Recommended external circuit parameters:
Model
Vin:24V
Vin:48V
FUSE
MOV
LDM1
TVS
C0
Choose according to practical input current
10D560K
10D101K
56μH
SMCJ48A
120μF/50V
4.7μF/50V
SMCJ90A
120μF/100V
4.7μF/100V
C1
LDM2
C2
12μH
4.7μF/50V
4.7μF/100V
C3
1nF/2KV
Note: 1.In Figure 1,part① is EMS Recommended external circuit, part② is EMI recommended external circuit. Choose according to requirements.
2. If there is no recommended parameters, the model no require the external component.
EMC RECOMMENDED CIRCUIT PCB LAYOUT
(Figure 2)
Note: The space between input and output GND (C3) must≥2mm.
EMC MODULE RECOMMENDED CIRCUIT
FUSE
+Vo
0V
Vin
+Vin
FT-A/BX1D
+Vin
+
EUT
GND
Load
+Vo
-Vo
C
-Vin
-Vin
Nominal Input Voltage=24V, C≥330uF/50V
Nominal Input Voltage =48V, C≥330uF/100V
FT-A/BX1D is MORNSUN’s EFT suppresser
(Figure 3)
EMC MODULE RECOMMENDED CIRCUIT PCB LAYOUT
(Figure 4)
EMI TEST WAVEFORM (NOMINAL AND FULL LOAD)
PWB2405ZP-3WR2 Without External Circuit Power+(Class A)
PWB2405ZP-3WR2 Without External Circuit Power-(Class A)
PWB_ZP-3WR2 A/0-2013 Page 3 of 6
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