Power Integrations rolls reference design for PAR38 LED spotlight
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eeNews Europe
DER-350 includes an isolated, high-power-factor, TRIAC-dimmable LED driver optimized to deliver an LED current of 550 mA at 36 V (nominal) from an input voltage range of 90 VAC to 132 VAC. The combined PFC and CC single-stage, isolated topology of the LYTSwitchTM-4 IC delivers excellent efficiency, power factor of 0.98, and low component count. Over-voltage, overcurrent and over-temperature protection features are built-in.
DER-350 also showcases the LYTSwitch-4 IC’s TRIAC dimming with fast sub-200 ms start-up, reduced pop-on and no dead-travel, satisfying NEMA dimming curve requirements, for both leading-edge and trailing-edge dimmers.
DER-350 can be downloaded at: https://www.powerint.com/sites/default/files/PDFFiles/der350.pdf.
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