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.
TEST CONFIGURATIONS
Input reflected-ripple current test setup
Input reflected-ripple current is measured with an inductor Lin and Capacitor Cin to simulate source impedance.
Oscilloscope
Lin
Cin
Current
Probe
DC DC
Load
Lin(4.7µH)
Cin(220µF, ESR < 1.0Ω at 100 KHz)
DESIGN CONSIDERATIONS
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, or use our
company’s products with a lower rated output power (E_S-1W & F_S-1W series).
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.
Input Fuse Selection Guide
3.3VDC Input Models
5VDC Input Models
12VDC Input Models
1000mA slow-Blow Type
1000mA slow-Blow Type
500mA slow-Blow Type
15VDC Input Models
24VDC Input Models
250mA slow-Blow Type
250mA slow-Blow Type
3) Recommended circuit
If you want to further decrease the input/output ripple, an capacitor filtering network may be connected to the input and output ends of the DC/DC
converter, see (Figure 3).
It should also be noted that the capacitance of 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).
The copyright and authority for the interpretation of the products are reserved by MORNSUN
E_S-2W&F_S-2W
7.0 0
[0.2 76]
(Front view)
A/4-2012
Page 4 of 5
Dual Output
Vin
Cin
+Vo
Cout
DC DC
GND
Single Output
Vin
Cin
Cout
0V
-Vo
+Vo
DC DC
(Figure 3)
Cout
GND
0V
EXTERNAL CAPACITOR TABLE
Vin
Cin
Single
Cout
(VDC)
(µF)
Vout
(µF)
(VDC)
5
12
15
24
4.7
2.2
2.2
1
3.3/5
9
12
15/24
10
4.7
2.2
1
(TABLE 1)
Dual
Cout
Vout
(µF)
(VDC)
4.7
±
5
±
9
±
12
2.2
1
0.47
±
15
It’s not recommended to connect any external capacitor in the application field with less than 0.5 watt output.
4) Output voltage regulation and over-voltage protection circuit
The simplest device for output voltage regulation, over-voltage and over-current protection is a linear regulator and an capacitor filtering network
with overheat protection that is connected to the input or output end in series (Figure 4), the recommended capacitance of its filter capacitor sees
(Table 1), linear regulator based on the actual voltage and current required.
D u al Ou tp ut
Vin
GND
Sin gle Out pu t
Vin
GND
REG
REG
REG
REG
+Vo
0V
DC DC
REG
-Vo
+Vo
DC DC
0V
(Figure 4)
5) Cannot use in parallel and hot swap
Note:
1. Operation under minimum load will not damage the converter; However, they may not meet all specification listed.
2. Max. Capacitive Load tested at input voltage range and full load.
3. All specifications measured at Ta=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified.
4. In this datasheet, all the test methods of indications are based on our corporate standards.
5. All characteristics are for listed model only, non-standard models may perform differently, please contact our technical person for more detail.
6. Contact us for your specific requirement.
7. Specifications subject to change 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: 86-20-28203030
Fax:86-20-28203068
Http://www.mornsun-power.com
The copyright and authority for the interpretation of the products are reserved by MORNSUN
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