Synchronous Buck Regulator Promises Wide Operating Voltage Range

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  • This device can help designers in developing regulators which do not require heat sinks
  • Protection circuits have been imbibed in the device for regulating power dissipations

A Buck converter is a major component used in the development of DC operated devices. These devices are used in a wide range of application areas.The demand for high-end devices has grown the need for efficient buck converters which can provide higher current dissipations.

Vishay Intertechnology recently introduced two new series of microBUCK synchronous buck regulators. These buck converters are available with an output rated current of up to 12 Ampere. The device is designed in a form factor of 5mm x 5mm. This allows the implementation of the IC in both the configurations including surface mount devices (SMD) and dual-inline packages (DIP).

Vishay-Siliconix-SiC46X
Vishay-Siliconix-SiC46X

 

Offers a high efficiency and low operating current

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As stated by the company, the device offers a low operating current of up to 156 microamperes. The efficiency of the device is rated to be 98 per cent. Hence, it can help designers to increase power density by reducing the power losses in a design.

The microBUCK offers a wide operating area which provides design flexibility to a system. This helps in choosing a wide range of operating temperature and current parameters for a particular design. With the help of this feature, system cost along with the PCB size can be reduced for a particular design.

It offers a variable current range without altering internal parameters

All the different EEROM designs share the same controller IC and package outlines. The designer can select the required product from a wide variety of products segregated by different MOSFET current ratings.

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The regulator features an adjustable switching frequency of up to two MHz. It provides current limiting and adjustable soft-start settings. As stated by VT, the device can work in two different operating modes which can eliminate the need for external RC networks.

All these features help in the easy integration of these devices in a large number of applications. These include DC/DC converters for industrial and factory automation, home automation, industrial computing, base station power supplies, 5G network equipment, wall transformer regulation, robotics, drones, battery management systems, power tools, and vending, ATM, and slot machines.

As the area of application is very wide, this device can be a good replacement for the currently-used regulator solutions.


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