The LT1761ES5-5#PBF is a 3A, 40V, low-dropout linear regulator from Analog Devices, Inc. It features a 1.5V to 40V input voltage range, a low dropout of 70mV at 3A, up to 95% efficiency, and an available 5-pin PBF package for conditions requiring enhanced thermal performance. It also has a wide operating temperature range of -40°C to 125°C, short-circuit protection, current limiting, and EMI/RFI filtering. This device is ideally suited for automotive applications, LED lighting, and battery-based DC to DC converters.