UCC2813D-1

UCC2813D-1 Application Field and Working Principle

UCC2813D-1 belongs to the PMIC (Power Management IC) — Voltage Regulators — DC DC Switching Controllers series. It\'s a switching controller that is mainly used to drive a step-down switching regulator circuit. It is capable of supplying up to 15A of switch current and is thus one of the most powerful and reliable switching controllers currently in the market.

Applications

The UCC2813D-1 is commonly used in notebooks, game consoles, printers, and all kinds of power adapters and power supplies because of its high current capabilities. As most of these devices require a reliable and efficient supply of power, the UCC2813D-1 provides a solution with its powerful drivers, fast transient response, and wide range of output voltage.

Working Principle

The UCC2813D-1 uses an internal error amplifier to accurately control the output voltage. This error amplifier compares the actual output voltage with the reference voltage set by the user. The output voltage of the error amplifier is then used as the control voltage for the power switch, which is usually an N-channel MOSFET. The duty cycle and on-time of the switch is modulated depending on the control voltage, allowing the output voltage to be accurately controlled. This switching controller also includes safety features such as Under-Voltage Lockout (UVLO) and Over-Voltage Protection (OVP) to ensure that the regulated output is always safe and within the specified parameters.

Conclusion

The UCC2813D-1 is one of the most powerful and reliable switching controllers available. Its fast transient response and wide range of outputs make it an ideal solution for applications requiring high current efficiency. With its added safety features, it provides an effective solution for power management in different applications such as notebooks, game consoles, printers, and power adapters and supplies.