Texas Instruments AN-1922 LM48511, Руководство пользователя, Страница: 8 / 15

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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