DC/DC Converter
VRB_YMD-20WR3 Series
20W,wide input isolated & regulated single
output ,DIP packaging, DC-DC converter
FEATURES
Wide input voltage range (2:1)
High efficiency up to 91%
Isolation voltage :1.5K VDC
Input under-voltage protection, output short
circuit, over-current, over–voltage protection
Operating temperature range: -40℃ to +105℃
International standard pin-out
Meets EN62368 standards(Pending)
Patent Protection RoHS
VRB_YMD-20WR3 series are isolated 20W DC-DC products with 2:1 input voltage. They feature efficiency up to 91%, 1500VDC isolation,
operating temperature of -40℃ to +105℃, input under-voltage protection, output over-voltage, output over-current, output short circuit
protection , which make them widely applied in industrial control, electric power, instruments and communication fields.
Selection Guide
②
Input Voltage (VDC)
Nominal
Output
Efficiency
(%,Min./Typ.)
@ Full Load
Max.
Capacitiv
e Load(µF)
Output Current
Certification
Part No.
Output Voltage
(VDC)
①
(mA)
Max.
(Range)
(Max./Min.)
VRB1203YMD-20WR3
VRB1205YMD-20WR3
VRB1212YMD-20WR3
VRB1215YMD-20WR3
VRB1224YMD-20WR3
VRB2403YMD-20WR3
VRB2405YMD-20WR3
VRB2412YMD-20WR3
VRB2415YMD-20WR3
VRB2424YMD-20WR3
VRB4803YMD-20WR3
VRB4805YMD-20WR3
VRB4812YMD-20WR3
VRB4815YMD-20WR3
VRB4824YMD-20WR3
3.3
5
5000/0
4000/0
1667/0
1333/0
833/0
84/86
87/89
87/89
88/90
88/90
86/88
88/90
88/90
89/91
89/91
86/88
88/90
89/91
89/91
89/91
10000
10000
1600
1000
500
12
(9-18)
20
12
15
24
3.3
5
5000/0
4000/0
1667/0
1333/0
833/0
10000
10000
1600
1000
500
CE
(Pending)
24
(18-36)
40
80
12
15
24
3.3
5
5000/0
4000/0
1667/0
1333/0
833/0
10000
10000
1600
1000
500
48
(36-75)
12
15
24
Notes:
1
Absolute maximum rating without damage on the converter, but it isn't recommended;
2
Efficiency is measured In nominal input voltage and rated output load;A2S (wiring) and A4S (rail) Model due to input reverse polarity protection, minimum
efficiency greater than Min.-2 is qualified.
Input Specifications
Item
Operating Conditions
Min.
Typ.
Max.
Unit
3.3V output
5V output
--
--
--
--
--
--
--
--
--
--
1599/40
1873/45
1873/7
1852/7
1852/12
782/30
926/35
926/6
1637/70
1916/70
1916/20
1894/20
1894/20
800/50
947/55
947/15
937/15
937/20
12VDC nominal input series,
nominal input voltage
12V output
15V output
24V output
3.3V output
5V output
Input Current (full load /
no-load)
mA
24VDC nominal input series,
nominal input voltage
12V output
15V output
24V output
916/6
916/10
2018.04.17-A/1
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