UCC2809PTR-1G4

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The UCC2809PTR-1G4 is an efficient and robust AC/DC converter and offline switcher PMIC (power management integrated circuit) device designed to power a wide variety of consumer and industrial applications. The device features voltage regulation, thermal protection, adjustable peak current limit and an adjustable output voltage as well as a wide input voltage range. It is suitable for providing power to low-power applications.

The UCC2809PTR-1G4 is a high-performance PMIC for AC/DC conversion and offline switcher applications. It is ideal for applications such as home appliances, white goods and HVAC systems. It utilizes Integrated Power System architecture which combines a PWM controller, a MOSFET, and a low-side power switch in a single package. This device features a trimless topology enabling automatic compensation under different load and line conditions. In addition, the device offers a primary-side voltage limit that can be adjusted to prevent overvoltage conditions and thermal shutdown protection to prevent damage due to excessive temperature. This protection can be disabled if required.

The integrated PWM controller of the UCC2809PTR-1G4 enables high efficiency and power factor. The device offers internal digital current mode control with programmable operating frequency, adjustable peak current limit, and adjustable output voltage. It also includes a light-load power save mode and a peak switch current mode for improved efficiency at high load conditions. The device includes an undervoltage lockout (UVLO) feature with programmable rising and falling thresholds for application safety.

The UCC2809PTR-1G4 is a highly integrated and flexible PMIC solution designed to power a wide variety of consumer and industrial applications. The device features voltage regulation, thermal protection, adjustable peak current limit and adjustable output voltage as well as a wide input voltage range. It features a trimless topology enabling automatic compensation under different load and line conditions and can be used in an off-line flyback or buck-boost converter applications. The device is designed to keep system costs down, enhance system power and provide improved energy efficiency and safety.

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