S-817A42APF-CVFTFU

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The S-817A42APF-CVFTFU is a three-terminal voltage regulator with a linear output voltage of 29V and a maximum output current of 1.5A. It features an adjustable output voltage range of 2.0 to 29V, a min adjustable output current of 0.5A and an operating temperature range of -40 to 125°C. It is designed primarily for use in portable and telecommunication devices, but can also be used in various other applications such as consumer electronics, communications, and computer equipment.

Working Principle:

The S-817A42APF-CVFTFU works on the principle of linear voltage regulation. It uses transistors and diodes to regulate the output voltage. The circuit can be split into two parts: the power boost circuit and the precision voltage regulation circuit. The power boost circuit has an input voltage of up to 29V and an output voltage of up to 29V. The precision voltage regulation circuit has a voltage reference and an adjustable voltage divider to control the output voltage. The output voltage is regulated by controlling the current through the transistor to adjust the voltage across the divider.

The power boost circuit is capable of supplying up to 1.5A output and is equipped with a series of protection features such as thermal shutdown, input surge protection, over-current, and over-voltage protection. These features protect the device from damage due to excessive input voltage, or current. The voltage regulation circuit also has protection features such as output current limit, and over-voltage protection.

The precision voltage regulation circuit has two senses inputs to sense the output current and the output voltage. It also features an adjustable voltage divider to accurately adjust the output voltage. The voltage divider is adjustable from 2.0V to 29V and is designed with two separate resistors, one of which is adjustable. The output voltage can be adjusted by changing the resistance ratio of the two resistors.

Application:

The S-817A42APF-CVFTFU is suitable for applications that require low-current and low-noise, regulated DC power. It is ideal for use in portable and telecommunication devices such as cell phones, pagers, portable cameras, portable music players, remote-control toys and telemetry systems. It can also be used in consumer electronics, communications, and computer equipment. It is also suitable for use in medical instruments, monitoring and control systems, and desktop computers.

The S-817A42APF-CVFTFU is designed with high efficiency, small size, and low noise. Its high efficiency and low noise operation make it an attractive choice for portable and telecommunication applications. Its small size also makes it easy to integrate in a wide variety of applications. Its adjustable output voltage and output current limit features make it a versatile voltage regulator.

The S-817A42APF-CVFTFU is well suited for use in applications where the output voltage needs to be precisely regulated. Its tight line and load regulation, low drop-out voltage, and low noise operation make it an ideal choice for any application requiring reliable and stable power delivery. Its input surge protection, over-voltage and over-current protection, and thermal shutdown protection make it a robust and reliable voltage regulator.

Overall, the S-817A42APF-CVFTFU is an excellent choice for low-current, low-noise, and reliable voltage regulation in any application. With its adjustable voltage range, its adjustable current limit, and its protection features, it is an ideal voltage regulator for any application.

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