PO
W
ER
D
ISSI
PAT
IO
N
(
W
)
0
3.5
OUTPUT POWER (W)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.5
1.0
1.5
2.0
2.5
3.0
1.8
0
PO
W
ER
D
ISSI
PAT
IO
N
(
W
)
0
1.6
OUTPUT POWER (W)
0.4
0.6
0.8
1.0
1.2
1.4
0.5
0
0.2
0.4
0.3
0.2
0.1
11
5
2.5
6.0
3.0
3.5
4.0
4.5
5.0
5.5
6
7
8
9
10
SUPPLY VOLTAGE (V)
SU
PPL
Y
C
U
R
R
EN
T
(
mA)
SPREAD
SPECTRUM
FIXED FREQUENCY
PO
W
ER
D
ISSI
PAT
IO
N
(
W
)
0
4.0
OUTPUT POWER (W)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.5
1.0
1.5
2.0
2.5
3.0
3.5
1.8
0
Typical Performance Characteristics
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Power Dissipation vs Output Power
Supply Current vs Supply Voltage
V
DD
= 5V, R
L
= 8
Ω
PV
1
= 4.8V
PV
1
= 7.8V, FF
Power Dissipation vs Output Power
Power Dissipation vs Output Power
V
DD
= 3.6V, R
L
= 8
Ω
V
DD
= 3V, R
L
= 8
Ω
PV
1
= 7V, FF
PV
1
= 4.8V, FF
8
AN-1922 LM48511 Evaluation Board
SNAA064C – November 2008 – Revised May 2013
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