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G0512D-1W Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd.

Part No. G0512D-1W
Description  DUAL/SINGLE OUTPUT DC-DC CONVERTER
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Maker  MORNSUN [MORNSUN Science& Technology Ltd.]
Homepage  http://www.mornsun-power.com
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The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
G_D-1W & H_D-1W
A/3-2009
Page 2 of 2
OUTPUT SPECIFICATIONS
Item
Test conditions
Min
Typ
Max
Units
Output power
0.1
1
W
Line regulation
For Vin change of 1%
±1.2
10% to 100% load 5V output
10
15
10% to 100% load 9V output
8.3
15
10% to 100% load 12V output
6.8
15
Load regulation
10% to 100% load 15V output
6.3
15
%
Output voltage accuracy
See tolerance envelope graph
Temperature drift
100% full load
0.03
%/
°C
Ripple & Noise*
20MHz Bandwidth
150
200
mVp-p
5V input
250
Switching frequency
Full load
nominal input
12V input
50
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%.
TYPICAL CHARACTERISTICS
Ambient Temperature C
(
)
OUTLINE DIMENSIONS & PIN CONNECTIONS
1
2
12 13
,
Vin
GND
NC
+Vo
0V
Vin
GND
-Vo
+Vo
0V
Others
NC
NC
Note:
Unit:mm(inch)
Pin section:0.50*0.30mm(0.020*0.012inch)
Pin section tolerances: 0.10mm( 0.004inch)
General tolerances: 0.25mm( 0.010inch)
Pin
Single
Dual
First Angle Projection
RECOMMENDED FOOTPRINT
Top view,gri d:2.54mm(0.1inch)
diameter:1.00mm(0.039inch)
1
14
17 16
13
2
15
89
11
FOOTPRINT DETAILS
NC: No connection
Single/Dual Ouput
(
)
Side View
(
)
Bottom Vi ew
16.65(0.656)
32.30(1.272)
2.54(0.100)
27.94(1.100)
12
89
11
14
17 16
13
15
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, 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.
Recommended testing and application 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).
Vin
GND
+Vo
0V
DC
Cin
L
L
DC
L Cout
Cout
-Vo
L
Vin
GND
+Vo
0V
DC
Cin
L
DC
Cout
Dual Output
Sigle Output
(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 greatest
capacitance of its filter capacitor sees (Table 1).
EXTERNAL CAPACITOR TABLE (Table 1)
Vin
(VDC)
Cin
(uF)
Single
Vout
(VDC)
Cout
(uF)
Dual
Vout
(VDC)
Cout
(uF)
5
4.7
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 recommend to connect any external capacitor in
the application field with less than 0.5 watt output.
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).
Vin
GND
0V
+Vout
DC
DC
-Vout
REG
REG
REG
Dual Output
Single Output
Vin
GND
0V
+Vout
DC
DC
REG
REG
(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
Note:
1.All specifications measured at Ta=25
°C, humidity<75%,
nominal input voltage and rated output load unless
otherwise specified.
2.Only typical models listed, other models may be
different, please contact our technical person for more
details.
3.Operation under minimum load will not damage the
converter; However, they may not meet all specification
listed.




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