consumption and extend battery life in their products.

In summary, the LT3464CS8 from Linear Technology is a highly efficient, versatile step-up converter that offers ease of use and high performance for a wide range of power supply applications.