The LT1129MPST-3.3#PBF is a high-performance, low dropout voltage regulator from Linear Technology, designed to deliver a fixed output of 3.3 volts. This regulator is capable of providing up to 700mA of output current with a typical dropout voltage of just 0.4V at full load, making it an excellent choice for battery-powered devices where efficiency is key.

Key Features

• Output Voltage: Fixed at 3.3V
• Output Current: Up to 700mA
• Dropout Voltage: Typically 0.4V at full load
• Package: SOT-223
• Temperature Range: -55°C to +125°C
• Noise Reduction: Low noise reference design for sensitive applications
• Protection Features: Overcurrent and overtemperature protection for safe operation

Applications

The LT1129MPST-3.3#PBF is suitable for a wide range of applications, including but not limited to:

• Portable, battery-powered equipment
• Microprocessor supply
• Power management for peripherals and add-on cards
• Linear power supplies

Product Benefits

The LT1129MPST-3.3#PBF offers several benefits for designers and engineers. Its low dropout performance ensures efficient use of power, which is critical for portable and battery-operated devices. The device's built-in protection features safeguard the system against conditions that could potentially cause damage, such as overcurrent or excessive temperature. Additionally, its low noise output makes it an ideal choice for powering noise-sensitive components such as RF circuits or high-precision analog devices.

Quality and Reliability

Linear Technology is known for its commitment to quality, and the LT1129MPST-3.3#PBF is no exception. It is designed to meet the stringent requirements of industrial and automotive applications, ensuring reliable performance even under harsh conditions. The product is available in a rugged SOT-223 package, which is suitable for high-density mounting and provides excellent power dissipation characteristics.