URB2403YMD-20W Datasheet, PDF (3/8 Pages) MORNSUN Science& Technology Ltd. – REGULATED SINGLE OUTPUT DIP PACKAGING, DC-DC CONVERTER

Storage Humidity
Operating Temperature
Storage Temperature
The Max. Case Temperature
Lead Temperature
Cooling
Vibration
Non condensing
Refer to temperature derating curve（see Figure3）
Operating Temperature curve range（No wind）
25℃,rated input,100%load output（No wind）
60℃,rated input,100%load output（No wind）
1.5mm from case for 10 seconds
5
--
95
%
-40
--
85
-55
--
125
--
--
105
°C
--
58
--
--
93
--
--
--
300
Free air convection
10-55Hz, 10G, 30 Min. along X, Y and Z
EMC SPECIFICATIONS
CE
EMI
RE
CISPR22/EN55022 CLASS A(Without External Circuit) / CLASS B（External Circuit Refer to Figure1-②）
CISPR22/EN55022 CLASS A(Without External Circuit) / CLASS B（External Circuit Refer to Figure1-②）
ESD
IEC/EN61000-4-2 Contact ±4KV
perf. Criteria B
RS
IEC/EN61000-4-3 10V/m
perf. Criteria A
EFT
IEC/EN61000-4-4 ±2KV （External Circuit Refer to Figure1-①）
perf. Criteria B
EMS
Surge
IEC/EN61000-4-5 ±2KV （External Circuit Refer to Figure1-①）
perf. Criteria B
CS
Voltage dips, short
and interruptions
imm unit y
IEC/EN61000-4-6 3 Vr.m.s
IEC/EN61000-4-29 0%-70%
perf. Criteria A
perf. Criteria B
EMC RECOMMENDED CIRCUIT
V in
GND
FUSE
MOV
LDM1
LDM2
+
C1
TVS C 0
①
②
C Y1
Vin
+Vo
EUT LO AD
GND
0V
C Y2
(Figure 1)
Recommended external circuit parameters:
Model
Vin:24 V
Vin:48 V
FUSE
Choose according to practical input current
MOV
S14K35
S14K60
LDM1
56μH
TVS
SMCJ48A
SMCJ90A
C0
C1
LDM2
330μF/50V
1μF/50V
330μF/100V
1μF /100V
4.7μH
CY1,CY2
1nF/2KV
Note: In Figure 1, part ① is EMS recommended external circuit, part ② is EMI recommended external circuit. Choose according to requirements.
EMC MODULE RECOMMENDED CIRCUIT PCB LAYOUT
(Figure 2)
Note: The pad space between input and output (CY1/CY2) must ≥2mm.
The copyright and authority for the interpretation of the products are reserved by MORNSUN
URB_YMD- 20W
2013.05.21-A/2 Page 3 of 8