PRODUCT FEATURES
● Efficiency up to 86%
● 2:1 wide input voltage range
● No heat sink required
● 1.5KVDC input/output isolation
● Short circuit protection
VRA_LD-15W & VRB_LD-15W Series
15W, WIDE INPUT , ISOLATED & REGULATED
SINGLE/DUAL OUTPUT DC-DC CONVERTER
(automatic recovery)
● Operating temperature: -40°C ~ +85°C
● Internal SMD construction
● Metal shielding package
● Industry standard pinout
● MTBF>1,000,000 hours
● RoHS Compliance
Patent Protection RoHS
MODEL SELECTION
APPLICATIONS
VRB2405LD-15W
The VRA_LD-15W & VRB_LD-15W series offer 15W
of output, with 2:1 wide input voltage of 9-18, 18-36 and
36-75VDC, and features 1500VDC isolation, short-circuit
and over current protection, as well as six-sided shielding.
All models are particularly suited to industrial,
tele-communications, electric power, test equipments.
Rated Power
Package Style
Output Voltage
Input Voltage
Product Series
PRODUCT PROGRAM
Reflected
Ripple
Current
(mA,typ.)
Input Voltage(VDC)
Output Current (mA) Input Current (mA)(typ.)
Output
Voltage
(VDC)
Max.
Capacitive
Load(µF)
Efficiency
(%, typ.)
@Max. Load
Model Number
Nominal
Max*
@Max.
Load
Max.
Min.
@No Load
(Range)
VRA1205LD-15W
VRA1212LD-15W
±5
±1500
±625
±150
1530
1475
45
40
±1020
±495
83
85
±12
±62.5
1470
1505
1370
1505
1440
1450
40
55
25
30
30
30
VRA1215LD-15W
VRA1224LD-15W
VRB1203LD-15W
VRB1205LD-15W
VRB1212LD-15W
VRB1215LD-15W
±15
±24
3.3
5
±500
±315
4000
3000
1250
1000
±50
±32
400
300
125
100
±165
±200
10500
4020
1035
705
85
83
79
81
85
83
12
20
100
(9 -18)
12
15
1480
750
45
25
20
VRB1224LD-15W
VRA2405LD-15W
VRA2412LD-15W
24
±5
625
±1500
±625
62.5
±150
±62.5
250
±1020
±495
84
83
86
720
±12
720
760
690
745
720
710
25
30
15
15
25
25
VRA2415LD-15W
VRA2424LD-15W
VRB2403LD-15W
VRB2405LD-15W
VRB2412LD-15W
VRB2415LD-15W
±15
±24
3.3
5
±500
±315
4000
3000
1250
1000
±50
±32
400
300
125
100
±165
±200
10500
4020
1035
705
86
84
80
82
85
85
24
40
200
(18-36)
12
15
750
380
365
30
20
20
VRB2424LD-15W
VRA4805LD-15W
VRA4812LD-15W
24
±5
625
±1500
±625
62.5
±150
±62.5
250
±1020
±495
84
83
85
±12
365
345
375
365
360
350
15
10
20
20
10
10
VRA4815LD-15W
VRB4803LD-15W
VRB4805LD-15W
VRB4809LD-15W
VRB4812LD-15W
VRB4815LD-15W
±15
3.3
5
±500
4000
3000
1666
1250
1000
±50
400
300
167
125
100
±165
10500
4020
2200
1035
705
85
81
83
84
85
86
48
80
200
(36-75)
9
12
15
Note: 1.*Input voltage can’t exceed this value, or will cause the permanent damage.
2. Add suffix “H” for heat sink mounted, for example VRB2405LD-15WH.
The copyright and authority for the interpretation of the products are reserved by MORNSUN
VRA_LD-15W&VRB_LD-15W B/2-2012 Page 1 of 7