VI-JWJ-CX-F3

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DC-DC converters refer to the switching power supply in the power supply circuit, which can convert the voltage level of DC power and efficiently provide the power required by the device. There are many types of DC-DC converters, such as VI-JWJ-CX-F3, which are widely used in different applications and have different working principles.

VI-JWJ-CX-F3 Application Field

VI-JWJ-CX-F3 belongs to the DC-DC converters, which is a low profile non-isolated switching power module, with wide voltage input range and high temperature protection, etc. It is mainly suitable for small low-power and digital devices with maximum power up to 3W. Common applications include communication devices, security systems, portable instruments, digital music players, multimedia display and consumer devices. It is known for its quiet acoustic noise, 100% full load burn-in test, load regulation 10%, wide input range, over-current protection, low operating temperature and high working efficiency.

VI-JWJ-CX-F3 Working Principle

The internal structure of VI-JWJ-CX-F3 is composed of a rectifier circuit, an adjustable voltage regulator, an FET switch, an inductor filter and some opto-isolated accessories. These components are connected in series and form a closed-loop with feedback. The input of the DC power supply is input and the output voltage is obtained by regulating the pulse width of the pulse width. After rectification and filtering, the required input voltage is obtained and then it becomes DC power. The adjustable voltage regulator is connected to the switch circuit where it can be used for voltage regulation by pulse width modulation.

The switching FET is used for the charge and discharge of the inductor, and in order to ensure the input and output voltage conversion, the two transistors switch period according to the voltage control signal to achieve the purpose of constant output voltage. The filter inductor is used to effectively smooth out the ripple in the output voltage. With its wide input voltage range, current protection, low operating temperature, and high efficiency, it is an ideal solution for small load DC-DC conversion applications.

To sum up, the VI-JWJ-CX-F3 DC-DC converter is mainly used for small low-power and digital devices, and its working principle is mainly composed of a rectifier circuit, an adjustable voltage regulator, an FET switch, an inductor filter and some opto-isolated accessories. It has wide input range, low operating temperature and over-current protection, etc., which is an ideal solution for small load DC-DC conversion applications.

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