Ming Wei said that the company's PLP-45, together with the existing PLP-30 (30W) and PLP-60 (60W), can provide a more complete power supply with different wattage requirements, which is convenient for LED system designers to choose. The PLP-45 provides an input range of 90 to 264 VAC, and because of the built-in active power factor correction (PFC) function, it can meet the Class C rating and PF 0.9 of the EU EN61000-3-2 for harmonic current requirements (at output load? 75) In the case of %, the requirements are in line with general lighting related applications.
In addition, Ming Wei also pointed out that in order to meet the power factor requirements of lighting specifications and to cater to the low-cost LED lighting/decorative lamp market, the line design uses a single-stage PFC architecture, which is to reduce costs and use the most economical way. Achieve high PF values.
In terms of work efficiency, the maximum working efficiency of PLP-45 can reach 89%, so it can work only at -30~+70°C with natural air cooling, which meets the high ambient temperature requirement in the closed operating environment of the lamp system. The output current can also be adjusted to 75~100% of the rated current through the built-in variable resistor, which increases the flexibility of the system design. Other features include short circuit protection, overload protection, and overvoltage protection. If the PLP series power supply is removed from the chassis and is designed with a miniaturized substrate (4"x2"), it is ideal for applications that do not require a power supply enclosure or are built into an LED luminaire system. Typical applications include general indoor LEDs. Lighting, LED decorative power supply, LED electronic signage, LED stage lights, etc.
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