Product Overview: Linear Technology's LT581TH

The LT581TH from Linear Technology is a high-performance, low-dropout linear regulator designed for demanding applications that require a stable and clean power supply. This regulator is capable of delivering up to 1.5A of continuous output current with a dropout voltage of just 340mV at full load, which makes it an excellent choice for low voltage, high current supplies in modern electronic devices.

Key Features

• High Output Current: The LT581TH can deliver up to 1.5A, which is suitable for powering core voltages of microprocessors and FPGAs.
• Low Dropout Voltage: With a dropout voltage of only 340mV at full load, it ensures efficient operation even at low input-to-output voltage differentials.
• Adjustable Output: The output voltage can be set from 1.21V to 20V with a single external resistor, providing flexibility for a variety of applications.
• Stable with Low ESR Capacitors: The LT581TH remains stable with ceramic, tantalum, or aluminum electrolytic capacitors, offering design flexibility and reliability.
• Thermal Protection: It includes internal thermal shutdown protection that safeguards the device and the system under extreme conditions.
• Overcurrent Protection: The built-in current limit function helps prevent damage from overcurrent conditions.

Applications

The LT581TH is versatile and can be used in a wide range of applications. It is particularly well-suited for:

• Portable electronics
• Microprocessor supply
• Post-regulation for switching supplies
• Industrial power supplies
• Battery-powered devices

Quality and Reliability

Linear Technology is known for its commitment to quality, and the LT581TH is no exception. It is designed to meet the stringent requirements of even the most critical applications. With its robust feature set and dependable performance, the LT581TH is an excellent choice for designers looking for a reliable power solution.

Note: For detailed specifications, technical documents, and application guidance, users should consult the LT581TH datasheet and Linear Technology's technical support resources.