TDA2611 Philips Semiconductors, TDA2611 Datasheet - Page 4

• Manufacturer Part Number: TDA2611
• Description: 5 W audio power amplifier
• Manufacturer: Philips Semiconductors

Philips Semiconductors
HEATSINK EXAMPLE
Assume V
maximum dissipation is about 2,2 W).
The thermal resistance from junction to ambient can be expressed as:
Since R
November 1982
R
th j-a
5 W audio power amplifier
=
th j-tab
R
P
th j-tab
18 V; R
11 K/W and R
+
R
th tab-h
L
8 ; T
+
R
th tab-h
th h-a
amb
=
60 C maximum; T
150 60
--------------------- -
1 K/W, R
2 2
–
Fig.2 Power derating curves.
=
th h-a
41 K/W.
41
j
150 C (max. for a 4 W application into an 8
4
(11
1)
29 K/W.
Product specification
TDA2611A
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