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LD05-20B09 Datasheet(Fiches technique) 3 Page - MORNSUN Science& Technology Ltd.

Numéro de pièce LD05-20B09
Description  3-5W,AC-DC CONVERTER
Télécharger  10 Pages
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Fabricant  MORNSUN [MORNSUN Science& Technology Ltd.]
Site Internet  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

LD05-20B09 Datasheet(HTML) 3 Page - MORNSUN Science& Technology Ltd.

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Specifications subject to change without notice.
LD03-05
A/2-2008
Page 3 of 4
TYPICAL EFFICIENCY CURVE
LD03-10BXX Efficiency
45
50
55
60
65
70
75
80
85
10
20
30
40
50
60
70
80
90
100
Load(%)
LD03-10B05 115VAC
Efficiency(%)
LD03-10B05 230VAC
Efficiency(%)
LD03-10B12 115VAC
Efficiency(%)
LD03-10B12 230VAC
Efficiency(%)
LD03-10B24 115VAC
Efficiency(%)
LD03-10B24 230VAC
Efficiency(%)
LD05-20BXX Efficiency
50
55
60
65
70
75
80
85
90
10
20
30
40
50
60
70
80
90 100
Load(%)
LD05-20B05 115VAC
Efficiency(%)
LD05-20B05 230VAC
Efficiency(%)
LD05-20B12 115VAC
Efficiency(%)
LD05-20B12 230VAC
Efficiency(%)
LD05-20B24 115VAC
Efficiency(%)
LD05-20B24 230VAC
Efficiency(%)
ANEAR MEASURE
3
C1
C2
Copper sheet
Load
25.4mm
25.4mm
Connect Oscillograph probe
C3
Fuse
LD03-10BXX
Copper sheet
Load
Connect Oscillograph Probe
FUSE
LD05-20BXX
L
N
TYPICAL APPLICATIONS
LD03-10B**
+V0
-V0
L
N
M OV
22
26
+
+
*FUSE
*NTC
L
N
C3
C1
C2
TVS
RL
Figure1
+V0
-V0
L
N
MOV
NF
C8
C6
C7
+
+
22
26
* FUSE *NTC
L
N
C3
C1 C2 TVS
RL
Figure3
LD03 EMC Application Figure
LD05-20B**
+V0
-V0
L
N
+
*FUSE *NTC
L
N
C1
C2
RL
Figure 2
+V0
-V0
L
N
NF
C8
C6
C7
+
*FUSE
C1
L
N
C2
RL
Figure4
LD05 EMC Application Figure
EXTERNAL CAPACITORS TYPICAL VALUE(Unit:
µF)
model
C1
C2
C3
TVS
model
C1
C2
LD03-10B03
150
0.1
4.7/400V
P4KE6.8A
LD05-20B03
47
0.1
LD03-10B05
150
0.1
4.7/400V
P4KE6.8A
LD05-20B05
47
0.1
LD03-10B09
120
0.1
4.7/400V
P4KE12A
LD05-20B09
33
0.1
LD03-10B12
120
0.1
4.7/400V
P4KE20A
LD05-20B12
33
0.1
LD03-10B15
120
0.1
4.7/400V
P4KE20A
LD05-20B15
33
0.1
LD03-10B24
68
0.1
4.7/400V
P4KE30A
LD05-20B24
10
0.1
Note:
1. Output filtering capacitors C1, C3 is electrolytic capacitors, It is recommended to use high frequency and low impedance electrolytic capacitors. For capacitance
and current of capacitor please refer to manufacture
’s datasheet. Voltage derating of capacitor should be 80% or above. C2 is ceramic capacitor, it is used to filter
high frequency noise. TVS is a recommended component to protect post-circuits (when converter fails).
2. MOV is required to LD03 models,model: 471KD05, it is used to protect the device under surge.
3. It is recommended to connect FUSE, the parameter for LD03 models is 0.5A/250V slow blow, for LD05 models is1A/250V slow blow. External input NTC is
recommended to use 5D-14 or 10
Ω/2W wire-round resistor.
4. If EMC performance is required, recommended to add
“EMC filter” at the input end(see figure 3,4)
C6:X capacitor, recommended parameter 0.1uF/275V;
C7,C8:Y capacitor, recommended parameter 220pF/2000V;
NF: common model choke, recommended inductance is about 10mH-30mH.
5. LD03 models: Terminals 22 and 26 are internal rectification and filtering terminals. To protect the models further, it is recommended to connect an electrolytic
capacitor C3 (it is recommended to be 4.7uF/400V). If operation voltage of the module is between 160~264VAC, C3 can be removed.


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