WRE4805S-3WR2
WRE4812S-3WR2
WRE4815S-3WR2
WRF4803S-3WR2
WRF4805S-3WR2
WRF4812S-3WR2
WRF4815S-3WR2
WRF4824S-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
77
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.
12
Unit
5V input
12V input
24V input
48V input
5V input
--
25
Input Surge Voltage (1sec. max.)
--
50
--
100
4.5
9
VDC
4
12V input
24V input
48V input
8
Start-up Voltage
16
33
18
24
36
Input Filter
Ctrl*
C Filter
Ctrl open or be insulated
Connect high level voltage, and ensure the current into Ctrl to be 5-10mA
Models ON
Models OFF
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
--
50
100
Noise
Output Short Circuit Protection
Continuous, automatic recovery
Note: ①.The max. no-load output voltage accuracy for WRF1203S-3WR2 and WRF4803S-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 WRE2405S-3WR2 is 65mVp-p.
COMMON SPECIFICATIONS
Item
Test Conditions
Min.
3000
1000
--
Typ.
--
Max.
--
Unit
VDC
MΩ
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Input-Output, Tested for 1 minute, leakage current less than 1 mA
Input-Output, Test at 500VDC
--
--
Input-Output, 100KHz/0.1V
30
250
--
50
--
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
--
--
Power derating (above85℃, see Figure 5)
-40
85
°C
The copyright and authority for the interpretation of the products are reserved by MORNSUN
WRE_S-3WR2 & WRF_S-3WR2 2013.07.26-A/3 Page 2 of 7