VE-J3B-CX-S

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DC DC converters are electronic devices that convert direct current (DC) from one voltage level to another. The VE-J3B-CX-S is a type of DC DC converter that is optimized for high efficiency, wide input voltage range, and high output current. This article discusses its application field and working principle.

Application Field

The VE-J3B-CX-S is a high-efficiency, wide input voltage, isolated, and dual output DC DC converter. It is suitable for a variety of applications such as data communication, networking, office automation, industry automation, and military/aerospace applications. It is available in two configurations; single output and dual output. The single output model is available in two input voltage ranges; 5 to 15 VDC and 24 to 48 VDC. The dual output model is available in three input voltage ranges; 5 to 15 VDC, 12 to 24 VDC, and 24 to 48 VDC.

The VE-J3B-CX-S is designed for high efficiency with minimum power dissipation. It is a non-isolated dc-dc converter, meaning that it requires only one input voltage for operation. It also has a wide operating temperature range of -40°C to +85°C, making it suitable for a wide range of applications. The output voltage can be adjusted to exact value using the on-board trim. It also provides overvoltage/overcurrent/thermal protection and external control for remote on/off.

Working Principle

The VE-J3B-CX-S is a high efficiency, wide input voltage, dual output DC-DC converter. It works by converting the input voltage to a higher voltage and then regulating the output voltage. The converter consists of two distinct stages; a high frequency switching stage and a linear regulation stage. In the first stage, the input voltage is switched with a high frequency, resulting in an output voltage significantly higher than the input voltage. This output is then regulated by a linear regulator stage to the required output voltage.

The high frequency switching stage consists of a high frequency transformer, a switching circuit, and an inductor. The input voltage is switched using an insulated gate bipolar transistor (IGBT), which is connected to the primary of the transformer. The secondary of the transformer is connected to the output voltage, which is also connected to an inductor. The inductor serves to provide a steady current for the linear regulator stage.

The linear regulator stage consists of a voltage regulator, which is used to convert the output voltage of the switching stage to the required output voltage. The voltage regulator is connected to the inductor and the output voltage. The output voltage is then regulated using the voltage regulator. This output voltage can be adjusted using the on-board trim.

In summary, the VE-J3B-CX-S is a high-efficiency, wide input voltage, isolated, and dual output DC DC converter. It is suitable for a variety of applications and is available in two configurations; single output and dual output. It works by converting the input voltage to a higher voltage and then regulating the output voltage using a linear regulator stage.

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