RT9818B-27GU3

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PMIC Supervisors are one of the most widely used types of power management integrated circuits (PMICs). The RT9818B-27GU3 is a member of this family of PMICs and is widely used in a variety of applications. In this article, we will discuss the application field of the RT9818B-27GU3 and its working principle.

The RT9818B-27GU3 is a high-performance supervisor dedicated to powering clean current and unified design. It is widely used in various applications, such as high-end server and switch systems in modern data centers, enterprise Internet of Things (IoT) gateways, and desktop and mobile PCs. Furthermore, its high performance, wide input voltage range, low shutdown current, soft-start, and more make it an ideal choice for a range of power management solutions.

In terms of its working principle, the RT9818B-27GU3 adopts a voltage monitor and voltage reset strategy. By using three independent voltage monitors, it can monitor three voltages at the same time. When the monitored voltage is lower than the preset level, it will generate a reset signal to reset the powered device. By this strategy, it can ensure that the system power supply is running within a safe voltage range and the operating voltage is accurate and stable. In addition, it can also monitor the temperature of the device, and when the temperature is higher than the preset range, it will generate thermally protected signals to avoid over-temperature damage of the power supply.

In addition to its technical advantages, the RT9818B-27GU3 also features small size and low power consumption, making it suitable for use in a wide range of applications. Its integrated die size is only 1.25mm x 1.25mm (or 5um x 5um) and it can operate at temperatures from -40°C to +85°C. D2PAK-7, DPAK-7, SOT-23-5 and SOT-89-4 package types are available.

In conclusion, the RT9818B-27GU3 is a PMIC Supervisor that is widely used in various applications. With its three independent voltage monitors, temperature monitoring, low power consumption, small size and high accuracy, it is an ideal choice for advanced power management solutions.

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