JHL0624D12 Power Supplies - Board Mount

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DC DC Converters - JHL0624D12 application field and working principles

DC-DC converters, also known as "switched mode power supplies", are electronic circuits which are used to efficiently convert electrical energy from a given voltage to a wanted voltage. Specifically, the JHL0624D12 is a DC-DC converter that is a “light” type power module adopting 48V input and 12V output and is an ideal choice of power module for all kinds of power system.

Application Field

The \'industry standard\' JHL0624D12 is designed for applications that require a nominal output of 12V with a low ripple and noise. This DC-DC converter is notable for being one of the highest efficiency power module ensuring long working life and stable performance. Due to its high efficiency, it can be used in low power applications such as embedded or industrial systems, computer and automotive systems. It is also used in high power applications such as server power systems and other power supplies requiring a 12V output. This converter is also widely used in telecommunications, medical systems, instrumentation, automated test equipment, power backup systems, battery charging systems and more.

Working Principles

The JHL0624D12 converter works by rectifying and converting the input AC voltage from the power grid to DC voltage. These rectified and optimized DC voltages are then converted into appropriate DC-DC voltages by a power switching process. Depending on the required output voltage, DC-DC converters use high frequency oscillators to switch between two (or more) regulated power levels from the main power source to the load, enabling to control the output voltage and the current accurately. Generally, the switching happens at several hundred or thousand times per second. The switching could also be done via Pulse Width Modulation (PWM), a process that generates an analog output voltage based on the pulse-width modulation of a digital signal.

The JHL0624D12 DC-DC converter has two “D” type low on-state MOSFETs that provide a high frequency switching system. This allows to convert AC power to DC power at the input stage and then from DC to DC at the output stage as the voltage is regulated to the required output value. As it is designed to be a current mode PWM control, the circuit monitors the output current and adjusts the pulse width accordingly so that it can maintain a constant current output. This feature helps the converter to be more efficient in terms of output power as well as the ability to function over a wide input voltage range.

In summary, the JHL0624D12 DC-DC converter is an efficient and reliable power module and is an ideal solution for any power system application requiring a nominal 12V output. It is specially designed to convert AC power into a regulated DC voltage with stable output currents, low ripple and noise, and high efficiency.

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