STK400-070 Sanyo Semiconductor Corporation, STK400-070 Datasheet - Page 7

• Manufacturer Part Number: STK400-070
• Description: af Power Amplifier (40W+40W+40W)
• Manufacturer: Sanyo Semiconductor Corporation

Similarly, when STK400-070 V
from Figure 2:
From expression (1) : c-a < (125 50)/64
From expression (2) : c-a < (150 50)/64 1.7/6
Pd = 64W (for 1/10 P
Figure 1. Pd — P
THD — P
O
P
O
max = 4W)
< 1.17
< 1.27
— Vin
CC
O
= 24V and R
O
L
= 3 ,
STK400-070
Therefore, to satisfy both expressions, the required heat-
sink must have a thermal resistance less than 1.17 C/W.
This heatsink design example is based on a constant-volt-
age supply, and should be verified within your specific set
environment.
Figure 2. Pd — P
THD — P
P
O
— f
O
O
No. 4598—7/9