The Linear Technology LT1175IQ is a high-performance, low dropout negative voltage regulator designed for a wide range of applications. This robust component is capable of delivering up to 500mA of output current with a dropout voltage of typically 0.4V at full load, making it an excellent choice for systems that require efficient power management.

Key Features

• Output Current: Capable of supplying 500mA of output current, the LT1175IQ is suitable for moderate to high-power applications.
• Low Dropout Voltage: With a typical dropout voltage of 0.4V at full load, it ensures efficient operation, even when the input-to-output voltage differential is minimal.
• Adjustable Output: The output voltage can be set from -1.25V to -20V with a single external resistor, providing flexibility for a variety of design requirements.
• Stable with Low ESR Capacitors: The LT1175IQ remains stable with low equivalent series resistance (ESR) capacitors, which can help to reduce the size and cost of the capacitors used in the design.
• Overcurrent and Overtemperature Protection: Built-in protection features guard the regulator against excessive current and overheating, enhancing system reliability.
• No Protection Diodes Needed: Simplified design as no external diodes are required to protect the device under reverse battery conditions.

Applications

The LT1175IQ is versatile and can be used in a variety of negative voltage regulation scenarios, including:

• High-efficiency linear regulators
• Constant current regulators
• Negative auxiliary power supplies
• Adjustable power supplies

Package and Quality

The LT1175IQ is offered in a robust 5-lead TO-220 package, ensuring thermal efficiency and ease of integration into a wide range of electronic systems. Linear Technology's commitment to high-quality manufacturing means that this regulator is designed to meet stringent performance criteria and reliability standards.

Whether you're designing power supplies for industrial equipment, automotive electronics, or portable devices, the LT1175IQ from Linear Technology offers a reliable and flexible solution for your negative voltage regulation needs.