VRA_D-20W & VRB_D-20W Series
20W, WIDE INPUT, ISOLATED & REGULATED
SINGLE&DUAL OUTPUT DC-DC CONVERTER
multi-country patent protection RoHS
FEATURES
PRODUCT PROGRAM
● Efficiency up to 87%
● Wide (2:1) Input Range
● 1.5KVDC Input/Output Isolation
● Over Voltage protection
Input
Voltage (VDC)
Nominal Range
Output
capacitance
(%, Typ) (max,UF）
Part
Number
Efficiency
Voltage
(VDC)
Current
(mA)
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
VRB2412D-20W
VRB2415D-20W
VRB2424D-20W
VRA4805D-20W
VRA4812D-20W
VRA4815D-20W
VRA4824D-20W *
VRB4803D-20W
VRB4805D-20W
VRB4812D-20W
VRB4815D-20W
VRB4824D-20W
*Designing.
±5
±12
±15
±24
3.3
5
±2000
±833
±666
±416
5400
4000
1666
1333
833
80
82
82
83
86
79
81
82
83
81
86
86
86
86
81
83
85
85
81
86
86
86
87
83
84
84
86
±3400
±680
±450
±220
13000
6800
2200
755
● Output Short Circuit Protection
● Operating Temperature: -40°C to +71°C
● Internal SMD construction
● Metal Shielding Package
● Industry Standard Pin out
● MTBF>1,000,000 hours
● RoHS Compliance
12
24
48
9-18
12
15
24
500
±5
±2000
±833
±666
±416
5400
4000
1666
1333
833
±3400
±680
±450
±220
13000
6800
2200
755
±12
±15
±24
3.3
5
Application
The VRA_D-20W & VRB_D-20W series offer
20W of output, the VRA_D-20W & VRB_D-20W
series 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 tele-communications, industrial, test
equipments power.
18-36
12
15
24
500
±5
±2000
±833
±666
±416
5400
4000
1666
1333
833
±3400
±680
±450
±220
13000
6800
2200
755
±12
±15
±24
3.3
5
36-75
MODEL SELECTION
VRB1203D-20W
12
Rated Power
Package Style
Output Voltage
15
24
500
Input Voltage
Product Series
INPUT SPECIFICATIONS
Item
Test conditions
Min
8.6
Typ
8.8
17.8
35
Max
9
Units
VDC
12Vinput models
24Vinput models
48Vinput models
Start voltage
17.5
34
18
36
MORNSUN Science& Technology co.,Ltd.
Address: 2th floor 6th building, Huangzhou
Industrial District, Guangzhou, China
Tel: 86-20-38601850
Fax:86-20-38601272
Http://www.mornsun-power.com
Input filter
L-C
20
Start up time
MS
on
off
3.5-40VDC or open circuit
GND or Low Voltage(<1.2V)
Method of Remote
(Reference point: GND)
MORNSUN reserves the copyright
Specifications subject to change without notice
VRB_D-20W＆VRA_D-20W
A/3-2008
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MORNSUN [ MORNSUN SCIENCE& TECHNOLOGY LTD. ]
