DC/DC Converter
VRB_LD-50W Series
50W,wide input isolated & regulated
DIP packaging DC/DC converter
FEATURES
Wide input voltage range (2:1)
High efficiency up to 93%
Isolation voltage :1500VDC
Input over-voltage, under-voltage protection,
output short circuit , over-current and
over–voltage protection
Operating temperature range: -40℃ to +85℃
Six-sided metal shielding package
Reverse voltage protection available with
A2S(Chassis mounting) or A4S(DIN-Rail
mounting)
Patent Protection RoHS
International standard pin-out
VRB_LD-50W series products are of 50W output power, wide range of voltage input of 18-36VDC, 36-75VDC, isolation voltage of 1500VDC,
output over-voltage protection and output short circuit protection with the six-sided metal shielding package; these products are widely
used in fields such as industrial control, electric power, instruments and communication.
Selection Guide
Input Voltage
②
Output
Efficiency
(%,Min./Typ.)
@ Full Load
(VDC)
Nominal
(Range)
Max. Capacitive Load
(µF)
①
Part No.
Output Voltage
(VDC)
Output Current (mA)
(Max./Min.)
10000/500
10000/500
4167/208
3333/167
2083/104
10000/500
10000/500
4167/208
3333/167
2083/104
VRB2403LD-50W
VRB2405LD-50W
VRB2412LD-50W
VRB2415LD-50W
VRB2424LD-50W
VRB4803LD-50W
VRB4805LD-50W
VRB4812LD-50W
VRB4815LD-50W
VRB4824LD-50W
3.3
5
89/91
91/93
91/93
91/93
89/91
89/91
91/93
91/93
91/93
90/92
27000
18900
3700
2000
1000
27000
18900
3700
2000
1000
24
(18-36)
12
15
24
3.3
5
48
(36-75)
12
15
24
Note:
1
Series with suffix “H” are heat sink mounting, such as VRB2405LD-50WH; series with suffix “A2S” are chassis mounting, with suffix “A4S” are DIN-Rail mounting,
for example VRB2405LD-50WA2S is chassis mounting, VRB2405LD-50WA4S is DIN-Rail mounting; If the application has a higher requirement for heat dissipation,
you can choose modules with heat sink;
2
The efficiency of "A2S" and "A4S" is approx. 2% lower for the protection of inverse polarity.
Input Specifications
Item
Operating Conditions
3.3V output
Min.
--
Typ.
Max.
1545/55
2289/105
2289/105
2289/105
2341/65
773/35
1144/55
1144/55
1144/70
1157/50
--
Unit
1511/42
2240/59
2240/85
2240/90
2289/45
756/30
1120/50
1120/34
1120/50
1132/30
40
5V output
--
24VDC input
12V output
15V output
24V output
3.3V output
5V output
--
--
--
Input Current
(full load / no-load)
--
mA
--
48VDC input
12V output
15V output
24V output
--
--
--
24VDC input
48VDC input
24VDC input
48VDC input
--
Reflected Ripple Current
--
30
--
-0.7
-0.7
--
--
50
Input impulse Voltage
(1sec. max.)
VDC
100
2016.05.10-B/0
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