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| 型號： | LM1901-7EPD0AHFU |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT AC-DC REG PWR SUPPLY MODULE |
| 封裝： | 168.50 X 111.20 MM, 38.70 MM HEIGHT, METAL, CASE M02, MODULE |
| 文件頁數(shù)： | 23/24頁 |
| 文件大?。?/td> | 536K |
| 代理商： | LM1901-7EPD0AHFU |
Rugged Environment
DC-DC Converters <100 W
M-Family
Edition 2/96 - Melcher AG
7 - 9
MELCHER
The Power Partners.
7.1
Electrical Output Data
General conditions
–
TA = 25 °C, unless TC is specified.
– Connector pins 2 and 23 interconnected,
Uo = Uo nom (option P), R input not connected.
Table 7: Output data
Output
Uo nom
5.1 V
12 V
15 V
24 V
48 V
Characteristics
Conditions
min typ max
Unit
Uo
Output voltage
Ui nom, Io nom 1
5.07
5.13 11.93
12.07 14.91
15.09 23.86
24.14 47.72
48.28
V
Uo L
Overvoltage prot.
I o nom
7.5
21
25
41
85
Io nom Output current
Ui min...Ui max
see tables 1 and 2
Io L
Output current
TC min...TC max
see fig. 4
limitation response
uo1/2/3 Output voltage noise Ui nom, Io nom 1
2
4
36
48
mVrms
uo1
Bandwidth =
15
30
25
50
35
70
40
80
50 100
mVpp
uo2/3
20 MHz
60 120
40
80
40
80
40
80
-
Uo U Static line regulation Ui min...Ui nom
±10 ±30
±12 ±50
±15 ±60
mV
Ui nom...Ui max
Io nom 1
U
o I
Static load regulation
Ui nom
6
25
1350
1760
3080
60 150
Io = Io nom...0 2
Uo Ic Static cross load
Ui nom
0
±15
0
±20
0
±30
0
±40
-
regulation 4
Io = Io nom...0 3
uo d
Dynamic load
Ui nom,
±220
±110
±150
±130
±150
regulation
I o =
td
Dynamic load regu-
1/ 0.33/1
I o nom 2
0.6
0.5
1
2
ms
lation time constant
fig. 5
uo dc
Dynamic cross load
Ui nom,
+10
+20
-
mV
regulation 4
Io =
-100
-75
-140
-200
-
tdc
Dynamic cross load
1/ 0.33/1
I o nom 3
0.05
0.2
0.5
1
-
ms
reg. time constant 4
fig. 5
0.5
0.3
0.7
2
-
αUo
Output voltage
TC min...TC max
±0.02
%/K
deviation versus
case temperature
±1.0
±2.4
±3.0
±4.8
±9.6
mV/K
1 With multiple output modules, the same condition for each output applies.
2 Condition for specified output. With multiple output modules, other output(s) loaded with constant current Io = Io nom.
3 Condition for non-specified output, individually tested, other output(s) loaded with constant current Io = Io nom.
4 Multiple output modules.
Output Protection
Each output is protected against overvoltages which could
occur due to a failure of the internal control circuit. Voltage
suppressor diodes (which under worst case condition may
become a short circuit) provide the required protection. The
suppressor diodes are not designed to withstand externally
applied overvoltages. Overload at any of the outputs will
cause a shut-down of all outputs. A red LED indicates the
overload condition of the respective output.
Parallel and Series Connection
Main outputs of equal nominal voltage can be connected in
parallel. It is important to assure that the main output of a
multiple output module is forced to supply a minimum cur-
rent of 0.1 A to enable correct operation of its own auxiliary
outputs.
In parallel operation, one or more of the main outputs may
operate continuously in current limit which will cause an in-
crease in case temperature. Consequently, a reduction of
the max. ambient temperature by 10 K is recommended.
Main or auxiliary outputs can be connected in series with
any other output of the same or another module. In series
connection, the maximum output current is limited by the
lowest current limit. Output ripple and regulation values are
added. Connection wiring should be kept as short as possi-
ble.
If output terminals are connected together in order to estab-
lish multi-voltage configurations, e.g. +5.1 V,
±12 V etc. the
common ground connecting point should be as close as
possible to the connector of the converter to avoid exces-
sive output ripple voltages.
Auxiliary outputs should never be connected in parallel!
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