EMC RECOMMENDED CIRCUIT
EMI Typical Recommended Circuit (CLASS B):
LDM
Recommended external circuit parameters:
Vin(V)
C0
LDM
5/12/15/24
4.7µF /50V
6.8µH
Vin
Vin
+Vo
EMI
EUT
LOAD
C0
GND
GND
-Vo
(0V)
(Figure1)
EMI TEST WAVEFORM (RECOMMENDED CIRCUIT FINGURE 1)
A0512S-2WR2 CE(Class B , Negative line)
A0512S-2WR2 CE(Class B, Positive line)
B2415S-2WR2 CE(Class B, Positive line)
B2415S-2WR2 CE(Class B , Negative line)
PRODUCT TYPICAL CURVE
Temperature DeratingCurve
120
Tolerance Envelope Curve
+10%
+5%
Rated
Output
Voltage
100
80
+2.5%
-2.5%
60
Safe Operating Area
40
-7.5%
20
0
-40
50 70
100
120
85 105
0
40
Ambient Temp.(
℃)
Output Current Percent(%)
(Nominal Input Voltage)
(Figure2)
Efficiency VS Input Voltage curve
(Full Load)
Efficiency VS Output Load curve
(Vin=Vin-nominal)
B0505S-2WR2
B0505S-2WR2
100
100
90
80
70
60
50
40
30
20
10
0
95
90
85
80
75
70
65
60
55
50
10 20 30 40 50 60 70 80 90 100
Total Output Current (%)
Input Voltage(V)
The copyright and authority for the interpretation of the products are reserved by MORNSUN
A_S-2WR2 & B_S-2WR2
2013.06.18- A/1
Page 3 of 5
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