TRIAC dimming, high power factor (0.9) 7.4W output LED driver with LNK403EG design

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Summary:

This document describes a non-isolated high power factor (PF) TRIAC dimmable LED driver design. The voltage used to drive the LED string is 66V, and the input voltage range from 176 VAC to 265 VAC is 110 mA. This LED driver is designed using the LinkSwitch-PH series device LNK403EG.

This document includes power specifications, circuit diagrams, bill of materials, transformer documentation, printed circuit board layout, and performance data.

TRIAC dimming 7.4W output LED driver PCB physical map

TRIAC dimming 7.4W output LED driver circuit diagram

TRIAC dimming 7.4W output LED driver PCB layout

See the uploading documentation for details (click to download)

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Suzhou Whaylan new energy technology co., Ltd. is located in Suzhou Wuzhong Economic Development zone. It is a new energy conversion electric power equipment, energy storage transformation, energy management, on the basis of independent research and development, production, sales and after-sales service in the integration of high-tech enterprises, business scope covers from grid photovoltaic inverter, energy storage system, off-grid power generation systems and other fields.

Whaylan always adhere to the concept of "innovation drives development, science and technology leads the future", product research and development is quality-oriented, efficient-based, safety-oriented as the principle, the establishment of a strong, experienced R & D team, the company has been rated as science and technology small and medium-sized enterprises, specialized new enterprises, high-tech enterprises.

Since its establishment, the company has always adhered to the original intention of "let the whole world use clean energy", deeply plough into the field of power, electronic and electric energy transformation, and is committed to providing smart energy management and other overall solutions for families, industrial and commercial users and ground power stations with innovative technology, excellent products and professional services.

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