DC/DC Converter
WRE_P- 3WR2 & WRF_P- 3WR2 Series
WRE4815P-3WR2
WRF4805P-3WR2
WRF4812P-3WR2
WRF4815P-3WR2
±15
5
±100/±5
600/30
250/12
200/10
85
82
86
86
1000
4700
2700
2200
48
(36-75)
80
--
12
15
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
Operating Conditions
5VDC input
Min.
--
Typ.
Max.
Unit
mA
811/40
309/30
155/15
77/5
20
12VDC input
24VDC input
48VDC input
5VDC input
Input Current (full load/no-load)
--
12VDC input
24VDC input
48VDC input
5VDC input
30
Reflected Ripple Current
--
--
30
30
--
12
25
12VDC input
24VDC input
48VDC input
--
Input impulse Voltage (1sec. max.)
-0.7
--
--
50
--
100
VDC
5VDC input
--
4.5
12VDC input
24VDC input
48VDC input
--
--
--
--
--
--
9
Starting Voltage
Input Filter
18
36
Pi filter
Output Specifications
Item
Operating Conditions
Min.
--
Typ.
Max.
Unit
%
Output Voltage Accuracy
No load output Voltage Accuracy
Balance of Output Voltage
±1
±3
±5
±1
--
Input voltage range
±1.5
±0.5
Dual output, balanced load
--
Full load, the input voltage is from low voltage to
high voltage
Linear Regulation
--
±0.2
±0.5
Load Regulation
5%-100% load
--
--
--
--
--
±0.2
0.5
±0.5
2
Transient Recovery Time
Transient Response Deviation
Temperature Coefficient
Ripple&Noise*
ms
%
25% load step change
±2
±5
Full load
±0.02
50
±0.03
80
%/°C
mV p-p
20MHz bandwidth
Input voltage range
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.
General Specifications
Item
Operating Conditions
Min.
Typ.
--
Max.
--
Unit
Input-output, with the test time of 1 minute and the
leak current lower than 1mA
Insulation Voltage
3000
VDC
Insulation Resistance
Isolation Capacitance
Operating Temperature
Storage Temperature
Casing Temperature Rise
Input-output, isolation voltage 500VDC
Input-output, 100KHz/0.1V
1000
--
--
30
--
--
50
85
125
--
MΩ
pF
Derating if the temperature is ≥85°C (see Fig. 1)
-40
-55
--
℃
--
Ta=25℃
25
2014.03.26-A/4
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