Datasheet

P − OutputPower − W
O
Efficiency
%
-
80
10
100
30
0
40
60
20
50
70
90
12
0 1 2 3 4 5 6 7 8 9
10 11
R =8 (SE)
Gain=20dB
L
W
12V
18V
24V
P − OutputPower − W
O
I
SupplyCurrent
A
C
C
12 32
1.6
40
0.2
2
0.6
18V
0
0.8
1.2
0.4
1
1.4
1.8
40 8 16 20 24 28 36
R =4 (SE)
Gain=20dB
L
W
24V
12V
-120
20 100
1k
20k
f − Frequency − Hz
PowerSupplyRejectionRatio
dB
-
10k
-110
-100
-90
-80
-70
-50
0
V =24V
V =0.2V
R =4 (SE)
Gain=20dB
CC
O(ripple) PP
L
W
-40
-30
-20
-10
-60
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25
P -OutputPower-W
O
I -SupplyCurrent- A
CC
12V
18V
24V
R =8 ,
Gain=20dB
L
W
TPA3123D2
www.ti.com
SLOS541C JULY 2007REVISED AUGUST 2010
TYPICAL CHARACTERISTICS (continued)
All tests are made at frequency = 1 kHz unless otherwise noted.
EFFICIENCY SUPPLY CURRENT
vs vs
OUTPUT POWER OUTPUT POWER
Figure 13. Figure 14.
SUPPLY CURRENT POWER SUPPLY REJECTION RATIO
vs vs
OUTPUT POWER FREQUENCY
Figure 15. Figure 16.
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