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LD03-10B03R2 Fiches technique(PDF) 3 Page - MORNSUN Science& Technology Ltd.

No de pièce LD03-10B03R2
Description  3W, AC-DC converter
Download  5 Pages
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Fabricant  MORNSUN [MORNSUN Science& Technology Ltd.]
Site Internet  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

LD03-10B03R2 Fiches technique(HTML) 3 Page - MORNSUN Science& Technology Ltd.

  LD03-10B03R2_15 Datasheet HTML 1Page - MORNSUN Science& Technology Ltd. LD03-10B03R2_15 Datasheet HTML 2Page - MORNSUN Science& Technology Ltd. LD03-10B03R2_15 Datasheet HTML 3Page - MORNSUN Science& Technology Ltd. LD03-10B03R2_15 Datasheet HTML 4Page - MORNSUN Science& Technology Ltd. LD03-10B03R2_15 Datasheet HTML 5Page - MORNSUN Science& Technology Ltd.  
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AC/DC Converter
LD03-10BxxR2 Series
2015.04.17-A/1
Page 3 of 5
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Product Characteristic Curve
-25
55
70
100
70
50
20
Input voltage 100~240VAC
120~340VDC
Temperature Derating Curve
Ambient
.( )
temperature ℃
85
100
240 264 VAC
50
100
80
20
76
Input Voltage Derating Curve
Ambient temperature:25℃
Input Voltage
100
120
340 370 VDC
Note: ①Input voltage should be derated based on temperature derating when it is 85~100VAC/240~264VAC/100~120VDC/340~370VDC;
This product is suitable for use in natural air cooling environments, if in a closed environment, please contact our company’s FAE.
LD03-10B05R2
LD03-10B12R2
LD03-10B24R2
60
65
70
75
80
85
90
85
110
220
240
264
Input Voltage(VAC)
Efficiency Vs Input Voltage(Full Load)
LD03-10B05R2
LD03-10B12R2
LD03-10B24R2
40
45
50
55
60
65
70
75
80
85
90
10
20
30
40
50
60
70
80
90
100
Output Power Percentage(%)
Efficiency Vs Output Load(Vin=230VAC)
Design Reference
1. Typical application circuit
AC (L)
+Vo
-Vo
AC (L)
AC (N)
AC (N)
C1
C2
TVS
RL
FUSE
AC/DC
MOV1
+
Fig. 1: Typical application circuit
Model
C1(μF)
C2(μF)
TVS tube
LD03-10B03R2
1
150
SMBJ7.0A
LD03-10B05R2
150
SMBJ7.0A
LD03-10B09R2
120
SMBJ12A
LD03-10B12R2
120
SMBJ20A
LD03-10B15R2
120
SMBJ20A
LD03-10B24R2
68
SMBJ30A
Note:
Output filtering capacitor C2 is electrolytic capacitor, it is recommended to apply electrolytic capacitor with high frequency and low resistance. For
capacitance and current of capacitor please refer to manufacture’s datasheet. Capacitance withstand voltage derating should be 80% or above. C1 is
ceramic capacitor, which is used to filter high-frequency noise. External input MOV1 is recommended to use S14K350. TVS is a recommended component to
protect post-circuits if converter fails.
2. EMC solution-recommended circuit
AC/DC
AC(N)
AC(L)
LCM
MOV 1 CX
CY1
CY2
FUSE
AC(N)
AC(L)
+Vo
-Vo
+
LDM
C1
C2
TVS1
RL
Can use MORNSUN’s FC-LX1D
Fig 2: EMC application circuit with higher requirements


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