VE-23T-MX-F4

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DC DC converters are widely used in electronic circuits due to their multiple functional capabilities. The VE-23T-MX-F4 is a switch-mode DC DC converter device created by Vicor, a power conversion specialist in the technology industry. It is designed to convert an input voltage of up to 48 Volts DC into a regulated 24 Volts DC output.

This device features a form factor of 2x1x0.41" which enables it to be efficiently mounted on board circuits and PCBs. The VE-23T-MX-F4 has an internal rectifier that eliminates the need for an external rectifier and a flyback topology that allows for low output ripple. It is also excellently suited to digital control applications due to its high-speed MOSFET switching operation and ±2.5% output voltage accuracy.

The VE-23T-MX-F4 is an isolated DC DC module ideal for applications such as consumer products and device networks, power supply for FPGA/Processors and power distribution boards, automotive power supplies, or industrial power systems. It is compatible with 12 – 48 VDC inputs with an efficiency rating of up to 96.6%. Maximum input current is 10.5A and the maximum power output is 234 Watts.

Working principle:
The VE-23T-MX-F4 utilizes a synchronous buck switching topology which is a form of switched-mode power supply. It works by connecting an inductor to the input voltage source and to the load, while switching on and off a transistor. The current in the inductor will be forced to ramp up and down which will then cause the voltage across the inductor to have an opposite polarity to the input voltage. This creates a voltage polarity switch across the load, which can be used as a DC voltage.

The VE-23T-MX-F4 is designed to be a highly efficient power supply, with a switching frequency of 750 kHz. This is important as the switching frequency is proportional to the output ripple voltage. The higher the frequency, the lower the output ripple voltage.

The VE-23T-MX-F4 also features an internal full-wave synchronous rectifier which reduces the total number of components needed and ensures a more efficient power conversion process. The internal rectifier eliminates the need for an external rectifier and reduces the amount of heat generated compared to conventional linear regulators.

The VE-23T-MX-F4 also incorporates a pulse-width modulation (PWM) circuit in order to control the output voltage. The PWM circuit compares the output voltage to the reference voltage and adjusts the pulse width accordingly. This ensures that the voltage output remains within 2.5% of the reference voltage.

Additionally, the VE-23T-MX-F4 also has a built-in protection circuit which allows the device to regulate the output voltage and current, safeguard components, detect over-voltage and over-current conditions and shut-down the device in case of a fault.

Overall, the VE-23T-MX-F4 is an excellent choice for DC DC converter applications due to its small form factor, high reliability and efficiency, excellent high-speed MOSFET switching, adjustable output voltage, and built-in protection features. It is an ideal solution for applications such as consumer products, automotive power supplies, digital control applications and industrial power systems.

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