| Allicdata Part #: | UCC3818DG4-ND |
| Manufacturer Part#: |
UCC3818DG4 |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC PFC CTRLR AVERAGE CURR 16SOIC |
| More Detail: | PFC IC Average Current 6kHz ~ 220kHz 16-SOIC |
| DataSheet: |  UCC3818DG4 Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| 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: | UCC3818 |
Description
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The UCC3818DG4 has significant applications in power factor correction (PFC) and has been helping to meet the growing need for energy efficiency in many industries. This advanced device from Texas Instruments offers innovative integrated features designed to deliver a high dynamic performance advantage. It features a novel synchronous rectification technique that improves the power factor correction in converters and allows them to be designed with higher efficiency. In this article, we discuss the technology behind the UCC3818DG4 and the working principles used to achieve power factor correction.The UCC3818DG4 is a synchronous rectification type buck preregulator. It is an integrated circuit that works on the principle of preregulating an AC line. This active power factor preregulator offers a higher dynamic performance that ensures the supply edge is reached to its target voltage with minimal glitches. Hence, it can easily fabricate into the power supply without any major component updates. The PFC device utilizes the preregulating capabilities of a power switching voltage regulator which yields high efficiency operation and higher system reliability.To understand the way the UCC3818DG4 works, we need to look at how power is highly preregulated by using both synchronous and isolated outputs. In conventional linear rectifiers, a single component (diode) is used to regulate the input voltage. However, in the case of the UCC3818DG4, a synchronous rectifier is used on the power input side to preregulate the power supply. The regulator also utilizes an isolated voltage output to control the switch (mosfets) operation in order to achieve better control and to reduce power related losses.The synchronous rectification techniques used by the UCC3818DG4, reduce power losses due to voltage losses and also result in a more efficient system as compared to other methods employed in power factor correction. In addition to using the synchronous rectification technique, the UCC3818DG4 also utilizes two outputs - the synchronous rectification output and the isolated voltage output. The synchronous output works to regulate the input power while the isolated output works in concert to provide better control of the switch. This is beneficial since the switch can be operated in higher frequency resulting in more efficient operation.The primary benefit of using the UCC3818DG4 as a PFC device is improved power factor, which ensures higher system efficiency. As power is highly preregulated, a greater degree of freedom is available to designers in terms of creating a more efficient power conversion system. The UCC3818DG4 is designed to reduce the amount of energy losses associated with traditional power rectification methods and to help achieve better power factor.The UCC3818DG4 is a very effective PFC device and can be used for various applications. It can be used for notebooks, smart city solutions, sensors, networking devices, automotive solutions and many others. The device enables higher system efficiency and integration by reducing the need for multiple components and reducing energy losses. The UCC3818DG4 is designed to provide advanced, high performance power factor regulation solutions.In conclusion, the UCC3818DG4 is an advanced PFC device that is designed to enable the use of improved power factor and efficiency in converters and other related applications. The device is composed of a synchronous rectifier and isolated voltage output, which offer improved system performance. The UCC3818DG4 offers improved power factor thus reducing losses and improving system integration.
The specific data is subject to PDF, and the above content is for reference
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