VRA_LD-15W & VRB_LD-15W Series
15W, WIDE INPUT , ISOLATED & REGULATED
SINGLE/DUAL OUTPUT DC-DC CONVERTER
FEATURES
●
Efficiency up to 87%
●
Wide (2:1) Input Range
●
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
multi-country patent protection
RoHS
PRODUCT PROGRAM
Input
Part
Number
VRA1205LD-15W
VRA1212LD-15W
VRA1215LD-15W
VRB1203LD-15W
VRB1205LD-15W
VRB1212LD-15W
VRB1215LD-15W
VRA2405LD-15W
VRA2412LD-15W
VRA2415LD-15W
VRB2403LD-15W
24
18 -36
40
12
9 -18
20
Voltage (VDC)
Nominal
Range
Max*
Output
Voltage
(VDC)
±5
±12
±15
3.3
5
12
15
±5
±12
±15
3.3
5
12
15
±5
±12
±15
48
36-75
80
3.3
5
12
15
Current
(mA)
±1500
±625
±500
4000
3000
1250
1000
±1500
±625
±500
4000
3000
1250
1000
±1500
±625
±500
4000
3000
1250
1000
Efficiency Capacitor
(%)
Load Max
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
±1020
±495
±165
10500
4020
1035
705
±1020
±495
±165
10500
4020
1035
705
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
industrial,
test
suited to tele-communications,
equipments power.
VRB2405LD-15W
VRB2412LD-15W
VRB2415LD-15W
VRA4805LD-15W
VRA4812LD-15W
VRA4815LD-15W
VRB4803LD-15W
VRB4805LD-15W
VRB4812LD-15W
VRB4815LD-15W
* Input voltage can’t exceed this value, or will cause the permanent damage.
INPUT SPECIFICATIONS
MODEL SELECTION
Item
Start-up voltage
Input filter
Start-up time
Ctrl
On
Off
10
3.5 - 40VDC or open
0-1.2VDC
Test conditions
12 Vin models
24 Vin models
48 Vin models
L-C
mS
Min.
Typ.
Max.
9
17.8
35.8
VDC
Units
VRB2405LD-15W
Rated Power
Package Style
Output Voltage
Input Voltage
Product Series
OUTPUT SPECIFICATIONS
Item
Output voltage accuracy
MORNSUN Science & Technology co.,Ltd.
Address: 2th floor 6th building, Huangzhou Industrial
District, Guangzhou, China
Tel: 86-20-38601850
Fax: 86-20-38601272
Test conditions
Refer to recommended circuit
From 10% to 100% load
Input voltage from low to high
20MHz Bandwidth
25% load step change
Input voltage range
Input voltage range
Min.
Typ.
±1
±0.5
±0.2
75
200
±3
Max.
±3
±1
±0.5
±5
150
300
±5
150
Units
Load regulation
Line regulation
Cross regulation(Dual)
Ripple and noise
Transient recovery time
Transient peak deviation
Over current protection
Output Short Circuit
Trim
Temperature drift (Vout)
%
mV
uS
%Vo
%
120
130
±10%Vo
±0.02
Hiccup, automatic recovery
VDC
±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
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MORNSUN [ MORNSUN SCIENCE& TECHNOLOGY LTD. ]
