LT1175IQ-5 - Low Dropout Negative Regulator

The LT1175IQ-5 is a high-performance, low dropout negative voltage regulator from Linear Technology. Designed for a wide range of applications, this regulator offers a robust solution for systems requiring a stable and reliable negative voltage supply. With its low dropout voltage and high efficiency, the LT1175IQ-5 is particularly well-suited for battery-powered equipment, high-end audio, and precision instrumentation.

Key Features:

• Adjustable Output: The LT1175IQ-5 can be configured to provide an output voltage from -2.5V to -25V, allowing for flexible use in a variety of circuit designs.
• Low Dropout Voltage: The device boasts a low dropout voltage of typically 0.4V at full load, which enhances efficiency and allows for operation closer to the input voltage.
• Low Quiescent Current: With a quiescent current of only 500µA (which reduces to 10µA in shutdown mode), it is an excellent choice for battery-powered applications where power conservation is critical.
• High Output Current: The LT1175IQ-5 is capable of delivering up to 500mA of output current, making it suitable for a wide range of applications.
• Thermal Protection: It includes built-in thermal limiting, protecting the device from damage due to overheating.
• Stability: The regulator is stable with 10µF output capacitors, ensuring a steady output even under dynamic load conditions.

Package and Reliability:

The LT1175IQ-5 is offered in a rugged 5-lead TO-220 package, which ensures its reliability even in harsh environments. The package is designed for easy mounting and heat sinking, making it a convenient choice for both prototyping and production runs.

Applications:

• Portable Battery-Powered Devices
• High-End Audio Equipment
• Precision Analog Systems
• Automotive Electronics
• Industrial Control Systems

In summary, the LT1175IQ-5 from Linear Technology is a versatile and reliable negative voltage regulator that offers a combination of low dropout performance, high efficiency, and robust protection features. Its suitability for a broad array of applications makes it a go-to choice for designers seeking a dependable power management solution.