LS4301-7R POWER-ONE [Power-One], LS4301-7R Datasheet - Page 10

• Manufacturer Part Number: LS4301-7R
• Description: 100 Watt AC-DC Converters with PFC
• Manufacturer: POWER-ONE [Power-One]

Cassette Style
Edition 01/01.2001
Fig. 10
LS 5320: D U
Fig. 11
LS 5540: D U
Fig. 12
LS 5660: D U
Switching Frequency versus Load
Fig. 13
Switching frequency versus load. (The boost converter at
the input stage has a fixed frequency of 100 kHz)
[V] U
16.5
15.5
14.5
13.5
[V] U
27
26
25
24
23
22
21
12.5
12.0
11.5
10.5
80
70
60
50
40
30
20
10
16
15
14
Frequency [kHz]
[V] U
0
13
11
0
o2
0
o2
0
o2
0
0.2
0.2
0.2
o2
o2
o2
0.2
(typ.) vs. I
(typ.) vs. I
(typ.) vs. I
0.4
0.4
0.4
0.4
0.6
o2
o2
o2
0.6
0.6
with different I
with different I
with different I
0.8
0.6
0.8
0.8
1
0.8
05008
I
I
I
I
I
I
o1
o1
o1
o1
o1
o1
I
I
I
1.2
o1
o1
o1
o1
o1
o1
100 Watt AC-DC Converters
1
=100%
= 50%
= 10%
= 100%
= 50%
= 10%
1
= 100%
= 50%
= 10%
.
.
.
load [I
1
05083
05084
05085
I
I
o2
o2
I
o
o2
/I
/ I
/I
/I
o nom
o2 nom
o2 nom
o2 nom
]
I
I
Dynamic Load Regulation
Fig. 14
Typical dynamic load regulation of U
Hold-up Time versus Output Power
Fig. 15
Hold-up time t
Efficiency versus Load
Fig. 16
Efficiency versus load at U
o1
o2
Efficiency
0.90
0.80
0.70
0.60
0.50
0.40
0.30
180
160
140
120
100
/ I
/ I
time [ms]
80
60
40
20
o1 nom
o2 nom
0
0
U
0
U
0.5
o1
o2
1
0
U
U
0.2
<10 s
0.2
h
o1d
o2d
versus output power.
0.4
0.4
t
d
i
; 230 V AC and 85 V AC
0.6
0.6
U
U
U
U
r
o1d
i
i
= 230 V AC
= 85 V AC
o1
0.8
0.8
and U
<10 s
S Series PFC
05014
05013
t
o2
d
.
1
1
I
I
o
o
/I
/ I
o nom
o nom
10/27
U
05005
r
t
t
t