URC240312D-30W Datasheet, PDF (3/5 Pages) MORNSUN Science& Technology Ltd. – REGULATED THREE OUTPUT DIP DC-DC CONVERTER

EMC RECOMMENDED CIRCUIT
Vin
GND
FU SE
LDM
MO V
TVS _C0
①
LCM
C1
②
C3
Vin
+Vo 1
+Vo 2
LO AD
C2
EUT
0V
GND
C4
LO AD
-Vo 2
LOAD
(Figure 1)
Recommended external circuit parameters:
Model
URC24_D-30W
URC48_D-30W
FUSE
Choose according to practical input current
MOV
LDM
S10K35
56μH
S10K60
TVS
SMCJ48A
C0
680μF/50V
SMCJ90A
680μF/100V
C1
1μF /100V
LCM
C2
1mH（0.1V 100KHz）15T core: TS7 T12*6*4
2.2μF /100V
C3
--
C4
1nF/2KV
Note: 1. In Figure 1,part①is EMS Recommended external circuit, part②is EMI recommended external circuit. Choose according to requirements.
2. If want to meet higher level of RE, add a common mode inductance after Lcm in figure 1: 1.5mH 20T core:A10 T12*6*4.
EMC RECOMMENDED CIRCUIT PCB LAYOUT
(Figure 2)
EMC TEST WAVEFORM(CLASS B TEST CIRCUIT)
URC240515D-30W CE (Positive line)
URC240515D-30W CE (Negative line)
URC240515D-30W RE(Horizontal)
URC240515D-30W RE(Vertical)
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URC_D-30W
2013.05.31-A/2 Page 3 of 5