Figure 5. Power distribution of the LED Driver.
(a) With traditional ultrafast recovery diode. (b) With diode-connected GaN power transistor. “PLED” denotes “power dissipation of LED string”. “PIC” denotes “power dissipation of integrated circuit”. “PMOS” denotes “power dissipation of MOS”. “PD” denotes “Power dissipation of diode”.