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DN84

ZXSC400 Driving 3W high power LEDs

Description

DN84 ZXSC400 Driving 3W high power LEDs Ray Liu, Applications Engineer, Zetex Semiconductors Description This design note shows the ZXSC400 driving a single 3W LED. The input voltage ranges from 1.8V to 3.6V with constant output current of 700mA down to 2.6V with an overall 80% of efficiency. Figure 1 shows typical constant current solution with ZXSC400 dri...


Zetex Semiconductors

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