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PDF ( 数据手册 , 数据表 ) LD03-10B03

零件编号 LD03-10B03
描述 AC-DC CONVERTER
制造商 MORNSUN Science & Technology
LOGO MORNSUN Science & Technology LOGO 


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LD03-10B03 数据手册, 描述, 功能
LDXX SERIES
3-5W,AC-DC CONVERTER
LD---- are high efficiency green power modules with least
packaging provided by Mornsun. The features of this series are: wide
input voltage, DC and AC all in one, high efficiency, high reliability,
low loss, safety isolation etc. They are widely used in industrial, office,
civil and medical equipments. EMC and safety standards meet
international standards IEC61000 EN60950/UL60601 and IEC60950,
and Multi-certificate is in processing.
www.DataSheet4U.com
PRODUCT FEATURES
1. Universal Input :85 ~ 264VAC,50/60Hz
2. AC and DC all in one (input from the same terminal)
3. Low Ripple and Noise
4. Over output voltage protection , short circuit protection
and Over temperature
5. High efficiency, High power density
6. Low loss, green power
7. Multiple models available
8. industrial, medical level specifications
9. 3 years warranty
MODEL SELECTION
LD05-20B24
Out put Vol tage
Out put S tyle
Input Vol tage
Is olati on Volt ag e
Rated Powe r
Pac kage St y le
Product Seri es
PRODUCT PROGRAM
Approval
Model
Package
Power
Output (Vo1/Io1)
Output (Iomax/T)
Ripple and Noise
(TYP)
Efficiency
(%)(TYP)
LD03-10B03
2.3W
3.3V/700mA
900mA/60S
63
LD03-10B05
5v/600mA
750mA/60S
72
UL/CE60950
LD03-10B09
LD03-10B12
37.0X23.0X15.0mm
3W
9V/ 330m A
12V/250mA
450mA/60S
330mA/60S
30m V
74
76
LD03-10B15
15V/200mA
250mA/60S
76
LD03-10B24
24V/125mA
160mA/60S
78
LD05-20B03
4.2W
3.3V/1250mA
1400mA/60S
66
LD05-20B05
5v/1000mA
1300mA/60S
72
UL/CE60601
LD05-20B09
50.8X25.4X15.16mm
LD05-20B12
5W
9V/ 550m A
12V/420mA
700mA/60S
550mA/60S
30m V
74
76
LD05-20B15
15V/333mA
450mA/60S
76
LD05-20B24
5.5W
24V/230mA
300mA/60S
78
Note:
1. Ripple and Noise were measured by the method of anear measure(The details see the anear measure);
2. Unless otherwise specified, all specifications above are measured at rated input voltage and rated output load, TA=25oC, humidity < 75%;
3. All specifications stated in this datasheet are subject to the above listed models only. For specifications of non-standard models, please contact our technical Support
team.
4. Product can not be continuously over current, or it will cause permanent damage to the device.
INTPUT SPECIFICATIONS
Input Voltage Range
Input Frequency
Input Current
LD03 models
LD05 models
Inrush Current
LD03 models
LD05 models
External input fuse(recommended)
LD03 models
LD05 models
85~264VAC, 110~370VDC
47~440Hz
110VAC
65mA, typ
110mA,typ
230VAC
30mA, typ
70mA, typ
110VAC
10A, typ
10A,typ
230VAC
20A, typ
20A, typ
0.5A/250V
1A/250V
Slow blow
Slow blow
MORNSUN reserves the copyright
Specifications subject to change without notice.
LD03-05
A/2-2008
Page 1 of 4







LD03-10B03 pdf, 数据表
suggestions for handling dissipated heat are summarized, below:
www.DataSheet4U.com
(1) Ambient Air Cooling
For miniature and high power density converters, free air cooling is recommended, mainly due
to cost and space concerns.
Heat dissipates to the ambient air through the converter case or exposed surfaces. Heat
may also dissipate to ambient air if there is a gap between the converter and the PCB.
Heat dissipates from the converter case and exposed surfaces to PCB by radiation.
Heat conducts through terminals (pins) to PCB.
In such applications, please pay particular attention to:
A. Air Flow - Because the heat dissipation is mainly through convection and radiation, the
converter needs an environment with good air flow. It may be helpful to design heat
dissipation venting holes throughout the end product, near the converter s location. For
best convection cooling, ensure that air flow is not blocked by large components
B. Layout of Heat Generating Components - In most applications, the AC/DC converter is
usually not the only heat generating component. It is recommended to keep a good
distance between each heat generating component to minimize heat dissipating clusters.
C. PCB Design - The PCB, which the power converter is assembled on, is not only a base to
mount the converter, but also acts as a heat sink for it, therefore heat dissipation should be
considered in PCB layout. We recommend extended the area of the main copper loop
and decrease the component density on the PCB to improve the ambient environment.
(2) Heat Sinks
When free air convection is not sufficient enough, we recommend the use of a heat sink for
further cooling. As the converters are filled with heat conductive silicon or epoxy, the heat
distribution in converter is even and it radiates from the converter to the air. The efficiency of
this convection is dependent on the size of the surface area of the converter. The use of heat
sinks is a practical method to add surface area and improve the convection. There are many
kinds of heat sinks available in the market. MORNSUN recommends considering the following
factors in selecting a heat sink:














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