TDA2004R 데이터 시트보기 (PDF) - STMicroelectronics
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TDA2004R Datasheet PDF : 17 Pages
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TDA2004R
Electrical specifications
Figure 16. Total power dissipation and
Figure 17.
efficiency vs. output power (RL = 2 )
Ptot
η
Ptot
(W)
(%)
(W)
Total power dissipation and efficiency
vs. output power (RL = 3.2 )
η
(%)
12
10
Ptot
η
8
6
4
2
60
40
Vs = 14.4 V
RL = 4 Ω
f = 1 kHz
Gv = 50 dB
20
6
Ptot
η
4
2
60
40
Vs = 13.2 V
RL = 3.2 Ω
f = 1 kHz
Gv = 50 dB
20
4
8
12 16 20 24
Po (W)
Figure 18. Maximum allowable power dissipa-
tion vs. ambient temperature
Ptot
(W)
32
28
24
20
16
12
8
4
0
-50
R
R
th
=
th =
4˚C/W
2˚C/W
Rth = 8˚C/W
0
50
100 Tamb (˚C)
2
4
6
8 10 12
Po (W)
Doc ID 17614 Rev 2
11/17
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