| Allicdata Part #: | UCC3817DG4-ND |
| Manufacturer Part#: |
UCC3817DG4 |
| Price: | $ 1.65 |
| 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: |  UCC3817DG4 Datasheet/PDF |
| Quantity: | 1000 |
| 240 +: | $ 1.49139 |
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: | UCC3817 |
Description
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Power factor correction (PFC) is one of the most widely used technologies in the field of power management and has significant benefits for both public and industrial utilities, as well as for the end user. The UCC3817DG4 is a PFC controller designed for use in AC/DC power supply systems, especially for applications requiring higher levels of power efficiency and high-quality AC output. This article will discuss the working principle, application fields and features of the UCC3817DG4 controller.
Working Principle of the UCC3817DG4
The UCC3817DG4 is a feedback controller which is based on the negatively-sloped, synchronous edge-correction technique. This technique works by ensuring that current is synchronously issued to a reactive filter, which improves the power factor, while maintaining high efficiency. The device has two outputs, each one configured to provide its respective synchronous pulse, which can be used with a filter circuit to generate an improved power factor. The device also provides an analog output that can be used to control the current within the system.The UCC3817DG4 also incorporates a low-power, low-voltage control loop, which ensures that the power demand on both the current and voltage enable (VX) and the active enable (Vdel) is reduced. This reduces stress on the components and decreases power consumption. Additionally, the device\'s dual-output design prevents the loss of the current loop, further reducing components stress and power consumption.
Application Fields of the UCC3817DG4
The UCC3817DG4 controller is capable of improving the power factor in a variety of applications, including AC/DC power supplies used in computing, telecommunications and consumer electronic devices. Additionally, this device can be used in powering large industrial plants and utilities, where there is a need for high levels of efficiency and cost-effectiveness.In such applications, this controller can be used to power consumer and lighting applications, including LED lighting, ceilling fans, security systems and smoke detectors. Furthermore, the device is capable of powering UPS systems and un-interruptible power supplies, which provide emergency power to computers, security systems, and specialized electronics in the event of a power outage. The device can also be used in renewable energy applications, such as off-grid solar systems.
Features of the UCC3817DG4
The UCC3817DG4 features numerous benefits, such as improved efficiency and power quality, as well as increased reliability. Additionally, the device features an adjustable operating frequency of up to 600 kHz, which allows for increased design flexibility. The device also has a standby mode with a low-power state, which reduces power consumption and improves the system\'s overall efficiency.Furthermore, the UCC3817DG4 is designed to minimize the system\'s electromagnetic interference (EMI) by utilizing a specifically designed internal filter and shutdown mode recovery time. The device is also protected from over-current, over-voltage and over-temperature conditions. Finally, this device is designed for use in harsh environmental conditions, such as high temperatures, humidity and vibration. The device is compliant with all relevant international standards, including the IEC61000-3-2 harmonic standard.
In conclusion, the UCC3817DG4 controller is an effective and efficient tool for power factor correction in applications that require high levels of efficiency and power quality. The device features an adjustable operating frequency, low-power standby mode and overload protection, as well as protection from high temperature, humidity and vibration. Moreover, the controller is compliant with international standards, making it suitable for use in a variety of applications.
The specific data is subject to PDF, and the above content is for reference
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