Product Overview: LT1117IST from Linear Technology

The LT1117IST is a robust fixed-voltage regulator from Linear Technology, designed to cater to a wide range of applications requiring a stable and reliable power supply. This component is part of the LT1117 series, which is well-known for its high efficiency and low dropout performance, making it an excellent choice for linear voltage regulation tasks.

Key Features

• Low Dropout Voltage: The LT1117IST offers a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage. This feature is particularly useful in battery-powered devices where maximizing the usage of available power is crucial.
• Adjustable and Fixed Output Versions: While the LT1117IST is a fixed version of the series, the LT1117 family includes both adjustable and fixed output versions, providing flexibility for various design requirements.
• Current and Thermal Limiting: Integral protection features such as current limiting and thermal limiting safeguard the device and the system against excessive load and temperature conditions.
• Stable with Low ESR Output Capacitors: The regulator is stable with low equivalent series resistance (ESR) capacitors, which reduces the size and cost of the output filter and allows the use of modern capacitor technologies.

Applications

The LT1117IST is suitable for a diverse range of applications, including:

• Post-regulation for switching power supplies
• Battery-powered equipment
• Computer add-on cards
• Linear power supplies

Product Specifications

The LT1117IST comes with a set of specifications that make it a reliable choice for voltage regulation:

• Output Voltage: The device provides a precise fixed output voltage, ensuring consistent performance across various loads and input conditions.
• Package: It is available in a TO-220 package, which is suitable for through-hole mounting and is known for its thermal efficiency.
• Operating Temperature Range: The LT1117IST is designed to operate over a wide temperature range, accommodating various environmental conditions.

In conclusion, the LT1117IST from Linear Technology is a highly reliable and efficient solution for applications that demand a stable power supply. Its features and specifications make it a versatile component that can be integrated into numerous electronic systems.