S-817A50ANB-CVNT2U

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Linear voltage regulators are among the most common and widely-used voltage regulators in the world today. The S-817A50ANB-CVNT2U is a highly advanced, low input and low output voltage, linear voltage regulator from Supertex, a leader in the field of power and RF electronics. The S-817A series regulators are specifically designed for mobile and battery-based applications where high efficiency and low power consumption are of the utmost importance. The S-817A50ANB-CVNT2U application field and working principle is discussed below.

Application Field

The S-817A50ANB-CVNT2U is used in applications such as cellular phones, digital cameras, PDAs, portable music players, and many other battery-based applications. The S-817A50ANB-CVNT2U can also be used in other Fixed/Line Operated Applications. It offers very high efficiency in these applications due to its low dropout voltage coupled with its low quiescent current. The S-817A50ANB-CVNT2U can also be used in applications that require a very low input noise, such as audio or video applications, or in any other applications where noise may be an issue.

The S-817A50ANB-CVNT2U can be used to step down the voltage of a battery or a power source such as a wall transformer. The voltage can be stepped down from a wide range of input voltages, from 3.0V to 28.0V, with a wide range of output voltages available to suit the specific needs of the application. The S-817A50ANB-CVNT2U is designed to be highly efficient, with its low Dropout voltage and low quiescent current, ensuring minimal power dissipation.

Working Principle

The working principle of the S-817A50ANB-CVNT2U is based upon a linear topology. When the Input voltage is applied to the regulator, it is “regulated down” to the required Output voltage, by passing the excess voltage through a series of linear resistors in the regulator die. The excess voltage is dissipated as power, and this power is dissipated through the heat sink of the regulator. This is why the heatsink of a linear regulator is so important in applications where the power delivered by the regulator is higher than the expected limit.

The linear topology has numerous advantages when compared to their switch-mode counterparts. Firstly, they are often simpler to design and are not subject to the same potential reliability concerns which afflict their switch-mode counterparts. Furthermore, due to their linear nature, they are able to deliver a very stable output voltage. This can be important in certain applications such as audio applications where the output voltage must be maintained at a highly stable level.

The S-817A50ANB-CVNT2U is designed to be highly efficient and is able to deliver a very high output current in applications where multiple devices need to be powered from the same regulator. The device also incorporates thermal shutdown protection, which removes the need for external current-limiting circuitry. This protection prevents the device from overheating, ensuring that the device and its application are kept safe.

Conclusion

The S-817A50ANB-CVNT2U is a highly efficient, low input and low output voltage, linear voltage regulator from Supertex. It is commonly used in applications such as cellular phones, digital cameras, PDAs, portable music players, and many other battery-based applications. The device works on a linear topology and incorporates thermal shutdown protection, making it ideal for applications where high efficiency and low power consumption are of the utmost importance.

In summary, the S-817A50ANB-CVNT2U is a highly advanced and reliable voltage regulator, offering high efficiency, low power consumption, and excellent protection against over-current and over-temperature. Thanks to these features, the S-817A50ANB-CVNT2U is an ideal choice for powering a wide range of battery-based devices, as well as applications which require a low-noise, low-dropout voltage regulator.

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