参数资料
型号: LKP5660-7R
厂商: Power-One
文件页数: 6/29页
文件大小: 0K
描述: EURO-CASSETTE 250W 2X 24V
标准包装: 1
系列: *
K Series with PFC Data Sheet
150 – 280 Watt AC-DC Converters
I inr [A]
Power Factor and Harmonics
100
LKP
04054a
Power factor correction is achieved by controlling the input
current waveform synchronously with the input voltage
waveform. The power factor control is active under all
operating conditions.
LK
50
1.0
0.95
0.9
V i = 85 VAC
LK4501-pf
0
0.1
0.5
1 ms
0.85
V i = 230 VAC
Fig. 4
Theoretical worst case input inrush current versus
time at V i = 255 V, R ext = 0 for models without
0.8
0
0.2
0.4
0.6
0.8
I o /I o nom
option E
l i [A]
04002a
Fig. 6
Power factor versus output current (LK4501-7R)
1.0
LKP5660-pf
2
1
0
LK
LKP
0.95
0.9
V i = 187 VAC
V i = 230 VAC
50
100
150
200
250
VAC
0.85
Fig. 5
Input current versus input voltage at I o nom
0.8
0
0.2
0.4
0.6
0.8
I o / I o nom
Fig. 7
Power factor versus output current (LKP5660-7R)
The harmonic distortion is well below the limits specified
in IEC/EN 61000-3-2, class D; see fig. below:
4
mA/W
3.5
3
2.5
2
1.5
1
0.5
0
LKP-harm
3
5
7
9
11
13 Harm.
Fig. 8
Harmonic input currents at V i = 230 V, I o = I o nom for
LK4501-7R (left bars) and LKP5660-7R.
BCD20001-G Rev AC, 16-Dec-2010
Page 6 of 29
www.power-one.com
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