JCL3048S12

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DC DC Converters

The JCL3048S12 is a miniature DC-DC converter that converts a DC voltage from an unregulated power supply to a regulated high voltage DC output. It is rated to provide up to 12A continuous output current with an output voltage of 30V. The converter is designed to be an efficient and compact power solution for many applications.

The converter utilizes a high efficiency step-up switching topology with a synchronous rectifier. This enables it to achieve high efficiency and low ripple voltage on the output. The input voltage is adjustable from 4.5V to 32V, making it suitable for a wide variety of power sources.

The JCL3048S12 features many protection functions that help prevent it from being over-stressed. These protection functions include power limit, thermal shutdown, short circuit protection in both the input and output, and current limiting. The converter also provides excellent EMI performance with a low current-mode control.

The JCL3048S12 has various applications in power electronics. It can be used to power automotive and industrial systems such as PLCs, pumps, lighting, medical equipment, motor control, solar energy systems, and more. It is also useful in medical equipment, household appliances, and office automation.

Working Principle

The JCL3048S12 utilizes a synchronous step-up switching topology with low ripple, low EMI, and high efficiency. It takes an unregulated input voltage and steps it up to a regulated high voltage DC output. The converter is current mode controlled and utilizes a self-supplied PWM controller which enables it to start up down to 0V. The switching frequency is adjustable up to 1MHz, ensuring the desired output ripple and resolution.

The converter features a number of internal protections, such as short circuit protection, temperature protection, current limiting, and power limit protection. This helps ensure the stability of the output voltage and also prevents the converter from being over-stressed and damaged. The converter also features a very low standby power consumption.

Conclusion

The JCL3048S12 is an ideal DC-DC converter for a wide variety of applications. It features high efficiency, low ripple, and excellent EMI performance. It also provides a number of protection functions to protect it from being over-stressed. This makes it an ideal choice for powering a variety of automotive, industrial, and medical systems.

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