Datasheet

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0
0.2
0.4
0.6
0.8
1
1.2
1.4
0 0.5 1 1.5 2 2.5 3
P -OutputPower-W
O
P -PowerDissipation-W
D
V =5V,R =4
DD L
W
Class AB4 W
Class AB8 W
V =5V,R =8
DD L
W
0
10
20
30
40
50
60
70
80
90
100
0 0.2 0.4 0.6 0.8 1 1.2 1.4
P -OutputPower-W
O
Efficiency-%
R =8
L
W, 33 μH
V =5V
DD
V =2.5V
DD
V =3.6V
DD
Class AB
0
10
20
30
40
50
60
70
80
90
0
0.5
1
1.5 2
2.5
P -OutputPower-W
O
Efficiency-%
V =2.5V
DD
V =3.6V
DD
V =5V
DD
Class AB
R =4
L
W, 33 μH
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
PO-OutputPower-W
P -PowerDissipation-W
D
V =3.6V,R =4
DD L
W
V =3.6V,R =8
DD L
W
Class AB,4 W
Class AB,8 W
650
600
550
500
450
400
350
300
250
200
150
100
0
V =3.6V
DD
V =2.5V
DD
V =5V
DD
0 0.5 1 1.5 32.52
P -OutputPower-W
O
I -SupplyCurrent-mA
DD
R =4 ,33 μH
L
W
50
360
320
280
240
200
160
120
80
40
0
V =3.6V
DD
V =2.5V
DD
V =5V
DD
P -OutputPower-W
O
I -SupplyCurrent-mA
DD
R =8 ,33 μH
L
W
0 0.25 0.5 0.75 1 1.25 1.5 1.75
3.6
3.2
2.8
2.4
2
1.6
1.2
0.4
0
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
V =2.5V
DD
V =5V
DD
V =3.6V
DD
I -SupplyCurrent-mA
DD
ShutdownVoltage-V
R =NoLoad
L
0.8
2
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
2.5 3
3.5 4
4.5
5
5.5
V -SupplyVoltage-V
DD
I -SupplyCurrent-mA
DD
R =8 ,33 H
L
W m
R =8
L
W
NoLoad
P -OutputPower-W
O
0
0.5
1
1.5
2
2.5
3
3.5
4 9 14 19 24 29
R -LoadResistance-
L
W
V =3.6V,10%
DD
V =2.5V,10%
DD
V =5V,10%
DD
TPA2032D1
TPA2033D1
TPA2034D1
SLOS476 – JUNE 2006
EFFICIENCY EFFICIENCY POWER DISSIPATION
vs vs vs
OUTPUT POWER OUTPUT POWER OUTPUT POWER
Figure 1. Figure 2. Figure 3.
POWER DISSIPATION SUPPLY CURRENT SUPPLY CURRENT
vs vs vs
OUTPUT POWER OUTPUT POWER OUTPUT POWER
Figure 4. Figure 5. Figure 6.
SUPPLY CURRENT SHUTDOWN CURRENT OUTPUT POWER
vs vs vs
SUPPLY VOLTAGE SHUTDOWN VOLTAGE LOAD RESISTANCE
Figure 7. Figure 8. Figure 9.
6
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