UCC2813PWTR-2G4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

UCC2813PWTR-2G4 is a fully integrated high-voltage buck controller specifically designed for offline flyback AC/DC applications. UCC2813PWTR-2G4 supports wide range of output voltage and output power, based on its capability of driving power MOSFET with up to (600V/4A). It provides various protection mechanisms such as quasi-resonant operation, frequency foldback, overvoltage protection, over-current protection, line under voltage lock and output over voltage protection, in order to improve system reliability.

It offers fixed frequency, continuous conduction buck controller. The output of UCC2813PWTR-2G4 is a Pulse Width Modulated wave which maintains steady output voltages, regardless of input voltage variations, load conditions, and temperature. The controller topology facilitates the output voltage design over a wide range. The system designer/engineer can plug in different components as required to design the AC/DC power supply with the desired output.

The features of UCC2813PWTR-2G4 includes frequency foldback, overvoltage protection, over power protection with quasi-resonant architecture, line under voltage lockout and current limit protection, input protection and thermal shutdown. Its fixed frequency off times are adjustable by using external control pin.

The working principle of UCC2813PWTR-2G4 is related to the principles of flyback converter. First of all, when the MOSFET is switched on, energy from the input voltage source is being stored in the primary inductor and hence no primary current passes through the transformer. Then when the MOSFET switches off, energy stored in the primary inductor is delivered to the secondary side of the transformer. On the secondary side, rectification is done to convert this AC voltage to the DC voltage.

The important role that the UCC2813PWTR-2G4 plays in this cycle is controlling the switching frequency and duty cycle of the transistor. The voltage across the secondary winding of the transformer is determined by the duty cycle of the transistor. The output of UCC2813PWTR-2G4 is a pulse-width modulated wave which maintains a steady output voltage, regardless of input voltage variations, load conditions and temperature.

UCC2813PWTR-2G4 is mainly used in offline flyback AC/DC converter applications such as computer monitor, printer, scanner, power adaptor, TV, DVD, electronic meter, and many other applications. It provides a faster, more efficient and more reliable solution to the design of power supply systems. Its wide range of features makes it well-suited for industrial, commercial and residential applications.

The specific data is subject to PDF, and the above content is for reference