LT1117 - Linear Technology Voltage Regulator

The LT1117 from Linear Technology is a versatile and reliable fixed and adjustable low dropout positive voltage regulator designed to provide performance enhancements over older regulator designs. With its ability to source 800mA of output current with a dropout voltage of typically 1.2V at full load, the LT1117 is a robust choice for a variety of applications.

Key Features:

• Output Current: The LT1117 is capable of delivering up to 800mA of continuous output current, making it suitable for moderate to high-power applications.
• Low Dropout Voltage: A typical dropout voltage of 1.2V at full load improves efficiency and allows for better performance in battery-operated devices.
• Versatility: Available in both fixed and adjustable versions, the LT1117 can be tailored to specific output voltage requirements, with the adjustable version offering an output range from 1.25V to 30V.
• Thermal Protection: The device includes internal thermal shutdown protection that safeguards the regulator and the overall system from excessive temperature rise.
• Current Limit Protection: To protect against fault conditions, the LT1117 features safe area protection and current limiting.
• Stable with Low ESR Output Capacitors: The regulator is stable with output capacitor ESR as low as 0.3Ω, which allows the use of low ESR ceramic capacitors.

Applications:

The LT1117's features make it suitable for a wide array of applications, including:

• Post Regulation for Switching Supplies
• 5V to 3.3V Linear Regulator
• Battery-Powered Circuitry
• Adjustable Power Supplies
• Portable Instrumentation

With its combination of features, the LT1117 is a versatile component that can enhance the performance and reliability of power management solutions. Whether for consumer electronics, industrial systems, or portable devices, the LT1117 provides a straightforward, efficient, and robust voltage regulation solution.