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参数资料
| 型号： | 5IMP1-05-7 |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 1 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | PLASTIC, DIP-24 |
| 文件页数： | 5/5页 |
| 文件大小： | 152K |
| 代理商： | 5IMP1-05-7 |
Board Mountable
DC-DC Converters
IMP 1 Series
Edition 5/5.2000
5/5
Table 7: Pin allocation
Pin
Single output unit
Dual output unit
1
Vi+
2Vi+
Vi+
10
-
COM
11
-
COM
12
Vo–
-
13
Vo+
Vo–
15
-
Vo+
23
Vi–
24
Vi–
be repeated in the field. Power-One will not honour any
guarantee claims resulting from electric strength field tests.
Table 6: Electric strength test voltages, clearance and
creepage distances
Characteristic
Input to
Unit
output
Electric strength
1.1
kVrms
test voltage 1 s
1.5
kV DC
Coupling capacitance
≈40
pF
Isulation resistance
>1000
M
at 500 V DC
Safety of operator accessible output circuit
If the output circuit of a DC-DC converter is operator acces-
sible, it shall be an SELV circuit according to IEC/EN 60950
related safety standards
The following table shows some possible installation con-
figurations, compliance with which causes the output circuit
of the DC-DC converter to be an SELV circuit according to
IEC/EN 60950 up to a configured output voltage (sum of
nominal voltages if in seriess or +/– configuration) of 30 V.
However, it is the sole responsibility of the installer to as-
sure the compliance with the relevant and applicable safety
regulations. More information is given in:
Technical Infor-
mation: Safety.
Table 8: Insulation concept leading to an SELV output circuit
Conditions Front end
DC-DC converter
Result
Supply
Minimum required grade
Maximum
Minimum required safety
Measures to achieve the
Safety status of
voltage
of isolation, to be provided DC output
status of the front end
specified safety status of the
the DC-DC
by the AC-DC front end,
voltage
output circuit
converter output
including mains supplied
from the
circuit
battery charger
front end 1
Mains
Basic
≤60 V
Earthed SELV circuit 2
Operational insulation, pro-
SELV circuit
≤250 V AC
vided by the DC-DC converter
ELV circuit
Input fuse 3 output suppressor
Earthed SELV
diodes 4, and earthed
circuit
output circuit 2
Double or reinforced
SELV circuit
Operational insulation, pro-
SELV circuit
vided by the DC-DC converter
1 The front end output voltage should match the specified input voltage range of the DC-DC converter.
2 The earth connection has to be provided by the installer according to the relevant safety standard, e.g. IEC/EN 60950.
3 The installer shall provide an approved fuse (type with the lowest rating suitable for the application) in a non-earthed input conductor
directly at the input of the DC-DC converter (see fig.:
Schematic safety concept). For UL’s purpose, the fuse needs to be UL-listed.
See also:
Input Fuse.
4 Each suppressor diode should be dimensioned in such a way, that in the case of an insulation fault the diode is able to limit the output
voltage to SELV (<60 V) until the input fuse blows (see fig.:
Schematic safety concept).
AC-DC
front
end
DC-DC
con-
verter
Mains
Fuse
Battery
Earth
connection
Suppressor
diode
SELV
Earth
connection
+
–
~
10004
Fig. 4
Schematic safety concept. Use fuse, suppressor diode
and earth connection as per table: Safety concept leading
to an SELV output circuit
.
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