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Power LED's - Simplest Light With Constant-current Circuit : 9 Steps (with Pictures) - Instructables
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DER-429 - 18 to 25 W Isolated Flyback, Constant Current and Constant Voltage LED Driver | Power Integrations, Inc.
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Voltage regulator for linear constant-current (1.5A) LED driver? | Led drivers, Voltage regulator, Constant current
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