EUA2005
Typical Operating Characteristics
EFFICIENCY vs OUTPUT POWER
100
90
POWER DISSIPATION vs OUTPUT POWER
0.7
0.6
80
P
D
- Power Dissipation - W
70
0.5
Efficiency - %
60
50
40
30
20
10
0
0.0
V
DD
=2.5V,
RL= 8 ohm + 33uH
V
DD
=5V,
RL=8 ohm+33uH
V
DD
=3.6V,
RL=8 ohm + 33uH
0.4
0.3
0.2
V
DD
=3.6V, RL=8 ohm
0.1
V
DD
=5V, RL=8 ohm
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
P
O
- Output Power - W
P
O
- Output Power - W
Figure2.
SUPPLY CURRENT vs OUTPUT POWER
250
Figure3.
SUPPLY CURRENT vs SUPPLY VOLTAGE
5.0
RL= 8 ohm, 33uH
200
VDD=5V
4.5
I
DD
- Supply Current - mA
I
DD
- Supply Current -mA
VDD=3.6V
150
4.0
RL=8 ohm,(resistive)
VDD=2.5V
3.5
100
3.0
2.5
50
RL=8 ohm, 33uH
NO Load
2.0
0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
P
O
- Output Power - W
V
DD
- Supply Voltage -V
Figure4.
SHUTDOWN CURRENT vs SHUTDOWN VOLTAGE
2.0
3.0
Figure5.
OUTPUT POWER vs LOAD RESISTANCE
P
O
at 10% THD
Gain=2 V/V
F=1KHz
2.5
V
DD
=5V
I
(SD)
-Shutdown Current - uA
1.5
P
O
- Output Power - W
2.0
V
DD
=3.6V
1.5
1.0
V
DD
=5V
V
DD
=3.6V
0.5
V
DD
=2.5V
1.0
V
DD
=2.5V
0.5
0.0
0.0
0.1
0.2
0.3
0.4
0.5
0.0
8
12
16
20
24
28
32
Shutdown Voltage -V
RL - Load Resistance - ohm
Figure6.
DS2005 Ver 1.1 Nov. 2006
Figure7.
6
ETC [ ETC ]
