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E0505D-2W Arkusz danych(PDF) 2 Page - MORNSUN Science& Technology Ltd.

Numer części E0505D-2W
Szczegółowy opis  DUAL/SINGLE OUTPUT DC-DC CONVERTER
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Producent  MORNSUN [MORNSUN Science& Technology Ltd.]
Strona internetowa  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

E0505D-2W Arkusz danych(HTML) 2 Page - MORNSUN Science& Technology Ltd.

  E0505D-2W Datasheet HTML 1Page - MORNSUN Science& Technology Ltd. E0505D-2W Datasheet HTML 2Page - MORNSUN Science& Technology Ltd. E0505D-2W Datasheet HTML 3Page - MORNSUN Science& Technology Ltd.  
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The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
E_D-2W & F_D-2W
A/2-2009
Page 2 of 3
ISOLATION SPECIFICATIONS
TYPICAL CHARACTERISTICS
Item
Test conditions
Min.
Typ.
Max.
Units
Isolation voltage
Tested for 1 minute and 1 mA max
3000
VDC
Isolation resistance
Test at 500VDC
1000
M
Ω
OUTPUT SPECIFICATIONS
Item
Test conditions
Min.
Typ.
Max.
Units
Output power
0.2
2
W
(3.3V output)
±1.5
Line regulation
For Vin change of
±1%
(Others output)
±1.2
(3.3V output)
12
20
(5V output)
10
15
(9V output)
8.3
10
(12V output)
6.8
10
Load regulation
10% to 100% load
(15V output)
6.3
10
%
Output voltage accuracy
See tolerance envelope graph
Temperature drift
100% full load
±0.03
%/
°C
Ripple& Noise*
20MHz Bandwidth
75
150
mVp-p
Switching frequency
Full load, nominal input
70
KHz
*Test ripple and noise by
“parallel cable” method. See detailed operation instructions at Testing of Power
Converter section, application notes.
Note: Dual output models unbalanced load:
±5%.
Operating Temp.( C)
o
APPLICATION NOTE
RECOMMENDED CIRCUIT
Requirement on output load
To ensure this module can operate efficiently and reliably, During operation, the minimum
output load is not less than 10% of the full load, and that this product should never be
operated under no load! If the actual output power is very small, please connect a resistor
with proper resistance at the output end in parallel to increase the load, or use our company
’s
products with a lower rated output power (E_D-1W/F_D-1W Series).
Recommended circuit
If you want to further decrease the input/output ripple, an
“LC” filtering network may be
connected to the input and output ends of the DC/DC converter, see (Figure 1).
It should also be noted that the inductance and the frequency of the
“LC” filtering network
should be staggered with the DC/DC frequency to avoid mutual interference. However, the
capacitance of the output filter capacitor must be proper. If the capacitance is too big, a
startup problem might arise. For every channel of output, provided the safe and reliable
operation is ensured, the recommended capacitance of its filter capacitor sees (Table 1).
Output Voltage Regulation and Over-voltage Protection Circuit
The simplest device for output voltage regulation, over-voltage and over-current protection
is a linear voltage regulator with overheat protection that is connected to the input or output
end in series (Figure 2).
Overload Protection
Under normal operating conditions, the output circuit of these products has no protection
against overload. The simplest method is to connect a self-recovery fuse in series at the
input end or add a circuit breaker to the circuit.
No parallel connection or plug and play
Vin
GND
+Vo
0V
DC
Cin
L
L
DC
L Cout
Cout
-Vo
Dua l O u tput
L
Sin gle O utput
Vin
GND
+Vo
0V
DC
Cin
L
DC
Cout
(Figure 1)
Vin
GND
0V
+Vo
DC
DC
-Vo
REG
REG
REG
D ua l Output
Sing le Output
Vin
GND
0V
+Vo
DC
DC
REG
REG
(Figure 2)
EXTERNAL CAPACITOR TABLE (TABLE 1)
Vin
(VDC)
Cin
(uF)
Single
Vout
(VDC)
Cout
(uF)
Dual
Vout
(VDC)
Cout
(uF)
5
4.7
3.3/5
10
±5
4.7
12
2.2
9
4.7
±9
2.2
24
1
12
2.2
±12
1
-
-
15
1
±15
1
It
’s not recommended to connect any external
capacitor in the application field with less than
0.5 watt output.


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