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VRA1205LD-20W Datasheet, PDF (1/4 Pages) MORNSUN Science& Technology Ltd. – REGULATED DUAL OUTPUT DC-DC CONVERTER
VRA_LD-20W Series
20W, 2:1 WIDE INPUT ISOLATED &
REGULATED
DUAL OUTPUT DC-DC CONVERTER
Patent Protection RoHS
FEATURES
● Efficiency up to 89%
● Wide input voltage range(2:1)
● Good low and high temperature features
● Output short circuit protection
● Isolation voltage:1500VDC
● Operating temperature:-40℃~+85℃
● Internal SMD construction
● Six-sided metal shield
● Industry standard pinout
● MTBF>1,000,000 hours
● Industrial level specifications
● EMC application
APPLICATION
VRA_LD-20W series offer 20W of
output, wide input voltage: 9-18VDC,
18-36VDC, 36-75VDC,Dual output, and
features 1500VDC isolation, Under
voltage lockout, over current, over
voltage and short circuit protection. All
models are particularly suited to
tele-communications, industrial, test
equipments power etc.
PRODUCT PROGRAM
Model
Input
Voltage (VDC)
Nominal Range Max(1)
Output
Voltage
(VDC)
Rated
Current
(2) (mA)
Capacitor
Load Efficiency
Max (3) (%, Typ)
(µF)
VRA1205LD-20W
±5
±2000 ±4800
84
VRA1212LD-20W
12
9~18
20
VRA1215LD-20W
±12
±15
±833
±800
88
±667
±500
88
VRA1224LD-20W
±24
±416
±300
87
VRA2405LD-20W
±5
±2000 ±4800
84
VRA2412LD-20W
VRA2415LD-20W
24 18~36 40
±12
±15
±833
±800
89
±667
±500
88
VRA2424LD-20W
±24
±416
±300
87
VRA4805LD-20W
±5
±2000 ±4800
85
VRA4812LD-20W
VRA4815LD-20W
48 36~75 80
±12
±15
±833
±800
87
±667
±500
88
VRA4824LD-20W
±24
±416
±300
87
Note: Add suffix “H” for heat sink mounted, for example VRA2405LD-20WH.
COMMON SPECIFICATIONS
Item
Test conditions
Storage Humidity
Operating Temperature
Min. Typ. Max.
5
--
95
-40 --
85
Units
%
Storage Temperature
Maximum Case Temp. On working temperature
-55 -- 125
℃
--
-- 105
Lead Temperature
1.5mm from case for 10S
--
-- 300
MODEL SELECTION
VRA2405LD-20W
Insulation Voltage
Test time:1min,Leakage current: < 1mA 1500 --
--
VDC
Isolation Resistance Isolation voltage :500VDC
1000 --
--
MΩ
Rated Power
Package
Outp ut Vo ltag e
Inp ut Vo ltage
Product Series
Isolation Capacitance
Switching Frequency
MTBF
Weight
100kHz/0.1V
100% load, nominal input voltage
MIL-HDBK-217F
Without heatsink
With heatsink
-- 2000 --
-- 400 --
1000 --
--
--
28
--
--
36
--
pF
kHz
K.hours
g
Cooling
Free air convection
Case Material
Aluminum Alloy
MORNSUN Science & Technology Co.,Ltd.
Address: No. 5, Kehui St. 1, Kehui development
center, Science Ave., Guangzhou Science City,
Luogang district, Guangzhou,P.R.China.
Tel: 86-20-38601850
Fax:86-20-38601272
E-mail: info@mornsun.cn
Http://www.mornsun-power.com
INPUT SPECIFICATIONS
Item
Test conditions
Nominal Input
(12V)
Models ON
Models OFF
Under Voltage
Lockout
Nominal Input
(24V)
Models ON
Models OFF
Nominal Input
(48V)
Models ON
Models OFF
Input Filter
Start-up Time Nominal input& constant resistance load
Models ON
Ctrl(4)
Models OFF
Input current (Models OFF)
Min. Typ. Max. Units
--
--
9.0
7.8
--
--
--
-- 17.8
VDC
16.0 --
--
--
-- 33.5
32.0 --
--
Pi
--
10
--
ms
3.5 -12VDC OR Open Circuit
0-1.2VDC
--
--
1
mA
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
VRA_LD-20W 2013.06.13-A/3 Page 1 of 4