The LT1175CQ-5#PBF is a high-performance, low dropout negative regulator from Linear Technology, designed to provide a regulated output of -5V. This device is tailored for a wide range of applications, including industrial control systems, automotive electronics, and portable battery-powered devices, where efficient power management is crucial.

Key Features

• Output Voltage: Fixed at -5V, providing a stable and precise negative voltage for various circuits.
• Low Dropout Voltage: The regulator operates with a minimal difference between the input and output voltages, enhancing efficiency and allowing for operation under low input voltage conditions.
• Output Current: Capable of supplying up to 500mA, making it suitable for a range of moderate power applications.
• Low Quiescent Current: The device features a low quiescent current, which reduces power consumption when in standby mode, thereby extending battery life in portable applications.
• Thermal Protection: Includes built-in thermal shutdown to protect the device from overheating, ensuring reliable operation under varying conditions.
• Stable with Low ESR Capacitors: Compatible with low ESR capacitors, which can improve performance by reducing noise and output voltage ripple.

Package and Quality

The LT1175CQ-5#PBF comes in a TO-263 (DDPAK) package, known for its robustness and excellent thermal performance. The package is suitable for surface mount technology (SMT), which allows for efficient assembly and space-saving on printed circuit boards (PCBs).

Applications

• Power Supplies
• Battery-Powered Equipment
• Automotive Electronics
• Industrial Control Systems
• Portable Instruments

Linear Technology's LT1175CQ-5#PBF is a reliable and versatile solution for applications requiring a high-quality negative voltage regulator. Its combination of low dropout performance, thermal protection, and stability with low ESR capacitors make it an excellent choice for designers looking to optimize power management in their circuits.