VRA_LD-15W & VRB_LD-15W Series
15W, WIDE INPUT , ISOLATED & REGULATED
SINGLE/DUAL OUTPUT DC-DC CONVERTER
multi-country patent protection RoHS
FEATURES
PRODUCT PROGRAM
Input
Voltage (VDC)
Nominal Range
Output
● Efficiency up to 87%
● Wide (2:1) Input Range
Part
Number
Efficiency Capacitor
Voltage
(VDC)
Current
(mA)
(%)
Load Max
● 1.5KVDC Input/Output Isolation
● Short Circuit Protection(automatic recovery)
● Operating Temperature: -40°C to +85°C
● Internal SMD construction
● Metal Shielding Package
● Industry Standard Pin out
● MTBF>1,000,000 hours
● RoHS Compliance
Max*
20
VRA1205LD-15W
VRA1212LD-15W
VRA1215LD-15W
VRB1203LD-15W
VRB1205LD-15W
VRB1212LD-15W
VRB1215LD-15W
VRA2405LD-15W
VRA2412LD-15W
VRA2415LD-15W
VRB2403LD-15W
VRB2405LD-15W
VRB2412LD-15W
VRB2415LD-15W
VRA4805LD-15W
VRA4812LD-15W
VRA4815LD-15W
VRB4803LD-15W
VRB4805LD-15W
VRB4812LD-15W
VRB4815LD-15W
±5
±12
±15
3.3
5
±1500
±625
±500
4000
3000
1250
1000
±1500
±625
±500
4000
3000
1250
1000
±1500
±625
±500
4000
3000
1250
1000
82
85
85
79
82
85
84
84
86
86
80
83
85
85
85
87
87
81
83
86
86
±1020
±495
±165
10500
4020
1035
705
12
24
48
9 -18
18 -36
36-75
12
15
±5
±1020
±495
±165
10500
4020
1035
705
±12
±15
3.3
5
40
APPLICATION
The VRA_LD-15W & VRB_LD-15W series offer
15W of output, the VRA_LD-15W & VRB_LD-15W
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.
12
15
±5
±1020
±495
±165
10500
4020
1035
705
±12
±15
3.3
5
80
12
15
* Input voltage can’t exceed this value, or will cause the permanent damage.
INPUT SPECIFICATIONS
Item
Test conditions
12 Vin models
24 Vin models
48 Vin models
Min.
Typ.
Max.
Units
VDC
MODEL SELECTION
9
VRB2405LD-15W
Start-up voltage
17.8
35.8
Rated Power
Package Style
Output Voltage
Input Voltage
Product Series
Input filter
L-C
Start-up time
10
mS
On
Off
3.5 - 40VDC or open
0-1.2VDC
Ctrl
OUTPUT SPECIFICATIONS
Item
Test conditions
Min.
Typ.
±1
Max.
±3
Units
%
Output voltage accuracy Refer to recommended circuit
MORNSUN Science & Technology co.,Ltd.
Address: 2th floor 6th building, Huangzhou Industrial
District, Guangzhou, China
Tel: 86-20-38601850
Fax: 86-20-38601272
Load regulation
From 10% to 100% load
±0.5
±0.2
±1
Line regulation
Input voltage from low to high
±0.5
±5
Cross regulation(Dual)
Ripple and noise
20MHz Bandwidth
75
150
mV
uS
Http://www.mornsun-power.com
Transient recovery time
Transient peak deviation
Over current protection
Output Short Circuit
Trim
200
±3
300
±5
25% load step change
%Vo
%
Input voltage range
Input voltage range
120
130
150
Hiccup, automatic recovery
±10%Vo
VDC
Temperature drift (Vout)
±0.02 ±0.03 %/°C
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
VRA_LD-15W & VRB_LD-15W
A/4-2009
Page 1 of 3