UCC3817ADG4

Series:	--
Packaging:	Tube
Part Status:	Active
Mode:	Average Current
Frequency - Switching:	6kHz ~ 220kHz
Current - Startup:	150µA
Voltage - Supply:	12 V ~ 17 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	UCC3817A

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UCC3817ADG4 application field and working principle

PMIC - PFC (Power Factor Correction) is a set of technologies used to improve the electrical power efficiency of an electrical system by minimizing wasted power. The UCC3817ADG4 is a powerful device that uses these technologies to improve the efficiency of an electrical system and reduce power costs.The UCC3817ADG4 is a voltage-mode controlled, programmable current-mode PFC controller specifically designed for high performance power factor correction. The device features a dedicated precision peak current sense amplifier, which allows the PFC converter to operate with Analog Devices\' patented Peak Current Mode Control (PCM™) technique. This technique significantly increases the robustness of the PFC converter, thereby improving overall efficiency and reliability.Using this device, power electronics engineers can accurately control the converter\'s power factor, allowing them to achieve the highest level of power efficiency and performance. This advanced device is also used for high power applications requiring a power factor of 0.95 or higher. Its programmable gain structure provides great versatility in controlling various system parameters.The working principle of the UCC3817ADG4 is straightforward. It provides a direct voltage-mode control of the power factor, meaning it can sense the amount of current being drawn by an electric appliance and adjust the voltage applied to the electric motor accordingly. This ensures that the electric motor is always operating at the most efficient power level, minimizing power waste and minimizing costs for the user.The UCC3817ADG4 controller is programmed using an external analog voltage reference and a secondary feedback loop, thus eliminating the need for manual adjustments. The device also has various protection features, such as under-voltage lockout, thermal protection and over-voltage protection. This ensures that the device operates safely, while ensuring consistently high levels of performance.The UCC3817ADG4 is widely used in consumer and industrial applications, such as motor drives, consumer appliances, HVAC systems and automation systems. It can also be used in power supplies and inverters for renewable energy systems. Its high efficiency, low stand-by current consumption and programmability make it a great choice for many applications. In conclusion, the UCC3817ADG4 is a powerful and versatile Power Factor Correction (PFC) controller. It is ideal for applications requiring high performance and power efficiency, and has a range of features that make it easy to set up and operate. With this device, power electronics engineers can ensure that the electrical system operates at peak efficiency and minimize power costs.

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