Datasheet

P
O
− Output Power − W
η − Efficiency − %
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0
10
20
30
40
50
60
70
80
90
100
V
DD
= 2.5 V
V
DD
= 3.6 V
V
DD
= 5.0 V
R
L
= 8 Ω + 33 µH
P
O
− Output Power − W
η − Efficiency − %
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0
0
10
20
30
40
50
60
70
80
90
100
V
DD
= 2.5 V
V
DD
= 3.6 V
V
DD
= 5.0 V
R
L
= 4 Ω + 33 µH
P
O
− Output Power − W
P
D
− Power Dissipation − W
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0.0
0.1
0.2
0.3
0.4
0.5
R
L
= 8 Ω + 33 µH
R
L
= 4 Ω + 33 µH
V
DD
= 3.6 V
P
O
− Output Power − W
P
D
− Power Dissipation − W
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0
0.0
0.1
0.2
0.3
0.4
0.5
R
L
= 8 Ω + 33 µH
R
L
= 4 Ω + 33 µH
V
DD
= 5.0 V
P
O
− Output Power − W
I
DD
− Supply Current − A
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0
0
100m
200m
300m
400m
500m
600m
700m
800m
900m
V
DD
= 2.5 V
V
DD
= 3.6 V
V
DD
= 5.0 V
R
L
= 4 Ω + 33 µH
P
O
− Output Power − W
I
DD
− Supply Current − A
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0
100m
200m
300m
400m
500m
V
DD
= 2.5 V
V
DD
= 3.6 V
V
DD
= 5.0 V
R
L
= 8 Ω + 33 µH
TPA2039D1
SLOS652A –DECEMBER 2009–REVISED JUNE 2010 www.ti.com
TYPICAL CHARACTERISTICS
V
DD
= 3.6 V, C
I
= 0.1 mF, C
S1
= 0.1 mF, C
S2
= 10 mF, T
A
= 25°C, R
L
= 8 Ω (unless otherwise noted)
EFFICIENCY EFFICIENCY
vs OUTPUT POWER vs OUTPUT POWER
Figure 1. Figure 2.
POWER DISSIPATION POWER DISSIPATION
vs OUTPUT POWER vs OUTPUT POWER
Figure 3. Figure 4.
SUPPLY CURRENT SUPPLY CURRENT
vs OUTPUT POWER vs OUTPUT POWER
Figure 5. Figure 6.
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