D_S-2W Series
2W, FIXED INPUT ISOLATED & UNREGULATED
TWIN OUTPUT DC-DC CONVERTER
RoHS
FEATURES
High Efficiency up to 85%
SIP Package
1KVDC Isolation
Temperature Range: -40°C to +85°C
No Heat sink Required
No External Component Required
Internal SMD Construction
Industry Standard Pinout
RoHS Compliance
PRODUCT PROGRAM
Input
Part
Number
D050505S-2W
D050909S-2W
D051212S-2W
D051515S-2W
D120505S-2W
D120909S-2W
D121212S-2W
D121515S-2W
12
10.8-13.2
5
4.5-5.5
Voltage (VDC)
Nominal
Range
Voltage
(VDC)
5
9
12
15
5
9
12
15
5
24
21.6-26.4
9
12
15
Output
Current (mA)
Max
200
111
83
67
200
111
83
67
200
111
83
67
Min
20
12
9
7
20
12
9
7
20
12
9
7
80
82
82
83
80
83
85
83
81
82
84
84
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
UL
Efficiency
Certificate
(%, Typ)
APPLICATIONS
The D_S-2W Series are specially designed
for applications where a group of polar power
supplies are isolated from the input power
supply in a distributed power supply system on
a circuit board.
These products apply to:
1) Where the voltage of the input power supply
is fixed (voltage variation
≤ ±10%);
2) Where isolation is necessary between input
and output (isolation voltage
≤1000VDC);
3) Where the regulation of the output voltage
and
the
output
ripple noise are
not
demanding.
Such as: purely digital circuits, ordinary low
frequency analog circuits, and IGBT power
device driving circuits.
D240505S-2W
D240909S-2W
D241212S-2W
D241515S-2W
COMMON SPECIFICATIONS
Item
Storage humidity
Operating temperature
Storage temperature
Temp. rise at full load
Lead temperature
Short circuit protection*
Cooling
Case material
MTBF
Weight
3500
2.8
1.5mm from case for 10 seconds
Test conditions
Min
Typ
Max
95
Units
%
-40
-55
15
85
125
25
300
1
Free air convection
Plastic (UL94-V0)
K hours
g
s
°C
MODEL SELECTION
D050505S-2W
Rated Power
Package Style
The 2nd Output Voltage
The 1st Output Voltage
Input Voltage
Product Series
*Supply voltage must be discontinued at the end of short circuit duration.
ISOLATION SPECIFICATIONS
Item
Isolation voltage
Test conditions
Tested for 1 minute and 1mA max(Vin/Vout)
Tested for 1 minute and 1mA max(Vo1/Vo2)
Isolation resistance
Test at 500VDC (Vin/Vout)
Test at 500VDC (Vo1/Vo2)
Isolation capacitance
(Vin/Vout)
(Vo1/Vo2)
Min
1000
1000
1000
1000
90
90
pF
MΩ
Typ
Max
Units
VDC
MORNSUN Science & Technology Co.,Ltd.
Address: No. 5, Kehui St. 1, Kehui development
center, Science Ave., Guangzhou Science City,
Luogang district, Guangzhou,P.R.China.
Tel: 86-20-38601850
Fax:86-20-38601272
Http://www.mornsun-power.com
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
D_S-2W
A/4-2012
Page 1 of 2
OUTPUT SPECIFICATIONS
Item
Line regulation
Test conditions
For Vin change of 1%
10% to 100% load(5V Output)
Load regulation
10% to 100% load(9V Output)
10% to 100% load(12V Output)
10% to 100% load(15V Output)
Output voltage accuracy
Temperature drift
Output ripple& Noise*
Switching frequency
100% full load
20MHz Bandwidth
Full load, nominal input
100
70
12.8
8.3
6.8
6.3
Min
Typ
Max
±1.2
15
10
10
10
%
Units
APPLICATION NOTE
Requirement on output load
To ensure this module can operate efficiently
and reliably, a minimum load is specified for
this kind of DC/DC converter in addition to a
maximum load (namely full load). During
operation, make sure the specified range of
input voltage is not exceeded, the minimum
output load
could not be less than 10% of the
full 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.
Overload Protection
Under normal operating conditions, the output
circuit of these products has no protection
against over-current and short-circuits. The
simplest method is to connect a self-recovery
fuse in series at the input end or add a circuit
breaker to the circuit.
Recommended and testing 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).
L
L
See tolerance envelope graph
0.03
150
%/°C
mVp-p
KHz
*Test ripple and noise by
“parallel
cable” method. See detailed operation instructions at Testing of Power
Converter section, application notes.
Note:
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load
unless otherwise specified.
2. See below recommended circuits for more details.
3. Operation under minimum load will not damage the converter; However, they may not meet all
specification listed, and that will reduce the life of product
TYPICAL CHARACTERISTICS
+Vo1
Cout
Vin
Cin
DC DC
L
Cout
0V1
+Vo2
0V2
GND
Operating Temp.(
o
C)
OUTLINE DIMENSIONS & PIN CONNECTIONS
MECHANICAL DIMENSIONS
0.50 [0.020]
RECOMMENDED FOOTPRINT
(Front View)
10.00
[0.394]
∅1.00
[0.039]
(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).
EXTERNAL CAPACITOR TABLE (Table 1)
Vin
Vout
Cou
Cin
(VDC)
(VDC)
(
μ
F)
(μF)
5
4.7
5
4.7
12
24
--
2.2
1
--
9
12
15
2.2
1
0.47
1
2
4
5 6
7
0.50[0.020]
4.10 [0.161]
Note
:
grid 2.54*2.54mm
.
19.60[0.772]
TUBE OUTLINE DIMENSIONS
(Bo ttom Vie w)
1
2
4
5
6 7
9.60
[0.378]
0.30[0.012]
12.40 [0.488]
It’s not recommend to connect any external capacitor
in the application field with less than 0.5 watt output.
7.00[0.276]
0.90[0.035]
2.54[0.100]
15.24[0.600]
FOOTPRINT DETAILS
Function
Pin
1
2
4
5
6
7
Vin
G ND
0V1
+ Vo1
0V2
+ Vo2
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).
Vo1
Vin
REG
0V1
Vo2
0V2
REG
Vin
Vo1
0V1
16.90 [0.665]
4.90 [0.193]
Note:
Unit :mm[inch]
General tolerances:
±0.50mm[±0.020inch]
L=530mm[20.866inch] Devices per tube quantity : 25pcs
L=220mm[8.661inch] Devices per tube quantity: 10pcs
Short tube inner packaging dimensions: L*W*H=255*170*80mm;
Short tube outer packaging dimensions(with six inner packaging boxes):
L*W*H=375*280*270mm;
Long tube inner packaging dimensions: L*W*H=580*200*100mm;
Long tube outer packaging dimensions(with two inner packaging boxes)
：
L*W*H=600*215*220mm;
Long tube outer packaging dimensions(with three inner packaging boxes)
：
L*W*H=600*215*325mm.
DC DC
GND
Note:
Unit:mm[inc h]
Pin section tolerances:
±
0.10mm[
±0.004inch]
General tolerances:± 0.50mm[
±0.020inch]
DC DC
GND
REG
Vo2
0V2
(Figure 2)
No parallel connection or plug and play.
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
D_S-2W
A/4-2012
Page 2 of 2
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