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參數(shù)資料
| 型號(hào)： | LGR2540-2 |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 25 W AC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 8/10頁 |
| 文件大?。?/td> | 230K |
| 代理商： | LGR2540-2 |
Board Mountable
AC-DC Converters
LHR, LGR Series
Edition 6/5.2000
7/10
Emission
Internal input filtering keeps the conducted noise of the
units within the frequency range of 10 kHz to 30 MHz be-
low level B according to EN 55011 and EN 55022 stand-
ards (CISPR 11/22 respectively).
Electromagnetic Compatibility (EMC)
Immunity
A metal oxide VDR together with an external input fuse
and the internal input filter form an effective protection
against high input transient voltages which typically occur
in most installations, but especially in mobile applications.
The HR/GR-series has been successfully tested to the fol-
lowing specifications:
Table 5: Immunity type tests
Phenomenon
Standard
Class
Coupling
Value
Waveform
Source
Test
In
Per-
Level
mode 3
applied
Imped.
procedure
oper. form.1
Electrostatic
IEC/EN
4
air discharge
15 kVp
1/50 ns
330
10 positive and
yes
A
discharge
61000-4-2
to case
10 negative
discharges
Electrical fast
IEC/EN
3
direct coupling
2000 Vp
bursts of 5/50 ns
50
1 min positive
yes
A
transient/burst
61000-4-4
+i/–i
5 kHz over
1 min negative
15 ms; burst
transients per
period: 300 ms
coupling mode
Surge
IEC/EN
3
+i /–i
2000 Vp
1.2/50
s2
5 pos. and 5 neg. yes 2
A
61000-4-5
surges per
coupling mode
1 Normal operation, no deviation from specifications
2 No load
3 i = input, o = output
90
80
70
60
50
40
30
20
10
0
0.01
0.05
0.1
0.5
1
2
5
10
20
30
u [dB
V]
[MHz]
0.02
07005
A
B
f
90
80
70
60
50
40
30
20
10
0
0.01
0.05
0.1
0.5
1
2
5
10
20
30
u [dB
V]
[MHz]
0.02
07006
A
B
f
Fig. 5
Typical disturbance voltage (quasi-peak) at the input accord-
ing to CISPR 11/22 and EN 55011/22, measured at Ui nom
and Io nom. e.g. LHR 2540-2, Ui = 230 V AC.
Fig. 6
Typical disturbance voltage (quasi-peak) at the input accord-
ing to CISPR 11/22 and EN 55011/22, measured at Ui nom
and Io nom. e.g. LHR 2020-2, Ui = 230 V AC.
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