The LT1175IS8 is a high-performance, low dropout negative voltage regulator from Linear Technology designed to provide a seamless power solution for various applications. This regulator stands out for its low quiescent current and the ability to deliver up to 500mA of output current with a dropout voltage of typically 0.4V at full load.

Key Features

• Output Current: Capable of delivering up to 500mA of continuous output current.
• Low Dropout Voltage: Typically 0.4V at full load, which enhances efficiency and allows operation over a wider range of input voltages.
• Adjustable Output: From -1.25V to -20V, providing flexibility for a wide array of applications.
• Low Quiescent Current: Only 500μA operating current and 10μA in shutdown, which significantly improves battery life in portable devices.
• Stable with Low ESR Capacitors: Stability is maintained with low ESR capacitors, allowing the use of smaller, cheaper, or ceramic capacitors without the risk of oscillation.
• Protection Features: Includes overcurrent and overtemperature protection, ensuring reliable operation under extreme conditions.
• Package: Available in the 8-Lead SOIC package, suitable for compact circuit designs.

Applications

The LT1175IS8 is versatile and can be used in a variety of applications. It is particularly suitable for battery-powered equipment, negative voltage microprocessor supplies, and as a companion to positive low dropout regulators. Its ability to operate with low ESR capacitors makes it ideal for applications sensitive to high-frequency switching noise, such as audio and RF circuits.

Summary

The LT1175IS8 from Linear Technology is a reliable and efficient solution for applications requiring a high-quality negative voltage regulator. Its low dropout voltage, adjustable output, and low quiescent current make it an excellent choice for designers looking to optimize power consumption and prolong battery life in their devices. The inclusion of protection features ensures that the device operates safely even under adverse conditions, making it a robust choice for a wide range of electronic applications.