UCC3808DTR-1G4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The UCC3808DTR-1G4 is primarily an AC-DC converter, offline switcher and ideal for a range of applications. This device features a wide range of operation modes to provide a flexible and versatile solution for many applications. It offers a simple solution that helps to reduce power losses and components while achieving efficient operation.

Features of the UCC3808DTR-1G4 include advanced power-saving features like auto mode, differential input voltage sensing for high StdB, and low cost and small line size for low power design. This device also comes with multiple input voltage ranges to match the application’s operating conditions, allowing for optimized end-product performance.

The UCC3808DTR-1G4 has an operating frequency range from 200KHz to 1MHz, and can handle input voltages from 3v up to 30v. It comes with a maximum power dissipation of 550 mW and has an efficiency range of 75 – 82%. Additionally, the UCC3808DTR-1G4 allows for adjustable output voltage and supports both continuous and burst mode operations.

The UCC3808DTR-1G4 can be used in a range of applications, such as AC-DC power adapters and other consumer power solutions, industrial and automotive converters, offline chargers, and rail-to-rail output converters. It can also be used in low power, small size, and low noise applications, due to its low operating switching frequency and its ability to switch very low operating current and high side DC current.

The UCC3808DTR-1G4 is a very efficient and reliable power solution that can help reduce product design and manufacturing costs. Its features also ensure high performance and enhanced power savings. As such, this device has become a popular choice for various industrial and consumer applications.

Working Principle:

The UCC3808DTR-1G4 operates using the pulse-width modulation based on a hysteretic current control scheme. It has a three-phase train network with a fixed frequency of 250 KHz. The device is controlled by a single signal input – the signal sets the compensation node voltage for each phase. When the signal sets the compensation node voltage for each phase, it selects and maintains an operating frequency based on the given load and the desired power factor. The signal also controls the phase current with a hysteresis current control loop. This ensures that the phase current is accurately controlled, even when there is a sudden change in load or input voltage. The output voltage can be adjusted by changing the compensation amps for each phase, which determines the gain of the feedback loop. This allows the user to accurately adjust the output voltage, allowing for a higher level of power efficiency.

The UCC3808DTR-1G4 is designed to protect against a wide range of over-voltage, over-current and over-temperature conditions. It is also designed to reduce audible noise by operating at low switching frequencies, which helps to reduce electromagnetic interference. It is an efficient, cost effective solution for many applications and helps to reduce power losses and components while achieving high performance.

The specific data is subject to PDF, and the above content is for reference