FEATURES
● Efficiency up to 90%
● 2:1 wide input voltage range
● Low temperature rise
● Short circuit protection
● 1.5KVDC isolation
VRA_LD-15WR2 & VRB_LD-15WR2 SERIES
15W,WIDE INPUT, ISOLATED & REGULATED
DUAL/SINGLE OUTPUT DC-DC CONVERTER
● Operating temperature range:
-40°C ~ +85°C
● Six-sided metal shield
● Industry standard pinout
● Industrial level specifications
● Meet CISPR22/EN55022 CLASS A
Patent Protection RoHS
PART NUMBER SYSTEM
VRB2405LD-15WR2
APPLICATION
VRA_LD-15WR2 & VRB_LD-15WR2 series are
applied to wide voltage range input situation such as
data transmission device 、 battery power supply
device、telecommunication device、distributed power
supply system 、remote control system 、industrial
robot system etc.
Rated Power
Package Style
Output Voltage
Input Voltage
Product Series
SELECTION GUIDE
Reflected
Ripple
Current
(mA,typ.)
Efficiency
(%, typ.)
@Max.
Load
Input Voltage(VDC)
Output Current (mA) Input Current (mA)(typ.)
Output
Voltage
(VDC)
Max.
Model Number
Capacitive
Nominal
Max**
@Max.
Load
Load# (µF)
Max.
Min.
@No Load
(Range)
*VRA1205LD-15WR2
*VRA1212LD-15WR2
*VRA1215LD-15WR2
*VRA1224LD-15WR2
VRB1203LD-15WR2
VRB1205LD-15WR2
VRB1212LD-15WR2
VRB1215LD-15WR2
VRB1224LD-15WR2
*VRA2405LD-15WR2
*VRA2412LD-15WR2
*VRA2415LD-15WR2
*VRA2424LD-15WR2
VRB2403LD-15WR2
VRB2405LD-15WR2
VRB2412LD-15WR2
VRB2415LD-15WR2
VRB2424LD-15WR2
*VRA4805LD-15WR2
*VRA4812LD-15WR2
*VRA4815LD-15WR2
*VRA4824LD-15WR2
VRB4803LD-15WR2
VRB4805LD-15WR2
VRB4812LD-15WR2
VRB4815LD-15WR2
*VRB4824LD-15WR2
±5
±12
±15
±24
3.3
5
±1500
±625
±500
±313
4000
3000
1250
1000
625
±75
±32
±25
±16
200
150
63
1453
1420
1420
1420
1465
1405
1405
1405
1389
727
30
25
25
20
65
60
25
25
30
25
20
20
20
35
35
20
20
25
20
15
15
15
35
35
25
15
15
1020
495
86
88
88
88
87
89
89
89
90
86
88
88
88
88
90
89
90
90
86
88
88
88
87
87
89
90
89
165
200
12
20
10500
4020
1035
705
(9-18)
12
15
50
24
32
250
±5
±1500
±625
±500
±313
4000
3000
1250
1000
625
±75
±32
±25
±16
200
150
63
1020
495
±12
±15
±24
3.3
5
710
710
165
710
200
24
40
30
625
10500
4020
1035
705
(18-36)
695
12
703
15
50
695
24
32
695
250
±5
±1500
±625
±500
±313
4000
3000
1250
1000
625
±75
±32
±25
±16
200
150
63
363
1020
495
±12
±15
±24
3.3
5
355
355
165
355
200
48
80
316
10500
4020
1035
705
(36-75)
360
12
352
15
50
348
24
32
352
250
Note:1. *Designing. **Input voltage can’t exceed this value, or will cause the permanent damage.
2. # For each output.
3. Add suffix “H” for heat sink mounted, for example VRA2405LD-15WHR2.
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