The Linear Technology LT1175CQ is a high-performance, low dropout negative voltage regulator designed for use in a wide range of applications. With its robust design and high-quality construction, the LT1175CQ offers excellent stability and reliability for demanding electronic circuits.

Key Features

• Output Voltage Range: The LT1175CQ provides a wide output voltage range, which can be set from -2.5V to -20V with the use of an external resistor divider, catering to various application needs.
• Low Dropout Voltage: This regulator boasts a low dropout voltage of typically 0.4V at full load, ensuring efficient operation and reduced power loss even at low input-to-output voltage differentials.
• Adjustable Current Limit: The device features an adjustable current limit that allows the user to set the output current limit to values as low as 10mA or as high as 500mA, providing added protection for the regulator and the load.
• Low Quiescent Current: With a quiescent current of typically 500µA, the LT1175CQ is an excellent choice for battery-powered devices where power conservation is essential.
• Thermal Protection: The regulator includes built-in thermal shutdown protection that safeguards the device from overheating, enhancing the overall system reliability and longevity.

Applications

The LT1175CQ is ideal for a variety of applications, including:

• High-efficiency linear regulators
• Battery-powered equipment
• Negative auxiliary power supplies
• Low-power reference sources
• Adjustable power supplies

Package Information

The LT1175CQ is available in a 5-lead TO-220 package, which is designed for easy mounting and heat dissipation. This package is suitable for commercial-grade applications and can handle a wide temperature range, ensuring consistent performance in various environments.

Conclusion

In summary, the LT1175CQ from Linear Technology is a versatile and reliable negative voltage regulator that offers a combination of low dropout performance, adjustable current limiting, and thermal protection. It is an ideal choice for engineers looking for a high-quality power management solution for their electronic designs.