Linear Technology's LT1175IST-5 Low Dropout Negative Regulator

The LT1175IST-5 is a high-performance, low dropout negative regulator designed by Linear Technology, renowned for its precision, reliability, and efficiency. This regulator is tailored for a wide range of applications, including industrial, automotive, and telecommunications systems, where a stable and accurate negative voltage is critical for the operation of sensitive electronic circuits.

Key Features

• Low Dropout Voltage: The LT1175IST-5 boasts a low dropout voltage, making it an excellent choice for systems where the input-to-output differential is minimal, enhancing efficiency and reducing power loss.
• Adjustable Output: It offers an adjustable output from -2.5V to -25V, which can be set with just two external resistors, providing design flexibility to meet various application requirements.
• High Output Current: This regulator can deliver up to 500mA of output current, catering to a broad range of load demands.
• Thermal Protection: The built-in thermal protection feature ensures the device operates within safe temperature limits, preventing damage due to overheating.
• Current Limiting: Incorporating internal current limiting, the LT1175IST-5 protects itself and the load from excessive current draw that could lead to component failure.
• Low Quiescent Current: It has a low quiescent current, which makes it suitable for battery-powered devices, helping to extend battery life by minimizing power consumption when in standby mode.

Applications

• High-efficiency linear power supplies
• Negative auxiliary outputs for SMPS
• Power management for battery-powered devices
• Automotive electronics
• Instrumentation

The LT1175IST-5 comes in a robust TO-220 package, ensuring reliable mechanical and thermal performance. Its straightforward design allows for easy implementation into various circuits without the need for complex external components. Whether you're designing a simple power supply or an intricate piece of electronic equipment, the LT1175IST-5 from Linear Technology is a solid choice to provide a stable and reliable negative voltage, ensuring your device operates at its highest potential.