Power Integrations claims industry’s first LED-driver design for replacement of 100 W A19 incandescent bulbs

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By eeNews Europe

The LED driver utilizes the low-profile LNK460VG from the LinkSwitch-PL family of ICs from Power Integrations.       

DER-322 fits neatly inside the A19 form factor, is EN61000-3-2 C (D) compliant and easily passes THD limits. With a PF above 0.95, it suits commercial as well as consumer applications. With PFC and CC conversion combined into a single switching stage, the design has a very low component count, which enables miniaturization, lowers cost and increases reliability. It also eliminates short-lived electrolytic input bulk capacitors.      

Suitable for an A19 incandescent bulb replacement-driver but also reconfigurable as a T8 tube replacement driver, DER-322 is of interest to designers of both high-end LED lighting and those working on cost optimization of bulbs for retail sale. The reference design may be easily modified to support TRIAC dimming.      

More information about the DER-322 LED driver at


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