Used to stabilize the output voltage/current loop.
Protects the circuit if the LED string is disconnected. COMP: Compensation pin for loop stability. Common Applications sn51dp datasheet
The SN51DP is a staple in the repair of from brands like Arielli, Crown, and Felix, particularly those using the TP.S506.PB801 or TP.V56.PB801 main boards. SN51DP - Original Electronic Components for PCB & BOM Used to stabilize the output voltage/current loop
Output to drive the external MOSFET for the boost converter. sn51dp datasheet
Input for PWM or analog dimming signals to control brightness.