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WRA0512S-3WR2 Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd.

Part # WRA0512S-3WR2
Description  DUAL/SINGLE OUTPUT DC-DC CONVERTER
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Manufacturer  MORNSUN [MORNSUN Science& Technology Ltd.]
Direct Link  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

WRA0512S-3WR2 Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd.

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The copyright and authority for the interpretation of the products are reserved by MORNSUN
WRA_S-3WR2 & WRB_S-3WR2
2013.07.22-A/3
Page 2 of 7
WRA4805S-3WR2
±5
±300
±15
79
1000
79
WRA4812S-3WR2
±12
±125
±6
76
470
82
WRA4815S-3WR2
±15
±100
±5
76
330
82
WRB4803S-3WR2
3.3
758
38
70
2700
75
WRB4805S-3WR2
5
600
30
82
2200
76
WRB4812S-3WR2
12
250
13
78
680
80
WRB4815S-3WR2
15
200
10
75
470
84
WRB4824S-3WR2
48
(36-75)
80
24
125
6
76
7
45
330
82
Note: ①. Absolute maximum rating without damage on the converter, but it isn't recommended;
②. For dual output converter, the given value is the same for each output.
INPUT SPECIFICATIONS
Item
Test Conditions
Min.
Typ.
Max.
Unit
5V input
-0.7
--
12
12V input
-0.7
--
25
24V input
-0.7
--
50
Input Surge Voltage (1sec. max.)
48V input
-0.7
--
100
5V input
3.5
4
4.5
12V input
4.5
8
9
24V input
11
16
18
Start-up Voltage
48V input
24
33
36
VDC
Input Filter
C Filter
Models ON
Ctrl open or be insulated
Ctrl*
Models OFF
Connect high level voltage, and ensure the current into Ctrl
to be 5-10mA
Note: *Please refer to "DESIGN CONSIDERATIONS" as the direction for use of Ctrl.
OUTPUT SPECIFICATIONS
Item
Test Conditions
Min.
Typ.
Max.
Unit
Output Voltage Accuracy
5% to 100% load
--
±1
±3
No-load Output Voltage Accuracy
Input voltage range
--
±1.5
±5
Output Voltage Balance
Dual output, balanced loads
--
±0.5
±1
Line Regulation
Full load, Input voltage from low to high
--
±0.2
±0.5
Load Regulation
5% to 100% load
--
±0.6
±1
%
Transient Recovery Time
--
0.5
3
ms
Transient Response Deviation
25% load step change
--
±2.5
±5
%
Temperature coefficient
100% load
--
±0.02
±0.03
%/
°C
Ripple
--
30
45
Noise
20MHz Bandwidth
--
35
75
mVp-p
Output Short Circuit Protection
Continuous, automatic recovery
Note:
.
① The max. no-load output voltage accuracy for WRB1203S-3WR2 and WRB4803S-3W R2 is
±8%;
.
② Ripple and noise tested with "parallel cable" method. See detailed operation instructions at DC-DC application notes;
The max. output ripple for W RA2405S-3W R2 is 65mVp-p.
COMMON SPECIFICATIONS
Item
Test Conditions
Min.
Typ.
Max.
Unit
Isolation Voltage
Tested for 1 minute, leakage current less than 1 mA
1500
--
--
VDC
Isolation Resistance
Test at 500VDC
1000
--
--
M
Ω
Isolation Capacitance
Input/Output,100KHz/0.1V
--
120
--
pF
Switching Frequency(PFM Mode) 100% load, Nominal Input voltage
--
250
--
KHz
MTBF
MIL-HDBK-217F@25℃
1000
--
--
K hours
Case Material
Plastic(UL94-V0)
Weight
--
4.9
--
g
ENVIRONMENTAL SPECIFICATIONS
Item
Test Conditions
Min.
Typ.
Max.
Unit
Storage Humidity
Non condensing
--
--
95
%
Operating Temperature
Power derating (above85℃,see Figure 5)
-40
--
85
°C


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