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F0509S-1WR Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd.

Part # F0509S-1WR
Description  DUAL/SINGLE OUTPUT DC-DC CONVERTER
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Manufacturer  MORNSUN [MORNSUN Science& Technology Ltd.]
Direct Link  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

F0509S-1WR Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd.

  F0509S-1WR Datasheet HTML 1Page - MORNSUN Science& Technology Ltd. F0509S-1WR Datasheet HTML 2Page - MORNSUN Science& Technology Ltd. F0509S-1WR 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_S-1WR & F_S-1WR
B/0-2012
Page 2 of 3
INPUT SPECIFICATIONS
TYPICAL CHARACTERISTICS
Item
Test conditions
Min.
Typ.
Max.
Units
3.3V input
50/420
5V input
30/260
12V input
12/110
15V input
12/100
Input current
(No load/Full load)
24V input
7/55
mA
3.3V input
7
5V input
9
12V input
18
15V input
21
Surge voltage
(1S max)
24V input
30
V
OUTPUT SPECIFICATIONS
Item
Test conditions
Min.
Typ.
Max.
Units
Output power
0.1
1
W
Line regulation
For Vin change of
±1%
±1.1
±1.5
Load regulation
10% to 100% load
10
20
%
Output voltage accuracy
Follow the tolerance envelope graph
Temperature drift
100% full load
±0.03
%/
°C
Ripple & Noise*
20MHz Bandwidth
100
200
mVp-p
Operating Temp.( C)
o
Switching frequency
Full load, nominal input
100
kHz
RECOMMENDED CIRCUIT
*Test ripple and noise by
“parallel cable” method. See detailed operation instructions at Testing
of Power Converter section, application notes.
ISOLATION SPECIFICATIONS
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
Isolation Capacitance
Input/Output,100KHz/0.1V
6
15
PF
APPLICATION NOTE
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. If the actual output power is very
small, please connect a resistor with resistance of 10% rated power at the output end in
parallel, or use our company
’s products with a lower rated output power
Overload Protection
Under normal operating conditions, the output circuit of these products has no protection
against overload. The simplest method is to connect a slow-blow fuse in series at the input
end or add a circuit breaker to the circuit.
Recommended testing and application circuit
If you want to further decrease the input ripple or the input inrush current, 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).
No parallel connection or plug and play
D u a l Ou tp ut
Sin g le Ou tp ut
Vin
GND
+Vo
0V
DC
Cin
L
L
DC
L Cout
Cout
-Vo
L
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)
Recommended capacitance(Table 1)
Vin
(VDC)
Cin
(
μF)
Single
output
(VDC)
Cout
(
μF)
Dual
output
(VDC)
Cout
(
μF)
5
4.7
5
10
±5
4.7
12
2.2
9
4.7
±9
2.2
15
2.2
12
2.2
±12
1
24
1
15
1
±15
0.47
1.The recommended external capacitance please use
the ceramic capacitor;
2. For applications where output power is less than
0.5W
in
reality,
external
capacitors
are
not
recommended.


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