LT1965EMS8E-2.5#TRPBF - Low Noise, Low Dropout Regulator

The LT1965EMS8E-2.5#TRPBF from Analog Devices Inc. is a high-performance low dropout linear regulator (LDO) that delivers outstanding ac performance with a wide input voltage range, low output noise, and high PSRR (Power Supply Rejection Ratio). It is designed to provide a fixed 2.5V output from a varying input supply with a dropout voltage of typically 300mV at full load, which makes it ideal for battery-powered systems and linear power supplies.

This regulator is housed in an MSOP-8 package and is part of the LT1965 series known for its fast transient response and stable operation with ceramic capacitors, which reduces the need for bulky tantalum capacitors. With a maximum output current of 1.1A, it can power a wide range of applications from microprocessors and DSPs to data acquisition systems.

One of the key features of the LT1965EMS8E-2.5#TRPBF is its low noise output, which is crucial for sensitive RF and audio applications. It boasts an output noise as low as 40µVRMS over a 10Hz to 100kHz bandwidth. Additionally, the device has an excellent PSRR of 66dB at 1kHz, ensuring that the output remains stable and free of noise even with a noisy input supply.

The regulator also includes several safety features such as internal current limiting to protect against accidental overloads and thermal shutdown to prevent damage from overheating. Furthermore, with its no-load quiescent current of 500µA, which reduces to <1µA in shutdown, the LT1965EMS8E-2.5#TRPBF is optimized for battery-powered systems where power efficiency is key.

For design flexibility, the LT1965EMS8E-2.5#TRPBF can operate over a wide temperature range from -40°C to 125°C, making it suitable for industrial and automotive applications that require robust performance in harsh environments.

In summary, the LT1965EMS8E-2.5#TRPBF is a reliable and versatile LDO regulator from Analog Devices Inc., offering low noise, high PSRR, and excellent thermal performance, making it a top choice for designers looking for a stable and efficient power solution.