S-8358B60MC-NRTT2G

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The S-8358B60MC-NRTT2G is a negative regulator type switching controller with wide input voltage and output voltage ranges, integrating the output voltage by regulating current. It satisfies the needs of various applications.

This device features a boost chopper control circuit, a low dropout auxiliary regulator circuit, a high precision & low temperature coefficient reference circuit, and other integrated circuits. In addition to its relatively high accuracy, it also has excellent transient response capabilities compared to other switching controllers.

This makes it ideal for a wide range of applications such as DC/DC converters for switching power supplies and industrial automation, medical equipment, and lighting systems.

Functional Description

The S-8358B60MC-NRTT2G has two modes of operation, normal and protected. In the normal mode of operation, the output voltage is regulated through two signals, error signal (‘E’) and zero-cross signal (‘Z’). Error signal (‘E’) is used to control the output voltage. The zero-cross signal (‘Z’) enables precision output voltage regulation over the power supply line.

The regulator is enabled only when both the ‘E’ signal and ‘Z’ signal are active. Otherwise, it enters a protected mode to prevent over-voltage and over-current conditions from occurring. The protected mode also prevents short circuits from occurring.

The S-8358B60MC-NRTT2G includes a high precision & low temperature coefficient reference circuit, and a low dropout auxiliary regulator circuit to ensure constant output voltage even over a wide input voltage range.

Working Principle

The working principle of the S-8358B60MC-NRTT2G utilizes the basic operation of the switching controller. The device takes the input voltage and reduces it to an intermediate voltage. The intermediate voltage is then boosted to the desired output voltage set by the error signal (‘E’) and zero-cross signal (‘Z’) through the integrated boost chopper control circuit. The boost chopper control circuit does this by chopping the input voltage in accordance with the ‘E’ and ‘Z’ signals and sending the chopped portion to the output. The output voltage is then regulated through the low dropout auxiliary regulator circuit, ensuring constant output voltage even over a wide input voltage range.

The S-8358B60MC-NRTT2G incorporates several protective features to guard against overload, over-voltage, over-current, and short-circuit conditions. When such conditions occur, it enters a protected mode and disconnects the output to prevent excessive damage.

Application Fields

The S-8358B60MC-NRTT2G is suitable for multiple applications. It is used in switching power supplies, industrial automation, medical equipment, and lighting systems. It provides a reliable, compact, and cost-effective solution to provide constant output voltage. It is also used in applications where accuracy and precision of output voltage is critical, such as in the battery charging systems.

The device is also very suitable for small or medium power applications as it is designed with low power consumption and does not require an external driver or oscillator. Because of its low EMI generation, it can also be used in applications that require low electric noise such as audio amplifiers and instrumentation equipment.

Conclusion

The S-8358B60MC-NRTT2G is an advanced negative regulator type switching controller with wide input voltage and output voltage ranges. It is designed for multiple applications, such as industrial automation, medical equipment, and lighting systems. It features high accuracy and excellent transient response, and provides reliable, compact, and cost-effective solutions for various needs.

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