Must be connected to the ground plane to manage heat dissipation.
Serial data input, clock, and latch terminals for digital control. lad402p schematic top
It acts as a multi-channel sink driver, often featuring shift registers and data latches to manage individual LED channels. Must be connected to the ground plane to
Most variants include thermal shutdown and open/short circuit detection to prevent damage from junction temperature spikes or wiring failures. Schematic Top: Architectural Overview lad402p schematic top