V375B24E300BF2

Current - Output (Max):	12.5A
Base Part Number:	V375B24E300
Size / Dimension:	2.28" L x 2.20" W x 0.50" H (57.9mm x 55.9mm x 12.7mm)
Package / Case:	9-DIP Module
Mounting Type:	Through Hole
Efficiency:	88%
Operating Temperature:	-10°C ~ 100°C
Features:	OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	300W
Series:	MINI
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	24V
Voltage - Input (Max):	425V
Voltage - Input (Min):	250V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters: V375B24E300BF2 Application Field and Working Principle

DC-DC converters refer to electronic devices that convert one voltage level to another level in a different circuit. The V375B24E300BF2 is a semiconductor converter that’s designed to provide efficient, regulated power to many applications. This product is intended for most applications using 305-Vac input to generate -400 VDC output. Additionally, the integrated 200-Vdc energy storage ensures transient response to unstable input power conditions such as brownouts and overvoltages.

The Application Field of V375B24E300BF2 Converters

This converter is commonly used in applications such as networks, servers, workstations, telecommunications and process control systems. The V375B24E300BF2 converter has an ultra-wide dc input range of 180-450Vdc, including power factor corrected models with low power consumption and full input voltage range. This is a highly efficient and cost effective solution for any industrial application requiring both 300-Vac and -400-VDC output from a universal input voltage source.

The Working Principle of V375B24E300BF2 Converters

The working principle of the V375B24E300BF2 converter is based on switching-mode technology to convert electric energy from one dc voltage level to another. It works within a closed loop system to ensure the system stability and accuracy with fast transient response. This basic principle is used in many other dc-dc converters. The V375B24E300BF2 converter has many features to ensure a high efficiency, robustness, and reliability.

Input Stage

The input signal of V375B24E300BF2 converters is converted using a switched power device such as an insulated-gate bipolar transistor (IGBT) which is turned on and off by a Pulse Width Modulation (PWM) controller. The IGBT switches at a very high frequency creating an alternating voltage (AC)-input stage. If the input signal is a universal input, the AC-input stage is provided with an autotransformer that works for a wide range of input voltages.

Rectification

The output voltage of the AC-input is then rectified with a bridge rectifier to filter the noise and ripple and create adc signal. After the rectification, the waveform is converted to a dc signal with high voltage levels equal or higher than the input voltage. Thisdc signal is then ready for the regulation process.

Regulation and Output Stage

The regulation and output stage is the most important part of the converter. It works to control the current and transfer the power efficiently. In the regulation stage, the output dc voltage is compared with the reference voltage and any differences are corrected using the internal circuitry of the converter. The feedback loop of the converter ensures that the output voltage remains within ±% of the reference voltage. The output stage is responsible for dissipating the heat to maintain a low temperature level. Heat sinks are commonly used to increase the overall cooling of the converter. Heat sinks help to remove the heat generated by the output stage and ensure a long life of the converter.

Efficiency and Power Losses

Efficiency is a key parameter for dc-dc converters. In order to maximize efficiency, dc-dc converter should be designed with fewer losses. Power losses can be divided into input losses, output losses, and internal losses. The V375B24E300BF2 converter has very low power losses and an efficiency rating of up to 95%.

Conclusion

The V375B24E300BF2 is an efficient and reliable dc-dc converter that is designed for 305VAC and -400VDC output power. It uses switching-mode technology to convert electric energy from one dc voltage level to another. The feedback loop ensures that the output voltage remains within ±% of the reference voltage to guarantee a stable and accurate output voltage. The V375B24E300BF2 also has a high efficiency rating of up to 95%. Its features make it an ideal solution for a wide range of applications requiring both 300VAC and -400VDC output from a universal input voltage source.

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