High-voltage switcher provides non-isolated AC/DC conversion

This post sponsored by Texas Instruments.

The UCC28880 integrates the controller and a 700-V power MOSFET into one monolithic device. Additionally, it integrates a high-voltage current source, enabling start-up and operation directly from the rectified mains voltage.  

The low quiescent current of the UCC28880 allows for excellent efficiency. With the UCC28880, the most common converter topologies, such as buck, buck-boost, and flyback, can be built using a minimum number of external components.

The device incorporates a soft-start feature for controlled startup of the power stage, minimizing the stress on the power-stage components. It generates its own internal low-voltage supply (5 V referenced to the device’s ground) from the integrated high-voltage current source. It may be used for applications such as AC-to-DC power supplies, metering, home automation, infrastructure SMPS, appliances, and LED drivers. The UCC28880 features a click here.
For detailed information about the tool mentioned above, click here.
To request a sample, click here.
To download a datasheet, click here.

To buy now at Mouser, click here.

By: Rachel Kalina, Hearst Business Media