
UCC2819APWR Integrated Circuits (ICs) |
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Allicdata Part #: | 296-34915-2-ND |
Manufacturer Part#: |
UCC2819APWR |
Price: | $ 0.99 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC PFC CTRL AVERAGE CURR 16TSSOP |
More Detail: | PFC IC Average Current 250kHz 16-TSSOP |
DataSheet: | ![]() |
Quantity: | 1000 |
2000 +: | $ 0.90326 |
6000 +: | $ 0.86930 |
Specifications
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Mode: | Average Current |
Frequency - Switching: | 250kHz |
Current - Startup: | 150µA |
Voltage - Supply: | 10.8 V ~ 17 V |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 16-TSSOP (0.173", 4.40mm Width) |
Supplier Device Package: | 16-TSSOP |
Base Part Number: | UCC2819A |
Description
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<p>Power Factor Correction (PFC) has become increasingly important in today\'s world of power electronics. With the introduction of high-power systems in a variety of applications such as high efficiency lighting and renewable energy systems, controlling the power delivered to the load is paramount. </p><p>The UCC2819APWR is a high performance and efficient power factor correction IC designed to provide superior power efficiency and superior power factor over both AC and DC applications. Utilizing the company\'s Floating Gate PFC technology, the UCC2819APWR provides excellent power factor (PF) and high power factor over a wide line range. The chip is capable of delivering up to 12 Amps of peak current and is suitable for use in low power home and industrial applications. </p><p>The UCC2819APWR PFC IC operates in both continuous conduction mode (CCM) and discontinuous conduction mode (DCM). When operating in continuous conduction mode, power is delivered to the load with minimum power losses. In discontinuous conduction mode, power delivery is reduced as the load varies and is regulated by the internal control loop. The chip features a fixed frequency operation and offers an adjustable frequency for fixed frequency control. Additionally, it features an input current limit of up to 12 A and an adjustable output voltage of up to 18 V. </p><p>The UCC2819APWR also features an internal error amplifier and a precision reference voltage regulator. The onboard reference voltage regulator is designed to provide stable and accurate output voltage under varying loading and line conditions. The chip also features an integrated overtemperature protection for enhanced safety. </p><p>The chip\'s working principle is based on a control loop. When a load is applied, the control loop begins to sense the power needs of the load and adjusts the switching frequency to ensure that the output current is maintained at the predetermined level. An onboard error amplifier compares the output voltage with the reference voltage and adjusts the switching frequency accordingly. The switching frequency is then adjusted to meet the power requirements of the load. Once the output voltage is within the safety zone, the control loop will stop and the power is delivered to the load. </p><p>The UCC2819APWR is designed to be used in a wide range of applications including lighting, audio, robotic and automation, and renewable energy systems. With its high efficiency and excellent power factor, the UCC2819APWR is ideal for use in applications where the input voltage is low and the output power is relatively low. Additionally, the power factor correction IC can be used in applications where the input voltage is high and the output power is relatively high as well. In all cases, the chip provides superior power factor and efficiency over both AC and DC applications. </p>The specific data is subject to PDF, and the above content is for reference
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