The LT3042EMSE#PBF is a state-of-the-art linear regulator produced by Linear Technology, now part of Analog Devices, designed to deliver exceptional performance in noise-sensitive applications. This high-performance product is ideally suited for powering RF and analog circuits that require a pure and stable voltage supply.

Key Features

• Ultra-Low Noise Output: With an output noise as low as 2nV/√Hz at 10kHz, the LT3042EMSE#PBF ensures that sensitive RF and analog circuits are free from interference caused by power supply noise.
• High Power Supply Rejection Ratio (PSRR): Exhibiting an impressive PSRR of 79dB at 1MHz, this regulator actively suppresses variations in the input supply, providing a stable output even in the presence of significant supply noise.
• Wide Input Voltage Range: The device operates from an input voltage range of 1.8V to 20V, making it versatile for various applications and compatible with a broad range of input sources.
• Adjustable Output Voltage: The output voltage is adjustable from 0V to 15V, allowing for precise voltage regulation tailored to the specific needs of the application.
• High Output Current: Capable of delivering up to 200mA of output current, the LT3042EMSE#PBF can power a wide array of RF and analog devices.
• Thermal Protection: The regulator includes internal thermal limit protection, safeguarding the device against potential damage from overheating.

Applications

The LT3042EMSE#PBF is ideal for a variety of applications where power supply noise can adversely affect system performance, such as:

• RF and wireless infrastructure
• Precision instrumentation
• Medical equipment
• Audio equipment
• High-speed data communication systems

Package and Reliability

The device comes in a compact 12-lead MSOP package with an exposed pad for enhanced thermal performance. The LT3042EMSE#PBF is characterized for operation from -40°C to 125°C, ensuring reliable performance over a wide temperature range, making it suitable for demanding environments.

Conclusion

In conclusion, Linear Technology's LT3042EMSE#PBF linear regulator is a top-tier solution for applications requiring the highest standards of power supply purity and stability. Its combination of ultra-low noise, high PSRR, and flexible operating parameters make it an essential component for any design where power integrity is critical.