Philips TDA8950 Fig 20. Power dissipation as function of output power per channel, Fig 21. Efciency as function of output power per channel

TDA8950_1 © NXP B.V. 2008. All rights reserved.
Preliminary data sheet Rev. 01 — 9 September 2008 28 of 39
NXP Semiconductors TDA8950
2× 150 W class-D power amplifier
VP = ±35 V, fi = 1 kHz, fosc = 325 kHz
(1) 2 ×4Ω SE configuration
(2) 2 ×6Ω SE configuration
(3) 2 ×8Ω SE configuration
Fig 20. Power dissipation as function of output power per channel
VP = ±35 V, fi = 1 kHz, fosc = 325 kHz
(1) 2 ×4Ω SE configuration
(2) 2 ×6Ω SE configuration
(3) 2 ×8Ω SE configuration
Fig 21. Efficiency as function of output power per channel
Po (W)
0 120804020 10060
001aai705
20
10
30
40
P
(W)
0
25
15
35
5
(1)
(2)
(3)
Po (W)
0 120804020 10060
001aai706
40
20
100
η
(%)
0
60
80
(1) (2)
(3)