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參數(shù)資料
| 型號(hào)： | LOS1601-2 |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 15 W AC-DC REG PWR SUPPLY MODULE |
| 文件頁(yè)數(shù)： | 4/7頁(yè) |
| 文件大?。?/td> | 270K |
| 代理商： | LOS1601-2 |
DIN-Rail Mountable
AC-DC Converters
O Series
Edition 3/4.2000
4/7
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, but especially in mobile applications. The O series
has been successfully tested to the following specifications:
Table 5: Immunity type tests
Phenomenon
Standard
Class
Coupling
Value
Waveform
Source
Test
In
Per-
Level
mode 2
applied
Imped.
procedure
oper. form.1
Electrostatic
IEC/EN
4
air discharge
8 kVp
1/50 ns
330
10 positive and
yes
B
discharge
61000-4-2
10 negative
discharges
Electrical fast
IEC/EN
3
direct coupling
2000 Vp
bursts of 5/50 ns
50
1 min positive
yes
B
transient/burst
61000-4-4
i/o, +i/–i
5 kHz over
1 min negative
15 ms; burst
transients per
period: 300 ms
coupling mode
Surge
IEC/EN
3
i/o, +i/–i
2000 Vp
1.2/50
s2
5 pos. and 5 neg.
yes
B
61000-4-5
12
surges per
coupling mode
1 Normal operation, no deviation from specifications
2 i = input, o = output
Trim
Vo+
Vo–
Rext 1
05165
Trim
Vo+
Vo–
Rext 2
Auxiliary Functions
Output Voltage Adjustment
The output voltage may be adjusted within
±10% of U
o nom
by means of an external potentiometer or fixed resistor (for
samples see table). If the output voltage setting should be
excessively high, the overvoltage protection circuit may
shut-down the output.
Fig. 3
Output voltage adjustment for single output types
Table 4: Typical resistor values for various output voltage
adjustment settings.
Type
Rext 1 (Vo+)
Rext 2 (Vo–)
Uo –5%
Uo –10%
Uo +5%
Uo +10%
LOS 1601-2
137 k
60 k
9.2 k
630
LOR 1601-2
137 k
60 k
9.9 k
730
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.
Output Overload Protection
An overload protection is provided by a current limiting de-
vice using a foldback characteristic. After removal of over-
load or short circuit the unit will resume normal operation
automatically.
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