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).
OUTPUT SPECIFICATIONS
Item
Test conditions
Min
0.2
Typ
Max
2
Units
W
Output power
Line regulation
For Vin change of 1%
±1.2
15
Dual Output
L
5V output
10
8.3
6.8
6.3
L
+Vo
Vin
Cout
9V output
12V output
15V output
15
%
0V
Cin
DC
DC
Load regulation
10% to 100% load
Cout
L
L
GND
15
-Vo
Single Output
Vin
15
L
+Vo
0V
Output voltage accuracy
Temperature drift
See tolerance envelope graph
0.03 %/°C
Cout
Cin
DC
DC
100% full load
GND
Ripple & Noise*
20MHz Bandwidth
150
35
250 mVp-p
(Figure 1)
5V input
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
Full load,
nominal input
Switching frequency
KHz
12V,24V input
50
*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
(Table 1).
EXTERNAL CAPACITOR TABLE (Table 1)
Vin
(VDC)
Single Cout
Dual
Vout
(VDC)
Cout
(uF)
Cin
(uF)
Vout
(uF)
(VDC)
5
12
24
-
4.7
2.2
1
5
9
10
4.7
2.2
1
4.7
2.2
1
±5
±9
12
15
±12
-
1
±15
(
C)
Ambient Temperature
It’s not recommended to connect any external capacitor
in the application field with less than 0.5 watt output.
OUTLINE DIMENSIONS & PIN CONNECTIONS
Output Voltage Regulation and Over-voltage
Protection Circuit
First Angle Projection
The simplest device for output voltage
(
Side View)
regulation,
over-voltage
and
over-current
RECOMMENDED FOOTPRINT
Top view,grid:2.54mm(0.1inch)
diameter:1.00mm(0.039inch)
protection is
a
linear voltage regulator with
overheat protection that is connected to the input
or output end in series (Figure 2).
Dual Output
Single/Dual Ouput
1716 1514 13
1
2
8
9
11
+Vo
REG
REG
REG
Vin
REG
0V
DC DC
(
Bottom View)
GND
-Vo
Single Output
17 16 15 14 13
1
2
8
9
11
+Vo
0V
2.54(0.100)
Vin
REG
27.94(1.100)
32.30(1.272)
DC
DC
(Figure 2)
Overload Protection
GND
FOOTPRINT DETAILS
Single
Pin
Dual
Vin
1
2
Vin
GND
-Vo
0V
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.
GND
NC
0V
16.65(0.656)
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)
12
,
13
+Vo
NC
+Vo
NC
Others
NC: No connection
No parallel connection or plug and play.
APPLICATION NOTE
Note:
Requirement on output load
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.
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(G/H_D-1W Series)
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
G_D-2W & H_D-2W
A/3-2008
Page 2 of 2
MORNSUN [ MORNSUN SCIENCE& TECHNOLOGY LTD. ]
