VE-23J-CU

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DC-DC converters have become increasingly popular due to their ability to convert electrical power from one voltage level to another. The VE-23J-CU is a DC-DC converter designed to provide a regulated output voltage of either 12V or 24V from an unregulated input of 12V, 24V or 48V. This versatile DC-DC converter is suitable for a wide range of applications, from powering LED fixtures to supplying power to other embedded electronic devices.

The VE-23J-CU is based on a reverse buck-boost, voltage inverter topology and is specifically designed to enable the conversion of the input voltage to one of two user-selectable regulated voltage levels, 12V or 24V. The user can select the desired output voltage simply by using two jumpers located on the board. In addition, it also features a wide input voltage range (12V – 48V), low no-load power consumption, a power-on LED indicator and short-circuit protection.

The VE-23J-CU is comprised of a power stage, a control stage, and two user-provided jumpers. The power stage consists of two power transistors, two inductors, two capacitors, and various resistors. Two MOSFETs are used as power switches in order to control the output voltage and current. The control stage consists of a comparator, a reference voltage source, and an error amplifier which controls the duty cycle of the inputs according to the feedback from the comparator. The two user-provided jumpers are responsible for setting the output voltage to either 12V or 24V.

During operation, the main operating parameter is the duty cycle of the input voltage. The duty cycle is controlled by the output voltage and sensed by the comparator. The comparator compares the output voltage to a user-provided reference voltage and turns on and off the power switches accordingly. When the output voltage is below the reference voltage, the power switch turns on and increases the duty cycle. When the output voltage is above the reference voltage, the power switch turns off and reduces the duty cycle. This process ensures a regulated output voltage.

In summary, the VE-23J-CU is a compact and efficient DC-DC converter capable of converting an unregulated input voltage of 12V, 24V, or 48V to either 12V or 24V depending on user selection. It is suitable for a variety of applications, including LED fixtures and embedded electronic devices. Its simple design and high efficiency make it an ideal choice for any DC-DC conversion application.

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