The LT1761 series from Linear Technology presents an impressive lineup of low noise, low dropout voltage regulators, with the LT1761ES5-1.5#TRMPBF being a standout model. Designed for applications that demand high performance and reliability, this voltage regulator is capable of delivering up to 100mA of output current with a low dropout voltage of only 300mV at full load.

Key Features

• Output Voltage: Fixed at 1.5V, providing a stable and precise voltage for sensitive electronics.
• Low Noise Output: With only 20uV RMS of output noise over a 10Hz to 100kHz bandwidth, this regulator ensures clean power delivery, making it ideal for noise-sensitive applications such as RF and precision instrumentation.
• High Ripple Rejection: Offers an excellent ripple rejection ratio of 60dB at 1kHz, minimizing the impact of input supply fluctuations.
• Low Dropout Performance: The low dropout voltage allows for efficient operation even when the input-to-output differential is minimal, preserving battery life in portable applications.
• Thermal Protection: Integrated thermal shutdown and current limit protection safeguard the device and the application from over-current and over-temperature conditions.
• Adjustable Output: While the device comes with a fixed output, it also supports an adjustable version for a customized voltage output, providing versatility for different design requirements.
• Wide Operating Temperature Range: Suitable for industrial applications with an operating temperature range from -40°C to 125°C.

Applications

The LT1761ES5-1.5#TRMPBF is particularly well-suited for battery-powered equipment, portable instruments, and any application where power efficiency and low noise are critical. Its small footprint is advantageous for space-constrained designs, and its robust feature set ensures reliable operation in a variety of challenging environments.

Package and Availability

Offered in a compact SOT-23 5-pin package, the LT1761ES5-1.5#TRMPBF is designed for surface-mount technology (SMT) and is available in tape and reel packaging, facilitating efficient assembly processes for high-volume production. The "#TRMPBF" suffix indicates the product is provided in a lead-free finish, adhering to RoHS compliance and environmentally friendly manufacturing practices.