WRA4805S-3WR2
WRA4812S-3WR2
WRA4815S-3WR2
WRB4803S-3WR2
WRB4805S-3WR2
WRB4812S-3WR2
WRB4815S-3WR2
WRB4824S-3WR2
±5
±12
±15
3.3
5
±300
±125
±100
758
±15
±6
±5
38
30
13
10
6
79
76
76
70
82
78
75
76
1000
470
79
82
82
75
76
80
84
82
330
2700
2200
680
48
(36-75)
80
7
45
600
12
250
15
200
470
24
125
330
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.
-0.7
-0.7
-0.7
-0.7
3.5
4.5
11
Typ.
--
Max.
Unit
5V input
12
25
50
100
4.5
9
12V input
24V input
48V input
5V input
--
Input Surge Voltage (1sec. max.)
--
--
VDC
4
12V input
24V input
48V input
8
Start-up Voltage
16
33
18
36
24
Input Filter
Ctrl*
C Filter
Models ON
Models OFF
Ctrl open or be insulated
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.
±1
Max.
±3
Unit
%
Output Voltage Accuracy
5% to 100% load
①
Input voltage range
--
±1.5
±0.5
±0.2
±0.6
0.5
±5
No-load Output Voltage Accuracy
Output Voltage Balance
Dual output, balanced loads
Full load, Input voltage from low to high
5% to 100% load
--
±1
Line Regulation
--
±0.5
±1
Load Regulation
--
Transient Recovery Time
Transient Response Deviation
Temperature coefficient
--
3
ms
25% load step change
100% load
--
±2.5
±0.02
30
±5
%
--
±0.03
45
%/°C
②
--
Ripple
20MHz Bandwidth
mVp-p
②
--
35
75
Noise
Output Short Circuit Protection
Continuous, automatic recovery
Note:①. The max. no-load output voltage accuracy for WRB1203S-3WR2 and WRB4803S-3WR2 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 WRA2405S-3WR2 is 65mVp-p.
COMMON SPECIFICATIONS
Item
Test Conditions
Min.
1500
1000
--
Typ.
--
Max.
--
Unit
VDC
MΩ
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Tested for 1 minute, leakage current less than 1 mA
Test at 500VDC
--
--
Input/Output,100KHz/0.1V
120
250
--
--
pF
Switching Frequency(PFM Mode) 100% load, Nominal Input voltage
--
--
KHz
MTBF
MIL-HDBK-217F@25℃
1000
--
K hours
Case Material
Weight
Plastic(UL94-V0)
--
4.9
--
g
ENVIRONMENTAL SPECIFICATIONS
Item
Test Conditions
Min.
--
Typ.
Max.
95
Unit
%
Storage Humidity
Operating Temperature
Non condensing
--
--
°C
Power derating (above85℃,see Figure 5)
-40
85
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
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