Product Overview: LT1117CM-2.85

The LT1117CM-2.85 is a robust low dropout positive fixed voltage regulator designed by Linear Technology, now part of Analog Devices, to provide precision current and thermal limiting. This voltage regulator is optimized to deliver a fixed 2.85V output with an input voltage range from 4.5V to 15V, making it an excellent choice for a wide range of applications that require a stable and reliable power supply.

Key Features

• Fixed Output Voltage: The device provides a steady 2.85V output, which is ideal for logic ICs and other low voltage applications.
• Low Dropout Voltage: The LT1117CM-2.85 maintains regulation with a minimal difference between the input and output voltages, which enhances efficiency and allows operation with a low input voltage.
• High Output Current: Capable of delivering up to 800mA of continuous output current, this regulator can power a wide range of components.
• Thermal Protection: Integrated thermal shutdown functionality ensures the device operates within safe temperature ranges, protecting both the regulator and the system it powers.
• Current Limiting: The built-in current limiting feature helps prevent damage to the regulator during fault conditions, such as output short circuits or overloading.
• Stable with Low ESR Output Capacitors: The LT1117CM-2.85 remains stable with low equivalent series resistance (ESR) capacitors, enabling the use of higher quality capacitors for improved performance.
• No Protection Diodes Needed: Simplified design as external diodes for protection are not required, reducing component count and system complexity.

Applications

The LT1117CM-2.85's versatility makes it suitable for a variety of applications, including:

• Post-regulation for switching power supplies
• Battery-powered equipment
• Motherboards and peripheral cards
• Microprocessor supply
• Linear power supplies

Package and Quality

Offered in a TO-263 package, the LT1117CM-2.85 is designed to be easily integrated into various circuit designs. Its robust design ensures long-term reliability and consistent performance, making it a preferred choice for engineers and designers looking for a dependable power management solution.

For detailed specifications, application notes, and additional resources, please refer to the official Linear Technology/Analog Devices datasheets and product documentation.