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VRA1212(X)D-10WR2 Datasheet(PDF) 4 Page - MORNSUN Science& Technology Ltd.

Part # VRA1212(X)D-10WR2
Description  negative 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.

VRA1212(X)D-10WR2 Datasheet(HTML) 4 Page - MORNSUN Science& Technology Ltd.

  VRA1212(X)D-10WR2 Datasheet HTML 1Page - MORNSUN Science& Technology Ltd. VRA1212(X)D-10WR2 Datasheet HTML 2Page - MORNSUN Science& Technology Ltd. VRA1212(X)D-10WR2 Datasheet HTML 3Page - MORNSUN Science& Technology Ltd. VRA1212(X)D-10WR2 Datasheet HTML 4Page - MORNSUN Science& Technology Ltd. VRA1212(X)D-10WR2 Datasheet HTML 5Page - MORNSUN Science& Technology Ltd. VRA1212(X)D-10WR2 Datasheet HTML 6Page - MORNSUN Science& Technology Ltd.  
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DC/DC Converter
VRA_(X)D-10WR2 & VRB_(X)D-10WR2 Series
2014.03.27-B/0
Page 4 of 6
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
VRA4805D-
10WR2
50
55
60
65
70
75
80
85
90
95
100
Input Voltage(V)
Efficiency Vs Input Voltage(Full Load)
VRA4805D-
10WR2
20
30
40
50
60
70
80
90
100
10
20
30
40
50
60
70
80
90 100
Output Current Percentage(%)
Efficiency Vs Output Load(Vin=Vin-nominal)
VRB2405D-
10WR2
50
55
60
65
70
75
80
85
90
95
100
Input Voltage(V)
Efficiency Vs Input Voltage(Full Load)
VRB2405D-
10WR2
20
30
40
50
60
70
80
90
100
10
20
30
40
50
60
70
80
90 100
Output Current Percentage(%)
Efficiency Vs Output Load(Vin=Vin-nominal)
Design Reference
1. Typical application
All the DC/DC converters of this series are tested according to the recommended circuit (see Fig. 2) before delivery.
If it is required to further reduce input and output ripple, properly increase the input & output of additional capacitors Cin and Cout or
select capacitors of low equivalent impedance provided that the capacitance is no larger than the max. capacitive load of the product.
DC
DC
Vin
GND
+Vo
0V
Cin
Cout
Vin
GND
+Vo
0V
Cin
Cout
DC
DC
-Vo
Cout
正负双 路
单路
Fig. 2
Vin
Cin
Cout
12V
100μF
10μF
24V&48V
10μF~47μF
2. EMC solution-recommended circuit
LDM1
C0
MOV
FUSE
C1
V in
GND
+
Vin
GND
+Vo
-Vo
(0V)
DCDC
CY1
CY2
C2
Fig. 3
Notes: Part ① in the Fig. 3 is used for EMS test and part ② for EMI filtering; selected
based on needs.
Parameter description
Model
Vin: 12V
Vin: 24V
Vin: 48V
FUSE
Choose according to actual input current
MOV
S14K25
S14K35
S14K60
C0
680μF/25V
330μF/50V
330μF/100V
C1
1μF/50V
1μF/100V
LDM1
4.7μH
CY1
1nF/2KV
CY2
1nF/2KV
C2
Refer to the Cout in Fig.2


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