UCC28061DG4

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The UCC28061DG4 is a low-power, current-mode, single-channel power factor correction (PFC) controller. This PFC controller operates in continuous conduction mode (CCM) and is able to achieve total harmonic distortion (THD) levels as low as 5.5% in buck mode and 5.9% in boost mode. The UCC28061DG4 is also equipped with a powerful overtemperature protection feature for enhanced reliability and safety. This IC is designed to assist with the generation of a platform for high efficiency, low power consumption and low acoustic noise solutions, making it suitable for a wide range of application fields.

The UCC28061DG4 works by rectifying an ac line voltage input, which is measured via an internal voltage sense circuit. It then uses current-mode control to regulate an output voltage across an output inductor. This helps to minimize current ripple in the inductor and boost the power factor. The output of the UCC28061DG4 is optimized for the highest possible efficiency. This power factor controller is designed to operate with a wide input voltage range (85V to 265V AC) and at frequencies from 20 to 400Hz. It can also regulate various power levels from 5W to 250W with some external components.

The UCC28061DG4 is ideal for use in applications such as mobile chargers, consumer electronics, home appliances and lighting systems. It is also suitable for use in adapter applications for notebook PCs and IT-related products. This makes the PFC controller ideal for consumer and industrial applications due to its low-power consumption, wide input voltage range and high-efficiency operation.

The UCC28061DG4 is able to provide users with improved protection by using a combination of current limiter, thermal protection and input voltage limiter. This helps to ensure that the system is protected from overload conditions and prevents any damage to the power system hardware. The device is also equipped with a low-ripple current limit feature that helps to reduce the output voltage undershoot and overshoot.

The UCC28061DG4 also features an improved start-up and working process. It uses an integrated linear voltage regulator that reduces start-up time to a minimum and helps to ensure reliable operation. The device also features internal soft-start for load conditions, which helps to minimize power dissipation during start-up and reduce acoustic noise during operation. This helps to ensure that the system runs smoothly and efficiently.

The UCC28061DG4 is designed to offer superior performance and reliability. In addition to its wide input voltage range, the device also features a wide temperature range (-40°C to +125°C operating) and is RoHS compliant. This helps to ensure that the PFC controller is able to operate in a wide range of environments and is compliant with global regulations.

Overall, the UCC28061DG4 is a highly efficient and reliable PFC controller that is ideal for use in a wide range of applications. Its superior performance and low-power consumption make it suitable for applications such as mobile chargers, consumer electronics, home appliances and IT-related products. Thanks to its improved start-up and working process, wide temperature range and RoHS compliance, the UCC28061DG4 is able to provide users with a reliable and safe solution for their power factor correction requirements.

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