Datasheet

0 0.5 1 1.5
P -OutputPower-W
O
0
10
20
30
40
50
60
70
80
90
Efficiency-%
V =4.2V,
R =4 ,33 H
DD
L
W m
0
10
20
30
40
50
60
70
80
90
100
0 0.1 0.2 0.3 0.4 0.5 0.6
P
O
-OutputPower-W
Efficiency-%
V
DD
=3.6
R
L
=32 ,33 HW m
R
L
=16 ,33 HW m
R
L
=8 ,33 HW m
Class-AB,
R
L
=8 Ω
0
50
100
150
200
250
300
0 0.2 0.4 0.6 0.8 1 1.2
P
O
- Output Power - W
V
DD
= 2.5 V,
R
L
= 8 , 33 µH
V
DD
= 3.6 V,
R
L
= 8 , 33 µH
V
DD
= 5 V,
R
L
= 8 , 33 µH
Supply Current - mA
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
-PowerDissipation-WP
D
P
O
-OutputPower-W
Class-AB,V
DD
=5V,R
L
=8 W
Class-AB,
V
DD
=3.6V,
R
L
=8 W
V
DD
=3.6V,
R
L
=8 W, 33 mH
V
DD
=5V,
R
L
=8 W, 33 mH
V =4.2V,
R =4 ,33 Hm
DD
L
W
0
50
100
150
200
250
0 0.1 0.2 0.3 0.4 0.5 0.6
R
L
= 8 , 33 µH
V
DD
= 3.6 V
R
L
= 32 , 33 µH
Supply Current - mA
P
O
- Output Power - W
2.5 3 3.5 4 4.5 5
V
DD
- Supply Voltage - V
- Output Power - WP
O
R
L
= 8
f = 1 kHz
Gain = 2 V/V
THD+N = 1%
THD+N = 10%
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
2
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
3.8
2.5 3 3.5 4 4.5 5 5.5
I
(Q)
− Quiescent Current − mA
V
DD
− Supply Voltage − V
No Load
R
L
= 8 , 33 µH
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
V
DD
= 2.5 V
V
DD
= 3.6 V
V
DD
= 5 V
Shutdown Voltage - V
- Shutdown Current -
I
(SD)
Aµ
TPA2005D1
SLOS369F JULY 2002 REVISED JULY 2008 ...............................................................................................................................................................
www.ti.com
EFFICIENCY EFFICIENCY EFFICIENCY
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.
QUIESCENT CURRENT SHUTDOWN CURRENT OUTPUT POWER
vs vs vs
SUPPLY VOLTAGE SHUTDOWN VOLTAGE SUPPLY VOLTAGE
Figure 7. Figure 8. Figure 9.
6 Submit Documentation Feedback Copyright © 2002 2008, Texas Instruments Incorporated
Product Folder Link(s): TPA2005D1