DC/DC Converter
WRE_S - 3WR2 & WRF_S - 3WR2 Series
48
(36-75)
CE
WRF4815S-3WR2
80
15
200/10
70/100
82/84
470
Notes: ①Exceeding the maximum input voltage may cause permanent damage;
②For the dual output modules, the capacitive loads of positive and negative outputs are the same.
Input Specifications
Item
Operating Conditions
5VDC Input
Min.
--
Typ.
800/60
277/25
314/25
140/8
154/8
69/3
78/3
20
Unit
Max.
846/65
286/30
338/30
145/13
163/13
72/10
85/10
--
3.3V Output
Others
--
12VDC Input
24VDC Input
48VDC Input
--
Input Current (full load/no-load)
3.3V Output
Others
--
--
3.3V Output
Others
--
mA
--
5VDC Input
12VDC Input
24VDC Input
48VDC Input
5VDC Input
12VDC Input
24VDC Input
48VDC Input
5VDC Input
12VDC Input
24VDC Input
48VDC Input
--
--
20
--
Reflected Ripple Current
Input Impulse Voltage (1sec. max.)
Starting Voltage
--
55
--
--
55
--
-0.7
-0.7
-0.7
-0.7
3.5
4.5
11
24
--
12
--
25
--
50
--
100
4.5
VDC
4
8
9
16
18
33
36
Input Filter
Hot Plug
Filter capacitor
Unavailable
Module turn-on
Module turn-off
The Ctrl end is suspended or of high resistance
Connect with high level (relative to the input
grounding) to make the 5-10mA current flows into
the Ctrl end.
Ctrl function*
Note: * For use of Ctrl, please refer to the “design reference” in this manual.
Output Specifications
Item
Operating Conditions
5%-100% load
Min.
--
Typ.
±1
Max.
±3
Unit
%
Output Voltage Accuracy
No-load Output Voltage Accuracy
Balance of Output Voltage
Line Regulation
Input voltage range
--
±1.5
±0.5
±0.2
±0.4
0.5
±5
Dual output, balanced load
Full load, the input voltage is from low to high
5%-100% load
--
±1
--
±0.5
±0.75
3
Load Regulation
--
Transient Recovery Time
Transient Response Deviation
Temperature Coefficient
Ripple & Noise *
--
ms
%
25% load step change
--
±2.5
±0.02
±5
%/℃
Full load
--
±0.03
20MHz bandwidth
See Selection Guide
Short Circuit Protection
Continuous, self-recovery
Note: *Ripple and noise are measured by “parallel cable” method, please see DC-DC Converter Application Notes for specific operation.
1
The WRF1203S-3WR2 and WRF4803S-3WR2 maximum no-load voltage accuracy is 8%,Other products output voltage of 3.3VDC, 5VDC,±3.3VDC,±5 VDC
output voltage accuracy max is ±5%。
2
The WRE2405S-3WR2 ripple maximum is 65 mVp-p。
2016.01.25-B/0
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