參數(shù)資料
型號(hào): 110IMY35-15-15-8IZ
廠商: POWER-ONE INC
元件分類: 電源模塊
英文描述: 2-OUTPUT 35 W DC-DC REG PWR SUPPLY MODULE
文件頁(yè)數(shù): 6/15頁(yè)
文件大小: 355K
代理商: 110IMY35-15-15-8IZ
Board Mountable
DC-DC Converters
IMY 35 Series
Edition 2/5.2000
14/15
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 the 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 series or +/– configuration) of 42 V.
However, it is the sole responsibility of the installer to en-
sure the compliance with the relevant and applicable safety
regulations. More information is given in:
Technical Infor-
mation: Safety.
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.
AC-DC
front
end
DC-DC
con-
verter
Mains
Fuse
Battery
Earth
connection
Suppressor
diode
SELV
Earth
connection
+
~
10004
Fig. 20
Schematic safety concept. Use fuse, suppressor diode
and earth connection as per table: Safety concept leading
to an SELV output circuit
.
Table 18: Insulation concept leading to an SELV output circuit
Conditions
Front end
DC-DC converter
Result
Supply
Minimum required grade
Maximum
Minimum required
Type
Measures to achieve the
Safety status of
voltage
of isolation, to be provided DC output
safety status of the
specified safety status of
the DC-DC
by the AC-DC front end,
voltage
front end output
the output circuit
converter output
including mains supplied
from the
circuit
battery charger
front end 1
Mains
Operational (i.e. there is
≤150 V
Primary
IMY 35
Double or reinforced
SELV circuit
≤150 V AC no need for electrical iso-
insulation, based on
lation between the mains
150 V AC and DC (pro-
supply voltage and the
vided by the DC-DC
DC-DC converter input
converter)
voltage)
Mains
Basic
≤60 V
Earthed SELV circuit 2 IMY 35
Operational insulation
≤250 V AC
(provided by the DC-DC
converter)
≤150 V
IMY 35
Supplementary insulation
SELV circuit
based on 250 V AC and
double or reinforced
insulation, based on the
maximum rated output
voltage from the front end
(provided by the DC-DC
converter)
Double or reinforced
≤60 V
SELV circuit
IMY 35
Operational insulation
(provided by the DC-DC
converter)
≤120 V
TNV-2 circuit
IMY 35
Double or reinforced
≤150 V
Double or reinforced
insulation, based on the
insulated earthed or
maximum rated output
unearthed hazardous
voltage from the front end
voltage secondary
(provided by the DC-DC
circuit
converter)
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