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Description: ? NOTE: step-down mode, Inputs must be higher than the output above 2V-3V.
Instructions: ? IN+: Positive electrode of power supply IN-: Negative electrode of power supply. LED+: Anode for LED? LED-: Cathode connected to LED PWM: Dimming control signal (2.8V-6V) PWM signal limit frequency: 20HZ-20KHZ Rated recommendations: About 1KHZ