STK41322
Sample Application Circuit (Protection and Muting Circuit)
Heatsink Design
The total STK41322 device power dissipation for a con-
tinuous sine wave signal is shown in figures 1 and 2. The
maximum dissipation is 29.2W for RL=8Ω, and 42.8W for
RL=4Ω (2-channel simultaneous drive).
Figure 1. Pd – PO (RL=8Ω)
Figure 2. Pd – PO (RL=4Ω)
No.2668–7/8