The MAX1976EXT from Maxim Integrated is a high-performance, low-dropout linear regulator designed to deliver a continuous output current up to 200mA. This voltage regulator is optimized for noise-sensitive applications, offering an ultra-low output noise level and excellent power supply rejection ratio (PSRR), making it an ideal choice for RF applications, portable devices, and other electronics requiring a clean power supply.

With a wide input voltage range from 2.5V to 6.5V, the MAX1976EXT can operate from a variety of power sources, including single-cell lithium-ion (Li+) batteries, making it highly versatile for different design requirements. Its output voltage is adjustable from 1.25V to 5.0V, which can be set using external resistors, providing design flexibility to meet specific application needs.

The device features a low quiescent current, contributing to extended battery life in portable applications. Additionally, it includes a thermal shutdown feature and short-circuit protection, enhancing the overall reliability and safety of the system it is integrated into. The MAX1976EXT also offers a fast transient response, ensuring stable operation during sudden changes in load conditions.

Available in a compact, 6-pin SOT23 package, the MAX1976EXT is designed for space-constrained applications. The small footprint and low profile of the package allow for integration into tight spaces without sacrificing performance, making it an excellent choice for mobile phones, PDAs, and other handheld devices.

Key Features of the MAX1976EXT:

• Ultra-Low Output Noise for Noise-Sensitive Applications
• Adjustable Output Voltage from 1.25V to 5.0V
• High PSRR for Stable Operation in RF and Other Critical Applications
• Low-Dropout Voltage for Efficient Operation
• Continuous Output Current up to 200mA
• Low Quiescent Current to Maximize Battery Life
• Thermal Shutdown and Short-Circuit Protection
• Compact 6-Pin SOT23 Package for Space-Constrained Applications

With its combination of low noise, high PSRR, adjustable output, and protection features, the MAX1976EXT is a robust solution for delivering clean and stable power in a wide array of electronic devices.