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The board is a 35 W, wide-range mains input, power factor corrected SMPS (switched mode power supply) suitable for all low power applications requiring a high PF (power factor), such as lighting applications and power supplies for LEDs. The low-cost L6562A and the simple flyback topology combine to provide a very competitive PFC controller solution.
The L4981 integrated circuit is a continous mode average current controller with several specific functions for active power factor correction. It can operate in high quality, medium/high power conversion range and provides all the necessary features to achieve a very high power factor, up to 0.99. Thanks to the BCD technology used, operative switching frequency higher than 200kHz can be used.
The UCC28063 is a dual-phase, transition-mode Power Factor Correction (PFC) pre-regulator. The UCC28063EVM-723 is an evaluation module (EVM) with a 390-V, 300-W, dc output that operates from a universal input of 85 VRMS to 265 VRMS and provides power-factor correction.
The UCC28019 evaluation module (EVM) is a 350-W off-line Power Factor Correction (PFC) boost converter providing a 390-V regulated output at 0.9 A of load current. The PFC converter accommodates an input voltage range of 85 VAC to 265 VAC and uses average current mode control at a fixed frequency of 65 kHz. The UCC28019 incorporates a wide range of protection features to ensure safe system operati…
L6563 is a current-mode PFC controller operating in Transition Mode (TM). Based on the core of a standard TM PFC controller, it offers improved performance and additional functions, such as active tracking boost function. In some applications it may be advantageous to regulate the output voltage of the PFC pre-regulator so that it tracks the RMS input voltage rather than at a fixed value like in …
This evaluation board features the ADP1048 in a typical AC/DC switching power supply in an interleaved boost power factor correction (PFC) topology. The circuit is designed to provide a rated load of 385V/600W from an AC input voltage source of 85 to 265 VRMS AC.
This evaluation board features the ADP1047 in a typical AC/DC switching power supply in a boost power factor correction (PFC) topology. The circuit is designed to provide a rated load of 385V/300W from an AC input voltage source of 85 VRMS to 265 VRMS AC. The ADP1047 provides functions all the functions necessary for active PFC circuit plus accurate AC power metering. It achieves near-unity power…
The TDTTP4000W066B 4kW bridgeless totem-pole power factor correction (PFC) evaluation board achieves very high efficiency single-phase AC-DC conversion. Using GaN FETs in the fast-switching leg of the circuit and low-resistance MOSFETs in the slow-switching leg of the circuit results in improved performance and efficiency.
Interleaved PFC is an emerging solution that becomes particularly popular in applications where a strict form factor has to be met like for instance, in slim notebook adapters or in LCD TVs. Interleaving consists in paralleling two “small” stages in lieu of a bigger one, which may be more difficult to design.
The UCC28060 is a dual-phase, transition-mode Power Factor Correction (PFC) pre-regulator. The UCC28060EVM is an evaluation module (EVM) with a 390-V, 300-W, dc output that operates from a universal input of 85 VRMS to 265 VRMS and provides power-factor correction.
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