3pcs CA-255 10-42Inch LED TV Constant Current Board Universal Inverte LED TV Backlight Driver Board

Specification Input Vol 10 8 28VOutput Vol 15 88vsize 8 5x4 5CM 1 VCC power supply and voltage positive circuit voltage The voltage is usually 12V or 24V 2 ON OFF ON EN ON BL etc switch foot foot switch signal The voltage range is between 2 5V 5V 3 PWM PDIM VDAJ BL PWM et al brightness adjustable feet Dimming have two modes one is in digital mode PWM one is analog dimming DC4 The PWM is called pulse width adjustment which generates a rectangular square wave signal the frequency is generally 200HZ 2KHZ the voltage amplitude is generally 3 3V PDIM English shorthand Dim meansbrightness The Analog dimming is by the DC voltage it isusually transferred directly to the foot which provide 0V 5V DC voltage to control the brightness 5 GND ground negative LED light emitting diode LED strip PositiveLED light emitting diode LED strip Negative Package Included 3 x CA 255 10 42Inch LED TV Constant Current Drive Board