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參數(shù)資料
| 型號(hào)： | LW30-01 |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 3-OUTPUT 31 W AC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 4/9頁 |
| 文件大小： | 373K |
| 代理商： | LW30-01 |
LW Series
AC-DC Converters <40 Watt
Benign Environment
Edition 4/4.99
4/9
MELCHER
The Power Partners.
Table 3b: Output data 30 W types
LW 30-01
LW 30-11
Characteristics
V1
V2
V3
V1
V2
V3
Unit
Uo nom
Output voltage
nom.
5
12
–12
5
15
–15
V
DUo
Voltage setting tolerance
±1
±4
±1
±4
±4%
Io set
set at a load of
1.85
0.5
1.85
0.5
A
Uo P
Overvoltage protection 3
yes
-
yes
-
Io
Output current
min.
1
0
1
0
A
typ.
3
1
0.3
3
0.8
0.2
max.
5
1.2
0.5
5
1.2
0.5
Io L
Output current limitation 2
105
%
Po tot
Rated output power
tot.
31
W
Po max
Max power/output
25
14
6
25
18
7.5
uo
Ripple-noise 1
max.
100
150
100
150
mVpp
DUo U
Line regulation
85...264 V
±2.0
±0.5
±2.0
±0.5
%
DUo I
Load regulation
0...100%
±2.0
±1.0
±0.5
±2.0
±1.0
±0.5
DUo t
Drift (t = 0.5...8 h)
typ.
0.3
aUo
Change in temp.
0...50
°C
±1
to r
Rise time 1
max.
100
ms
to h
Hold up time 1 100/200 V AC
10/20
h
Efficiency 1
typ.
65
%
1 At Ui rated and Io nom.
2 Operating at approx. 105% of rated power, constant current method, automatic recovery.
3 For V1 only, overall voltage cutoff, recovery at power on.
Input and Output Terminals
Table 4: Input and output terminals
Terminal
Function
Explanation
L
Line input
1. Connect to a sine wave 47...63 Hz, 85...264 V AC, single phase.
N
Neutral input
2. Use a double or triple core cable for the input line.
3. Space the AC input line as far as possible from the DC output line.
FG
Frame ground terminal
Connect with low impedance to ground line of equipment on which the power supply is mounted.
V1
Output Terminal 1
Stabilized output of 5 V DC
V2
Output Terminal 2
Stabilized output of 12 or 15 V DC
V3
Output Terminal 3
Stabilized output of –12 or –15 V DC
G1, G2
Ground Terminals
G1: ground terminal for V1, G2: ground terminal for V2 and V3.
G1 and G2 are internally interconnected.
Proper Method of Operation
To achieve the proper output voltage from each of the three
outputs, the individual load currents must remain within the
minimum-maximum ratings. If the load current can drop be-
low the minimum value specified, add a pre-load.
Output Current Limitation
Each output provides its own built-in current limitation at
approx. 105% of the rated currents. In case of overload, the
circuit limits the current. After removal of overload, the cir-
cuit automatically resets.
Inrush Current
All models feature inrush current limitation circuits by
means of power thermistors. Switching the AC input on/off
repeatedly in rapid succession (less than 2 minutes waiting
time) should be avoided. An appropriate AC switch for each
model based on its specifications should be provided.
Series or Parallel Connection
The outputs cannot be operated in series or parallel con-
nection with other type of sources.
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