Linear Technology LTC1261LCS8-4#PBF Switched Capacitor Voltage Converter

The LTC1261LCS8-4#PBF is a highly efficient, switched capacitor voltage converter designed by Linear Technology. This robust component is engineered to provide a reliable negative voltage from a positive input voltage, which makes it an ideal solution for various applications that require a dual supply from a single positive supply source. The LTC1261LCS8-4#PBF is housed in a compact 8-lead narrow SOIC package, making it suitable for space-constrained applications.

One of the key features of this product is its ability to generate a regulated -5V output from a +4.5V to +5.5V input voltage, without the need for any external diodes. The LTC1261LCS8-4#PBF is capable of delivering up to 30mA of output current, which allows it to power small to medium-sized circuits effectively. Its high-frequency operation at 20kHz minimizes the size of the external capacitors, thereby reducing the overall footprint of the power supply design.

The device incorporates automatic shutdown capability that significantly reduces power consumption when the converter is not in use. This feature is particularly useful in battery-powered applications where power efficiency is critical. Additionally, the LTC1261LCS8-4#PBF has a low quiescent current, further enhancing its suitability for portable devices.

Designed with reliability in mind, the LTC1261LCS8-4#PBF includes thermal shutdown and current limit protection, safeguarding the device and the system from potential damage due to overheating or overcurrent conditions. It's also characterized for operation over the full industrial temperature range, ensuring consistent performance in challenging environments.

In summary, the LTC1261LCS8-4#PBF from Linear Technology is a versatile and reliable switched capacitor voltage converter that offers a simple and efficient solution for generating a negative supply voltage. Its ease of use, combined with its protective features and compact size, makes it an excellent choice for a wide range of applications, including portable devices, battery-operated equipment, and anywhere a negative voltage rail is required.