
UCC28070APWR Integrated Circuits (ICs) |
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Allicdata Part #: | 296-41051-2-ND |
Manufacturer Part#: |
UCC28070APWR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC PFC CTRLR CCM 20TSSOP |
More Detail: | PFC IC Continuous Conduction (CCM) Adjustable 20-T... |
DataSheet: | ![]() |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Mode: | Continuous Conduction (CCM) |
Frequency - Switching: | Adjustable |
Current - Startup: | 20mA |
Voltage - Supply: | 11.2 V ~ 21 V |
Operating Temperature: | -40°C ~ 125°C |
Mounting Type: | Surface Mount |
Package / Case: | 20-TSSOP (0.173", 4.40mm Width) |
Supplier Device Package: | 20-TSSOP |
Base Part Number: | UCC28070A |
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UCC28070APWR is a high-voltage integrated circuit (HVIC). It can be used to improve the performance of the power factor correction (PFC) system. It provides an efficient and cost-effective way to enhance the power quality of AC power supplies. The UCC28070APWR has an integrated switching network, a low-side gate driver, and a PFC controller. This integrated circuit enables a single-stage PFC to be used for power factor correction and optimized efficiency. Its integrated design has several advantages over traditional PFC systems.
UCC28070APWR has multiple applications in the field of PFC. It can be used to increase the efficiency of the PFC system, making it more cost-effective. It is also suitable for applications where high-power is needed. The IC also offers a variety of monitoring functions, such as overload and short circuit protection, voltage and current limit, and power factor measurement. All of these features make the UCC28070APWR an ideal choice for applications which require reliable, efficient and cost-effective power quality.
The working principle of the UCC28070APWR is based on switch-mode power factor correction (SM-PFC). The device uses two power stages and two switching modules. The first stage of the SM-PFC consists of a synchronous rectifier and an inductor. The first stage converts the AC input voltage to a DC voltage, while the second stage converts the DC voltage to a regulated output voltage. The SM-PFC provides high power efficiency, reduced power dissipation, and effective power factor control.
The UCC28070APWR starts operating when it detects an input voltage. This voltage triggers a start-up circuit and activates the SM-PFC. The integrated circuit then controls the switching of the power stages and the power converter. The inductor also delivers power transferred and stored energy. The output voltage is then regulated by a feedback circuit.
Furthermore, the UCC28070APWR also offers a range of protection functions, such as an overvoltage protection, an undervoltage protection, an overload protection and a current limit protection. This makes the IC suitable for use in an industrial environment, where reliability and safety are important. The integrated circuit also contains a power-on reset and a thermal shut-off protection. All of these features make the UCC28070APWR an ideal choice for applications which require reliable, efficient and cost-effective power quality.
In summary, the UCC28070APWR is an integrated circuit specifically designed for applications requiring efficient, reliable and cost-effective power factor correction. It has a wide range of applications in the field of power supplies, and is suitable for a variety of industrial applications. Its integrated design enables a single-stage PFC to be used for power factor correction, with high power efficiency, reduced power dissipation and effective power factor control. The integrated circuit also offers several protection functions, such as an overvoltage protection, an undervoltage protection, an overload protection and a current limit protection, making it an ideal choice for applications requiring reliable, efficient and cost-effective power quality.
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