Linear Technology's LT1175IST-5#TR Low Dropout Negative Regulator

The LT1175IST-5#TR is a high-performance low dropout negative regulator designed to provide precision voltage control in a wide array of electronic applications. Manufactured by Linear Technology, a leader in analog integrated circuits, this regulator boasts exceptional accuracy, low noise, and robust thermal performance, making it an ideal choice for sensitive analog circuits and power supply designs.

Key Features

• Output Voltage: The device provides a fixed output voltage of -5V, which is crucial for applications requiring a stable and reliable negative voltage supply.
• Low Dropout Voltage: With a low dropout voltage, the LT1175IST-5#TR can maintain regulation with minimal difference between the input and output voltage, thus improving efficiency and allowing operation under a wider range of input voltages.
• High Output Current: Capable of delivering up to 500mA of output current, this regulator can power a variety of components, from simple sensors to more demanding integrated circuits.
• Adjustable Current Limit: The built-in current limiting feature protects the regulator and the load from damage due to overcurrent conditions, enhancing the overall safety and longevity of the application.
• Thermal Protection: The device includes thermal shutdown protection that prevents overheating, ensuring reliable operation even under strenuous conditions.
• Low Quiescent Current: Its low idle current draw makes it suitable for battery-powered and energy-sensitive applications where power conservation is critical.

Applications

The LT1175IST-5#TR is versatile and can be used in a variety of applications, including but not limited to:

• High-efficiency linear power supplies
• Battery-operated equipment
• Negative voltage references
• Instrumentation
• Operational amplifier systems

Package Information

The regulator is offered in a surface-mount TO-223 package, designated by the suffix 'IST'. The 'TR' suffix indicates that the device is provided in tape and reel packaging, which is suitable for automated assembly processes, thereby facilitating mass production.

With its precision output, low power dissipation, and robust package, the LT1175IST-5#TR from Linear Technology is a reliable and efficient solution for designers looking to improve the performance and stability of their negative voltage applications.