| Allicdata Part #: | UCC3818DWG4-ND |
| Manufacturer Part#: |
UCC3818DWG4 |
| Price: | $ 1.71 |
| 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: |  UCC3818DWG4 Datasheet/PDF |
| Quantity: | 1000 |
| 200 +: | $ 1.54791 |
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 (0.295", 7.50mm Width) |
| Supplier Device Package: | 16-SOIC |
| Base Part Number: | UCC3818 |
Description
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Power Factor Correction (PFC) is a method used to reduce power losses and improve the efficiency of electrical systems. It refers to the ability of an electrical system to transfer power from an electrical source to a load without excessive losses. PFC is used for a variety of different applications, from power grids, to consumer electronic devices. The UCC3818DWG4 is a cost-effective, pin compatible analog PFC solution that can be used in a wide range of PFC applications, such as single phase AC-DC converters, portable electronics, and home appliances.
UCC3818DWG4 Features and Benefits
The UCC3818DWG4 is an advanced PFC controller IC, featuring an optimized design for power factor correction and rated for delivery of up to 75W of continuous output power. It offers low total harmonic distortion and high average efficiency values. It also provides a wide range of adjustment capabilities, including output voltage and current limits, peak switching frequency and dimming control.The UCC3818DWG4 is designed to minimize the parts count of the overall PFC design, reduce EMI/RFI noise, provide robust protection, and facilitate ease of use in small-form-factor and space-constrained designs. It is available in both standard and low-voltage operating ranges and can operate at low and high temperatures.UCC3818DWG4 Application Field and Working Principle
The UCC3818DWG4 is used in a variety of PFC applications, such as single phase AC-DC converters, portable electronics, home appliances and industrial power supplies. It is suitable for military and commercial applications and is also suitable for use in automotive applications.The UCC3818DWG4 is based on an active PFC topology, allowing it to provide a high power factor and low total harmonic distortion. The active PFC topology requires less components than the traditional PFC boost-diode topology, resulting in cost and size savings.The PFC controller operates by providing a continuous current to the power stage, where the power stage continuously adjusts its output voltage in order to maintain a constant input current. When the input voltage reaches its maximum, the PFC controller stops providing a constant current, causing the power stage to reduce its output voltage. This results in a reduction in power loss and improved efficiency.In addition to active PFC, the UCC3818DWG4 also features a wide range of protection features, including output overvoltage protection (OVP), undervoltage lockout (UVLO), adjustable peak current control, current sensing, and dimming control.Conclusion
In conclusion, the UCC3818DWG4 is a cost-effective, highly integrated PFC controller IC that can be used in a variety of applications, ranging from scalable power grid solutions to home appliances. It is based on an active PFC topology and offers low total harmonic distortion and improved efficiency. In addition, the UCC3818DWG4 features robust protection functions and a wide range of adjustable features.The specific data is subject to PDF, and the above content is for reference
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