S8521BA

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S8521BA is a multi-output high efficiency DC/DC power supply designed for communication applications. It is especially suitable for industrial control, automotive, communication, and network applications. This power supply integrates four buck converters in a small footprint and offers excellent performance. Its output voltages range from 5V to 15V, with high efficiency, wide input range, and low operating temperature.

The working principle of S8521BA is based on the buck-boost converter topology, which combines a standard buck converter with an active diode boost converter for a single output. The buck-boost topology is preferred for applications requiring multiple outputs with varying voltage ranges and where a wide input voltage range is desired. In the S8521BA, the buck converter consists of an inductor, an input diode, an output diode, and two power MOSFETs to regulate the output voltage. The buck-boost converter also uses an inductor, an input diode, the MOSFETs, and an output diode. The primary difference between the buck and buck-boost converters is the output voltage range that they can provide. The buck converter can provide an output voltage that is lower than the input voltage, while the buck-boost converter can provide an output voltage that is higher or lower than the input voltage.

S8521BA is suitable for many applications such as industrial control, automotive, communication, and network applications. Its high efficiency and low operating temperature make it an ideal choice for systems with tight thermal and efficiency requirements. It is also suitable for applications involving high power density, high voltage swings, and power transmission among components in the system. S8521BA has excellent reliability and can provide reliable output voltage over its operating temperature range.

In terms of output voltage, the S8521BA offers five adjustable or fixed output voltages ranging from 5V to 15V. It also features output current limiting, output over-voltage protection, output short-circuit protection, and over-temperature protection. Its wide input voltage range enables the S8521BA to be used in applications with different input voltages. Its the built-in soft-start function is also of great help in improving the stability of the system.

Overall, S8521BA is an efficient and reliable power supply module that can be used in various applications ranging from industrial control to automotive and communication. Its wide input range and multiple output options make it highly versatile and suitable for a range of applications. To achieve its high efficiency and wide input range, the S8521BA adopts the buck-boost converter topology and integrates four buck converters in a small form factor. Its output voltage is adjustable or fixed and it provides five protection functions for the system. The S8521BA offers excellent performance, reliability, and wide input voltage range, making it an ideal power supply module for many applications.

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