AT73C204

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AT73C204 Application Field and Working Principle

AT73C204, a specialized power management integrated circuit (PMIC) from NXP, is designed for cost-optimized applications in the field of consumer electronics. It provides complete power supply solutions for low-powered digital products such as e-books, digital picture frames, portable hand-held equipment and other portable electronic products. The AT73C204 provides the required voltage and current source to each component in the product it is used in.

The AT73C204 uses an integrated solution to provide a complete set of power conversion functions and control logic. It consists of a DC-DC converter, a linear regulator and several protection circuits. This helps small electronic products achieve big performance and at the same time reduce power consumption.

The AT73C204 is a DC-DC converter, which also combines the functions of a linear regulator. It is designed to convert the input power into different voltages and supply them to the components. It works by rectifying the input voltage and then regulating it using its control logic. The DC-DC converter in the AT73C204 is an inductive switching converter and hence it can convert an input voltage ranging from 3.2V to 14V into a fixed output voltage or a regulated output voltage. The maximum output voltage of the AT73C204 is 15V and its maximum output current is 1A.

The AT73C204 also has a linear regulator, which is designed to provide stable, low power and low noise power supplies. The linear regulator in the AT73C204 is a low drop out (LDO) regulator and hence it can regulate an input voltage of up to 15V. In addition to providing the desired output voltage, the linear regulator also provides other protection circuits such as over-current protection, over-temperature protection and reverse-polarity protection.

In addition to the DC-DC converter and linear regulator, the AT73C204 also provides a set of integrated protection circuits. The over-current protection circuit monitors the load current and shuts down the device if the output current exceeds the specified limit. The over-temperature protection circuit monitors the chip temperature and reduces the output voltage if the temperature rises above the specified limit. The reverse-polarity protection circuit prevents the accidental reverse-polarity connection from damaging the device.

Overall, the AT73C204 is designed to provide a complete set of power supply solutions for low-powered digital products. It consists of a DC-DC converter, a linear regulator and integrated protection circuits, which help small digital products achieve big performance with reduced power consumption. The AT73C204 is ideal for cost-optimized applications in the field of consumer electronics.

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