VIBLT1-S5-S5-SMT-TR Power Supplies - Board Mount

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DC DC Converters

The VIBLT1-S5-S5-SMT-TR is a type of DC DC Converters and is an example of a cascaded, high voltage buck-boost converter. It is used to convert either a higher or lower voltage to the desired output voltage using high frequency switching techniques. It is very efficient and has a high power density. This makes it ideal for use in a range of applications, from renewable energy systems to consumer electronics.

The VIBLT1-S5-S5-SMT-TR is a three-phase, isolated, symmetric three-level DC-DC converter with two stages of PWM control. It is based on Active Clamp Topology. In this type of converter, the upper side converter is used to drive the high-side switch while the lower side converter is used to drive the low-side switch. The converter is also equipped with a two-stage control algorithm which ensures smooth operation in all conditions.

This type of converter has many advantages, including a high efficiency of up to 98.5%, low power loss, and low EMI. It can deliver continuous power up to 800W and operates over a wide input voltage range of 8-55V. It is also designed to be highly reliable and has a very low switching noise. This makes it suitable for use in a variety of applications, including renewable energy systems such as solar and wind, LED lighting, consumer electronics, electric vehicles, and even industrial applications.

The working principle of this type of converter is quite simple. It utilizes two transformer isolated stages to provide high voltage isolation and enable smooth power transfer. The two transformers are connected in series and are driven by a high frequency switching action. The upper stage transformer converts the input voltage to a lower buck voltage, while the lower stage transformer converts the buck voltage to the desired output voltage. The converter achieves its high efficiency by utilizing synchronous rectification and precise phase control.

In addition, the converter is equipped with several key design features that provide additional reliability and functionality. These include a fault protection circuit, Thermal Shutdown, Overcurrent Protection, Automatic Overvoltage Protection, and Voltage Surge Protection features. This ensures that the converter is reliable and safe to use in any application.

In conclusion, the VIBLT1-S5-S5-SMT-TR is an efficient and reliable example of a DC DC converter. It is a cascaded, high voltage buck-boost converter that can be used to convert either higher or lower voltages to desired outputs. Its high power density and wide input voltage range make it suitable for use in a variety of applications, from renewable energy systems to consumer electronics. The two-stage control algorithm and additional safety features make it highly reliable and safe to use.

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