UCC3580N-2G4

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PMIC - AC DC Converters, Offline Switchers are very important components in power management integrated circuits(PMIC). UCC3580N-2G4 is used for power supply design, which provides functions such as Off Line Switcher, AC-DC converter, energy saving, thermal protection and so on. In this article, the application field and working principle of UCC3580N-2G4 will be discussed.

UCC3580N-2G4 is an Advanced Off-Line Switcher (ACPS) with a wide input range from 90VAC to 264VAC which provides a peak power output of up to 2W. It comes with a range of features that make it ideal for a variety of different applications. It can be used in applications such as power supplies, AC/DC converters, mobile chargers and other small power converter applications.

UCC3580N-2G4 has a number of features that make it an ideal choice for a variety of different applications. It is designed with a patented AutoRestart technology which helps to automatically restart the system if the input voltage is lost or too low. This feature offers the system a reliable backup power supply even in the event of a power outage. It also comes with a wide LED dimming range which gives designers the freedom to adjust the LED\'s brightness levels for a range of applications. The chip also offers low quiescent current which helps save energy and reduce power consumption in various applications.

UCC3580N-2G4 has two main components which are the switcher and the regulator. The switcher is responsible for taking in AC input, converting it to DC, and then delivering the resulting output power to the load. The regulator ensures the output voltage is maintained within safe limits and protects the circuitry from overvoltage or undervoltage conditions. In general there are two types of switching topologies, namely the forward converter and the flyback converter. For UCC3580N-2G4, it is a fly-back converter as it allows the use of an isolated output, which is often desired when using a load connected to the output of the regulator.

The working principle of UCC3580N-2G4 is as follows: when the AC input voltage is applied to the chip, the Rectifier circuit will rectify and filter the input voltage, converting it to a DC voltage. This will be then fed to a PWM circuit which controls the on and off times of the switch, which in turn controls the frequency of the output current. This PWM circuit is then connected to the Trans-controller which provides the ability to adjust the output voltage by changing the duty cycle and thus changing the transformer\'s frequency. Once the desired output voltage is set, the Control and SNW circuit will open and close the switch in order to maintain the desired output voltage. The chip also features over-voltage, over-temperature and current limiting protection features.

UCC3580N-2G4 is a feature-rich and highly efficient chip which can be used in a wide range of applications. The chip can be used for AC/DC power supplies and AC-DC converters. It provides a wide input range from 90VAC to 264VAC, ultra-low power consumption and offers a peak power output of up to 2W. Its innovative AutoRestart technology makes it a reliable backup power supply in the event of power outages. Its wide LED dimming range and low quiescent current saving feature make it an excellent choice for various applications.

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