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参数资料
| 型号： | DSR2015-7IP |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 20 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 2/11页 |
| 文件大小： | 394K |
| 代理商： | DSR2015-7IP |
SR Series
DC-DC Converters <40 Watt
Industrial Environment
Edition 4/6.99
10/11
MELCHER
The Power Partners.
Description of Options
-6 Hermetic semiconductor
The converters are equipped with hermetic semiconduc-
tors instead of the standard plastic ones as far as such
components are electrically and mechanically compatible.
P Potentiometer
The potentiometer provides an output voltage adjustment
range of
±5% from the nominal output voltage U
o nom and is
accessible from the connector side. This option can be
used, for example, to compensate for voltage drops in the
supply lines.
R Shifted input voltage range
Option R allows the operation of BSR and CSR converter
series from either 24 or 48 V input voltages. The input volt-
age tolerance is –30...25% as required by IEC 571:
Rules
for Electronic Equipment used on Rail Vehicles.
2.5
0
10
15
30
35
20
25
40
1.5
2.0
1.0
0.5
Ii [A]
Ui [V]
Ui max = 38 V DC
Ui min = 16 V DC
Io/Io nom
Io = 1/2 Io nom
Io = 0
BSR with option R
11033
600
400
200
0
20
30
60
70
40
50
80
1000
800
Ui [V]
Ii [mA]
Ui max = 72 V
Ui min = 38 V
Io/Io nom
Io = 1/2 Io nom
Io = 0
CSR with option R
11034
Fig. 11
Input current Ii versus input voltage Ui
Fig. 12
Input current Ii versus input voltage Ui
i Inhibit
The DC-DC converter can be switched on or off with a con-
trol signal via the inhibit input i. In systems with several
units, this feature can be used, for example, to control the
activation sequence of the units with a logic signal (TTL, C-
MOS, etc.).
Note: A non-used inhibit input should be connected to the
negative output to enable the unit.
Vi+
Vi–
Vo–
i
Vo+
Iinh
Uinh
06031
Fig. 14
Definitions of Iinh and Uinh
6
4
2
0
–2
–50 –40
20
40
–30
0
60
–20 –10
10
30
50
Uinh [V]
Iinh [A]
Uinh = 0.8 V Uinh = 2.4 V
Uo on
Uo off
11035
0
t
0
Inhibit
1
0.1
1
Uo/Uo nom
tr
tf
06001
Fig. 13
Output response as a function of inhibit signal
Fig. 15
Inhibit current Iinh versus inhibit voltage Uinh
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