FEATURES
● Efficiency up to 87%
● 2:1 wide input range
● 1.5KVDC isolation
● Over voltage protection
● Over current protection
● Output short circuit protection
● Operating temperature range: -40°C ~ +85°C
● Metal shielding package
● Industry standard pinout
VRA_D-20W & VRB_D-20W SERIES
20W, WIDE INPUT, ISOLATED & REGULATED
SINGLE&DUAL OUTPUT DC-DC CONVERTER
Patent Protection RoHS
APPLICATIONS
PART NUMBER SYSTEM
The VRA_D-20W & VRB_D-20W series offer 20W of
output, with 2:1 wide input voltage range of 9-18, 18-36 and
36-75VDC, and features 1500VDC isolation, over current, over
voltage and short circuit protection. All models are particularly
suitable for industrial, telecommunication, electric power, test
equipments applications.
VRA2405D-20W
Rated Power
Package Style
Output Voltage
Input Voltage
Product Series
SELECTION GUIDE
Reflected
Ripple
Current
(mA,typ.)
Input Voltage(VDC)
Output Current (mA) Input Current (mA)(typ.)
Output
Voltage
(VDC)
Max.
Efficiency
(%, typ.)
@Max. Load
Model Number
Capacitive
Nominal
Max*
@Max.
Load
Load# (µF)
Max.
Min.
@No Load
(Range)
19
29
36
31
66
23
12
23
52
19
24
24
28
41
45
31
29
24
37
29
16
19
19
10
13
21
17
10
13
16
VRA1205D-20W
VRA1212D-20W
VRA1215D-20W
VRA1224D-20W
VRB1203D-20W
VRB1205D-20W
VRB1212D-20W
VRB1215D-20W
VRB1224D-20W
VRA2405D-20W
VRA2412D-20W
VRA2415D-20W
VRA2424D-20W
VRB2403D-20W
VRB2405D-20W
VRB2409D-20W
VRB2412D-20W
VRB2415D-20W
VRB2418D-20W
VRB2424D-20W
VRA4805D-20W
VRA4812D-20W
VRA4815D-20W
VRA4824D-20W
VRB4803D-20W
VRB4805D-20W
VRB48C6D-20W
VRB4812D-20W
VRB4815D-20W
VRB4824D-20W
±5
±2000
±833
±666
±416
5400
4000
1666
1333
833
±200
±83
±67
82
1990
1919
1917
1905
1750
1983
1914
1939
1922
990
3400
680
80
82
82
82
86
79
81
82
83
81
86
86
84
86
81
85
83
85
86
85
81
86
86
84
87
83
83
84
84
86
±12
450
±15
±24
3.3
300
12
20
10
540
400
167
133
83
7500
4000
1500
500
(9-18)
5
12
15
24
±5
±12
500
±2000
±833
±666
±416
5400
4000
2222
1666
1333
1111
±200
±83
±67
84
3400
680
939
937
450
±15
±24
3.3
5
960
300
825
540
400
222
167
133
111
85
13000
6800
4700
2200
755
24
40
20
1036
957
(18-36)
9
969
12
958
15
955
18
680
950
24
833
500
±5
±2000
±833
±666
±416
5400
4000
3225
1666
1333
833
±200
±83
±67
84
487
3400
680
478
±12
±15
487
450
459
±24
3.3
5
300
419
540
400
323
167
133
86
13000
6800
6800
2200
755
48
80
10
(36-75)
497
6.2
12
15
24
498
476
482
476
500
Note: 1.*Input voltage can’t exceed this value, or will cause the permanent damage.
2. # For each output.
The copyright and authority for the interpretation of the products are reserved by MORNSUN
VRA_D-20W&VRB_D-20W
B/2-2012 Page 1 of 6