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参数资料
| 型号： | LOK1601-2 |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 48 W AC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 5/8页 |
| 文件大小： | 334K |
| 代理商： | LOK1601-2 |
Benign Environment
AC-DC Converters 100 Watt
OK Series
Edition 2/6.99
5/8
MELCHER
The Power Partners.
Electromagnetic Compatibility (EMC)
Immunity
A metal oxide VDR together with an internal input fuse and
input filter form an effective protection against high input
transient voltages which typically occur in most installa-
tions. The O family has been successfully tested to the fol-
lowing specifications:
Output Overload Protection
Battery charger versions LOK 1140-2R and LOK 1240-2R
have a rectangular current limitation which limits the output
current to within (1...1.3)
Io nom. The rectifier types LOK
1301-2 and LOK 1601-2 are protected against overload by
a current limiting device which shuts down the converter in
overload condition. It automatically restarts after removal of
the overload condition (hiccup mode).
Outputs Connected in Series
Two or more units supplying the same or different output
voltages may be connected in series. The value of the
maximum output current to be taken is defined by that unit
providing the lowest current limiting value. It should be as-
sured that the outputs do not feed backwards into each
other caused by their different rise/fall times at switch-on/off
cycles by adding reverse polarity diodes across each out-
put.
Table 5: Immunity type tests
Phenomenon
Standard 1
Level
Coupling
Value
Waveform
Source
Test
In
Per-
mode 2
applied
imped.
procedure
oper. form. 3
Electrostatic
IEC/EN
2
air discharge
8000 Vp
1/50 ns
330
10 positive and
yes
B
discharge
61000-4-2
10 negative
discharges
Electromagnetic
IEC/EN
2
antenna
3 V/m
AM 80%
n.a.
26…1000 MHz
yes
A
field
61000-4-3
1 kHz
Electrical fast
IEC/EN
3
direct, i/ , +i/–i2 kVp
bursts of 5/50 ns
50
1 min positive
yes
B
transient/burst
61000-4-4
2.5/5 kHz over
1 min negative
15 ms; burst
transients per
period: 300 ms
coupling mode
Surge
IEC/EN
3
i/
2 kVp
1.2/50
s
12
5 pos. and 5 neg.
yes
61000-4-5
2
+i/–i1 kVp
2
surges per
1 Related and previous standards are referenced in: Technical Information: Standards 2 i = input, o = output, c = case.
3 A = Normal operation, no deviation from specifications, B = Normal operation, temporary deviation from specs possible.
Parallel Operation
Only battery charger versions.
The outputs of several units of the battery charger types
with equal output voltage (e.g. several LOK 1240-2R) can
be put in parallel.
Option D
Output Voltage OK Signal
The D-output is referenced to Vo– and monitors the output
voltage
Uo. If Uo drops below Uot, the D-output will be disa-
bled (open-collector circuit). The circuitry works independ-
ently of the input voltage and can therefore be used as bat-
tery-low indicator.
Table 4:
Conditions
LOK 1301-2
LOK 1601-2
LOK 1140-2R
LOK 1240-2R
min
max
min
max
Unit
Uot
10.0
10.4
20.0
20.8
V
UD
Uo ≤ Uot
60
Uo > Uot
0.6
IoD < 50 mA
Emission
Internal input filtering keeps the conducted noise of the
units within the frequency range of 10 kHz to 30 MHz below
level B according to EN 55011 and EN 55022 standards
(CISPR 11/22 respectively).
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. LOK 1601-2, Ui = 230 V AC.
07113
EN 55022 A
EN 55022 B
90
80
70
60
50
40
30
20
10
0
0.01
0.05
0.1
0.5
1
2
5
10
20
30
[dB
V]
MHz
0.02
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