The LTC2977IUP#PBF is an 8-channel PMBus power system manager and voltage regulator manufactured by Analog Devices. It is capable of monitoring current, voltage, and power, while providing efficient and accurate voltage regulation for 8 outputs. It includes advanced channel-sharing capabilities and critical current monitoring for systems where load sharing between multiple outputs is required. The device also features an expandable, user-configurable PMBus slave interface, adjustable slew rates, and adjustable voltage slew rates, making it an ideal choice for applications requiring advanced power management. The LTC2977IUP#PBF is designed with high precision components and features a wide operating range of -40°C to 85°C. It is available in a 28-pin, 5mm x 5mm QFN package.