The IF_S-1W & IF_D-1W 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
≤±5%);
2) Where isolation is necessary between input and output (isolation
voltage
≤3000VDC);
3) Where the regulation of the output voltage and the output ripple noise
are demanded.
Patent Protection RoHS
MODEL SELECTION
Rated Power
Package Style
Output Voltage
Input Voltage
Product Series
PRODUCT PROGRAM
Model
IF0505S-1W
IF0509S-1W
IF0512S-1W
5
IF0515S-1W
IF0505D-1W
IF0512D-1W
IF1205S-1W
IF1212S-1W
IF1215S -1W
IF1205D-1W
IF2405S-1W
IF2412S-1W
IF2415S-1W
IF2405D-1W
Note: The IF_S(D)-W25 Series also available in our company.
Input Voltage
(VDC)
Nominal
Range
Output Voltage
(VDC)
5
9
12
Output Current
(mA)
Max.
200
111
83
67
200
83
200
83
67
200
200
83
67
200
Min.
20
12
9
7
20
9
20
9
7
20
20
9
7
20
Input Current
(mA)(Typ.)
@Max.
@No
Load
Load
303
286
278
30
274
303
278
124
114
113
124
62
57
56
62
8
15
Efficiency(%)
@Max. Load
Min.
62
66
68
69
62
68
63
69
70
63
63
69
70
63
Typ.
66
70
72
73
66
72
67
73
74
67
67
73
74
67
4.75-5.25
15
5
12
5
12
11.4-12.6
12
15
5
5
24
22.8-25.2
12
15
5
OUTPUT SPECIFICATIONS
Item
Line regulation
Load regulation
Output voltage accuracy
Temperature drift
Output ripple*
Output Noise*
Test condition
For Vin change of
±5%
10% to 100% load
100% load
100% load
20MHz Bandwidth
20MHz Bandwidth
Min.
--
--
--
--
--
--
Typ.
--
±1
--
--
10
50
Max.
±0.25
±2
±3
0.03
20
100
%/℃
mVp-p
%
Unit
*Test ripple and noise by
“parallel
cable” method.
See detailed operation instructions at DC-DC Application Notes.
COMMON SPECIFICATION
Item
Storage humidity range
Test Conditions
Non condensing
Min.
--
Typ.
--
Max.
95
2013.11.21-A/4
Unit
%
Page 1 of 4
The copyright and authority for the interpretation of the products are reserved by MORNSUN
IF_S-1W & IF_D-1W
Operating temperature
Storage temperature
Lead temperature
Temp. rise at full load
Cooling
Case material
*IFXX05S/D-1W
Short circuit protection
Others
Switching Frequency
MTBF
IF_S-1W / IF_S-W75
Weight
IF_D-1W / IF_D-W75
*
Supply voltage must be discontinued at the end of short circuit duration.
100% load, Input voltage range
Ta=25°C
1.5mm from case for 10 seconds
-40
-55
--
--
--
--
15
--
85
125
25
300
℃
Free air convection
Plastic(UL94-V0)
--
--
Continuous
--
3500
--
--
120
--
2.1
2.4
300
--
--
--
KHz
K hours
g
g
1
S
ISOLATION SPECIFICATIONS
Item
Isolation voltage
Isolation resistance
Isolation Capacitance
Test condition
Input-Output, tested for 1 minute and leakage current
less than 1 mA
Input-Output, test at 500VDC
Input-Output,100KHz/0.1V
Min.
3000
1000
--
Typ.
--
--
60
Max.
--
--
--
Unit
VDC
MΩ
pF
TYPICAL CHARACTERISTICS
Temperature Derating Graph
Operating Temp.(
C
)
OUTLINE DIMENSIONS & PIN CONNECTIONS
IF_S-1W / IF_S-W75
IF_S-1W / IF_S-W75
The copyright and authority for the interpretation of the products are reserved by MORNSUN
IF_S-1W & IF_D-1W
2013.11.21-A/4
Page 2 of 4
APPLICATION NOTE
1)Requirement on output load
To ensure this module can operate efficiently and reliably, During operation, 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.
2)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).
L
Vin
Cin
GND
L
+Vo
DC DC
Cout
0V
(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
Cin
Vout
Cout
(VDC)
(μF)
(VDC)
(μF)
5
4.7
5
10
12
2.2
9
4.7
24
1
12
2.2
-
-
15
1
It’s not recommend to connect any external capacitor in the application field with less than 0.5 watt output.
3)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.
4)Input Over-voltage Protection Circuit
The simplest device for input over-voltage protection is a linear voltage regulator with overheat protection that is connected to the input end in
series (Figure 2).
Vin
GND
REG
+Vo
DC DC
0V
(Figure 2)
5)When the environment temperature is higher than 71°C, the product output power should be less then 60% of the rated power.
6)It is not recommended to increase the output power capability by connecting two or more converters in parallel. The product is not
hot-swappable.
The copyright and authority for the interpretation of the products are reserved by MORNSUN
IF_S-1W & IF_D-1W
2013.11.21-A/4
Page 3 of 4
Note:
1. Operation under minimum load will not damage the converter; However, they may not meet all specifications.
2. Max. Capacitive Load is tested at nominal input voltage and full load.
3. Unless otherwise noted, All specifications are measured at Ta=25°C, humidity<75%, nominal input voltage and rated output load.
4. In this datasheet, all test methods are based on our corporate standards.
5. All characteristics are for listed models, and non-standard models may perform differently. Please contact our technical support for more detail.
6. Please contact our technical support for any specific requirement.
7. Specifications of this product are subject to changes without prior notice.
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
E-mail:
info@mornsun.cn
Http://www.mornsun-power.com
The copyright and authority for the interpretation of the products are reserved by MORNSUN
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