Analog Devices SSM2319, Руководство пользователя, Страница: 11 / 21

SSM2319
Rev. 0 | Page 10 of 20
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4
0
10
20
30
40
50
60
70
80
90
100
V
DD
= 5V
R
L
= 3 Ω + 33µH
07
55
0-
0
21
OUTPUT POWER (W)
EF
F
IC
IEN
C
Y
(%
)
V
DD
= 3.6V
V
DD
= 2.5V
Figure 21. Efficiency vs. Output Power into R
L
= 3 Ω + 33 μH
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
07
55
0-
02
2
OUTPUT POWER (W)
P
O
W
E
R DI
S
S
IP
AT
IO
N (
W
)
V
DD
= 5V
V
DD
= 3.6V
V
DD
= 2.5V
R
L
= 8 Ω + 33µH
Figure 22. Power Dissipation vs. Output Power into R
L
= 8 Ω + 33 μH
0
0.05
0.10
0.15
0.20
0.25
0.30
0 0.5 1.0 1.5 2.0 2.5 3.0
07
55
0-
0
23
OUTPUT POWER (W)
P
O
W
E
R DI
S
S
IP
AT
IO
N (
W
)
V
DD
= 5V
V
DD
= 2.5V
V
DD
= 3.6V
R
L
= 4 Ω + 33µH
Figure 23. Power Dissipation vs. Output Power into R
L
= 4 Ω + 33 μH
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0 0.5 1.0 1.5 2.0 2.5 3.5 3.0
07
55
0-
0
24
OUTPUT POWER (W)
PO
W
E
R
D
ISSI
P
A
T
IO
N
(
W
)
V
DD
= 5V
V
DD
= 2.5V
V
DD
= 3.6V
R
L
= 3 Ω + 33µH
Figure 24. Power Dissipation vs. Output Power into R
L
= 3 Ω + 33 μH
0
50
100
150
200
250
300
350
400
450
0 0.5 1.0 1.5 2.0 2.5
07
55
0-
02
5
OUTPUT POWER (W)
S
UP
P
L
Y
CU
RRE
NT
(
m
A)
V
DD
= 5V
V
DD
= 2.5V
V
DD
= 3.6V
R
L
= 8 Ω + 33µH
Figure 25. Supply Current vs. Output Power into R
L
= 8 Ω + 33 μH
0
100
200
300
400
500
600
700
800
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
07
55
0-
02
6
OUTPUT POWER (W)
S
UP
P
L
Y
CURRE
NT
(
m
A
)
V
DD
= 5V
V
DD
= 2.5V
V
DD
= 3.6V
R
L
= 4 Ω + 33µH
Figure 26. Supply Current vs. Output Power into R
L
= 4 Ω + 33 μH