FEATURES
● Efficiency up to 90%
● 4:1 wide input voltage range
● Low temperature rise
● Short circuit protection
● 1.5KVDC isolation
URA_LD-15WR2 & URB_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
APPLICATION
URB2405LD-15WR2
URA_LD-15WR2 & URB_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.)
@Max.
Output
Voltage
(VDC)
Max.
Model Number
Capacitive
Nominal
Max**
Load# (µF)
Max.
Min.
@No Load
(Range)
Load
727
710
710
633
695
703
703
695
363
355
351
316
351
355
347
±1500
±625
±500
4000
3000
1250
1000
625
±75
±32
±25
200
150
63
20
15
15
45
45
15
15
20
20
15
15
35
35
10
10
4800
800
86
88
88
87
90
89
89
90
86
88
89
87
89
88
90
*URA2405LD-15WR2
*URA2412LD-15WR2
*URA2415LD-15WR2
URB2403LD-15WR2
URB2405LD-15WR2
URB2412LD-15WR2
URB2415LD-15WR2
URB2424LD-15WR2
*URA4805LD-15WR2
*URA4812LD-15WR2
*URA4815LD-15WR2
URB4803LD-15WR2
URB4805LD-15WR2
URB4812LD-15WR2
URB4815LD-15WR2
±5
±12
±15
3.3
5
500
10200
4020
1035
705
24
40
(9-36)
12
50
15
30
31
470
24
±1500
±625
±500
4000
3000
1250
1000
±75
±32
±25
200
150
63
4800
800
±5
±12
±15
3.3
5
500
48
80
10200
4020
1035
705
(18-75)
12
50
15
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 URA2405LD-15WHR2.
INPUT SPECIFICATIONS
Item
Test Conditions
24VDC input
48VDC input
24VDC input
48VDC input
24VDC input
48VDC input
Min.
Typ.
Max.
Unit
VDC
ms
--
--
--
--
--
--
50
100
9
Input Surge Voltage (1sec.max.)
--
Start-up Voltage
--
17.8
--
7.5
16
--
--
Under Voltage Shutdown
Start-up Time
--
Nominal input& constant resistance load
Models ON
--
10
--
Ctrl open or connect TTL high level (2.5-12VDC)
Ctrl connect GND or low level (0-1.2VDC)
Ctrl*
Models OFF
Input current (Models OFF)
--
1
--
mA
The copyright and authority for the interpretation of the products are reserved by MORNSUN
URA_LD-15WR2&URB_LD-15WR2 A/1-2012 Page 1of 7