AT73C260B

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Power management integrated circuits (PMIC) have become common in the electronics industry over the last few decades. Specialized Power Management Integrated Circuits ( PMICs) are a subcategory of PMICs that are dedicated to specific applications. They have become a staple in many electronic designs as they provide efficient and reliable power management. The Atmel AT73C260B is one such specialized power management integrated circuit.

The AT73C260B is a single-channel, dual-channel buck regulator designed for USB applications. It features high efficiency, low quiescent current and a wide input voltage and output voltage range. The device is capable of delivering up to 8A of continuous output current and can support up to 1500pF of capacitance at its output terminals. Additionally, it features a selectable output voltage range of 3.3V to 6V, programmable switching frequency of up to 1.5MHz, and programmable soft-start time.

One of the main applications of the AT73C260B is in USB power management, as it provides an efficient way to manage the power from a USB-connected device. As such, it is commonly used in portable devices, such as tablets and smartphones, to manage the power supplied to the device.}

The working principle of the AT73C260B is quite straightforward. When the device is powered, it draws a current from the input source and converts it into a regulated output voltage. The current is redirected to the output terminals at a preset voltage level, allowing the device to maintain its regulated output voltage. Additionally, the output current can be increased or decreased, depending on the needs of the application.

The AT73C260B also features a variety of protection features, such as over-voltage and over-temperature protection, which provides increased safety and reliability to the device, as well as an under-voltage latch circuit for monitoring the voltage at the output terminals. Additionally, it also has a soft-start feature, which allows the device to gradually increase its output voltage, thereby avoiding inrush current.

In summary, the Atmel AT73C260B is a versatile, high-efficiency and low-power PMIC designed for USB power management applications. It is capable of providing controlled and regulated power for a variety of applications and features a variety of protection features for added reliability. Additionally, its programmable output voltage range and switching frequency make it an ideal candidate for many applications.

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