VOF-15B-S5

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AC DC converters are devices which are used to convert alternating current (AC) to direct current (DC). VOF-15B-S5 AC DC converters are a type of non-isolated DC-DC converter which is ideally suited for a wide variety of applications, particularly those requiring high efficiency and power density. The device is a two switch device and uses PWM modulation for output voltage control.

Applications

VOF-15B-S5 AC DC converters are typically used in the following applications areas:

• Computer Peripherals
• Telecommunications
• High-end digital products
• Battery operated instruments
• Control and Industrial equipment
• AV applications
• Automotive applications

The VOF-15B-S5 AC DC converters can work under a wide input voltage range of 6~37VDC and its maximum output power is up to 15W. It has a high efficiency of up to 95% with temperature adjustments. The device also offers short circuit protection, over-voltage protection, over-temperature protection and input voltage transients protection which make them suitable for industrial applications.

Working Principle

VOF-15B-S5 AC DC converters are two-switch configurations that uses Pulse Width Modulation (PWM) to achieve the desired output voltage. The converter switches the power transistor ON and OFF to vary the output voltage to match the input requirement. The converter operates in the discontinuous current mode (DCM) at low load and in the continuous current mode (CCM) at high load. During the CCM operation, the current waveform is continuous while for the DCM operation, the current waveform is discontinuous.

In addition, the VOF-15B-S5 AC DC converter also has a programmable soft-start circuit that prevents the initial inrush current in the system. The presence of this feature also improves the efficiency of the converter as it helps limit the amount of current flowing through the converter when a load is applied.

In summary, the VOF-15B-S5 AC DC converter offers a high efficiency, high power density and wide input voltage range suitable for various applications. The converter is also protected against over-voltage, over-temperature and other transients for reliable operation in industrial as well as consumer applications.

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