LD05-20BXX Просмотр технического описания (PDF) - MORNSUN Science& Technology Ltd.
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LD05-20BXX Datasheet PDF : 7 Pages
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AC/DC Converter
LD05-20Bxx Series
Product Characteristic Curve
100
80
70
50
25
Temp erat ure D erating Cur ve
Input Voltage: 11 0~2 40 VA C
14 0~340VDC
Input Voltage Derating Cu rve
100
80
60
50
40
20
85
110
240 264 VA C
-25 -10 0
55 70
A mbient Tem pe rature(℃)
100 140
340 370 VDC
Input voltage
Note: ①When input 85~110VAC/240~264VAC/100~140VDC/340~370VDC, it need to be voltage derated on basis of temperature derating;
②This product is suitable for use in natural air cooling environments, if in a closed environment, please contact our company’s FAE.
Efficiency Vs Input Voltage(Full Load)
90
85
LD05-20B24
LD05-20B12
80
LD05-20B05
75
70
65
60
55
50
85
110
180
230
264
Input Voltage(VAC)
Efficiency Vs Output Load(Vin=230VAC)
90
85
LD05-20B24
80
LD05-20B12
LD05-20B05
75
70
65
60
55
50
10
20 30 40 50 60 70 80 90 100
Output Power Percentage(%)
Design Reference
1. Typical application circuit
FU SE
AC( L)
NT C
AC ( L) +Vo
C1
C2
M OV
+
RL
AC(N )
- Vo
AC ( N)
Fig. 1
Model
LD05-20B03
LD05-20B05
LD05-20B09
LD05-20B12
LD05-20B15
LD05-20B24
C1(μF)
1
C2(μF)
220
220
100
100
100
47
Note:
Output filtering capacitor C2 is a electrolytic capacitor, it is recommended to use high frequency and low impedance electrolytic capacitor. For
capacitance and current of capacitor please refer to manufacture’s datasheet. Output capacitor withstand voltage derating should be 80% or above. C1 is
ceramic capacitor, which is used to filter high-frequency noise. External input NTC is recommended to use 12D-5; External input MOV is recommended to use
S14K350.
2. EMC solution-recommended circuit
AC(L)
FUSE
AC(N)
Can use MORNSUN’s FC-LX1D
L1
LCM
NTC
CY1
MOV CX
CY2
AC(L)
+Vo
ACDC
-Vo
C1 C2
RL
+
AC(N)
Fig 2
2015.03.18-B/1
Page 3 of 7
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
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