Renesas’ New 700V Buck Regulators offer Low Power Consumption, No Audible Noise, Reduced BOM Costs

Semiconductor specialist Renesas Electronics Corporation has unveiled new 700V buck regulators that offer designers numerous advantages over competitive solutions.

June 24, 2021. By Manu Tayal

Semiconductor specialist Renesas Electronics Corporation has unveiled new 700V buck regulators that offer designers numerous advantages over competitive solutions.

The new RAA2230XX devices deliver superior power consumption, noise and EMI suppression, as well as reduced overall system cost. They are ideal for a wide range of applications, including home appliances, sensing systems such as smoke alarms and gas sensors, white goods, power meters and industrial controls.

The new RAA2230XX buck regulators consume only 10mW to 30mW when idle, helping system designers meet ever-tightening standby power regulations. They feature a unique switching algorithm which minimizes electromagnetic interference (EMI) and eliminates audible noise, such as ‘humming’ or ‘whining’ that can affect competitors’ solutions.

The new regulators also can supply as low as 3.3V output, enabling designers to eliminate a second-stage low dropout regulator (LDO), saving BOM cost and board space.

The new buck regulators connect to the AC line to power Renesas MCUs, sensors and other digital ICs.

Commenting on the new launch, Philip Chesley, Vice President of the Industrial and Communications Business Division at Renesas, said “the RAA2230XX family is a superior solution that complements our deep and broad line of products for the home and industrial markets. This is an excellent example of Renesas’ ability to combine great products with design and applications expertise to help our customers get to market faster with differentiated end products.”

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