Linear Technology's LT1175CQ#PBF - Low Dropout Negative Regulator

The LT1175CQ#PBF is a high-performance, low dropout negative voltage regulator designed by Linear Technology, which is now part of Analog Devices. This regulator is capable of delivering up to 500mA of output current with a dropout voltage of typically 0.4V at full load. It is an ideal choice for precision, low voltage applications requiring a negative supply, and it is packed in a robust TO-263 package for efficient heat dissipation.

Key Features

• Low Dropout Voltage: The LT1175 demonstrates a low dropout performance, which makes it highly efficient for systems that require a stable negative voltage with minimal input-to-output differential.
• Adjustable Output: With the ability to set the output voltage from -2.5V to -25V using an external pair of resistors, the LT1175 offers great flexibility for a wide range of applications.
• Output Current: Capable of delivering a 500mA output, this regulator can support a variety of loads, making it suitable for both high and low power applications.
• Stable with Low ESR Capacitors: The LT1175 is stable with aluminum, tantalum, or ceramic capacitors, which allows for flexibility in design and ensures stability across various types of load conditions.
• Thermal Protection: It includes an internal thermal limiting circuitry that protects the device under overload conditions.
• Low Quiescent Current: The device features a low quiescent current, which is beneficial for power-sensitive applications and increases the overall efficiency of the system.

Applications

The LT1175CQ#PBF is versatile and can be used in a wide array of applications. It is particularly well-suited for:

• Battery-powered equipment
• Negative voltage microprocessor supplies
• Low power reference generators
• High-efficiency linear power supplies

With its robust design and reliable performance, the LT1175CQ#PBF from Linear Technology is an excellent choice for designers looking for a negative regulator that offers both flexibility and efficiency. Whether it's for industrial, automotive, or consumer electronics, this regulator ensures a stable and precise voltage supply, making it a cornerstone in any power management solution.