WRA-YMD-6W&WRB-YMD-6W Series
WIDE INPUT,ISOLATED & REGULATED Dual/Single Output DC/DC Converter
SELECTION GUIDE
Input
Output
Current(MA)
Efficiency
(%,Typ)
order code
Voltage
(VDC)
Voltage(VDC)
Range
Nominal
Max*
Max
Min
WRA0505YMD-6W
WRA0512YMD-6W
WRA0515YMD-6W
WRB0505YMD-6W
WRB0512YMD-6W
WRB0515YMD-6W
WRA1205YMD-6W
WRA1212YMD-6W
WRA1215YMD-6W
WRB1205YMD-6W
WRB1212YMD-6W
WRB1215YMD-6W
WRB1224YMD-6W
WRA2405YMD-6W
WRA2412YMD-6W
WRA2415YMD-6W
WRB2403YMD-6W
WRB2405YMD-6W
WRB2412YMD-6W
WRB2415YMD-6W
WRB2424YMD-6W
WRA4805YMD-6W
WRA4812YMD-6W
WRA4815YMD-6W
WRB4803YMD-6W
WRB4805YMD-6W
WRB4812YMD-6W
WRB4815YMD-6W
5
4.5-9.0
4.5-9.0
11
11
11
11
11
11
20
20
20
20
20
20
20
40
40
40
40
40
40
40
40
80
80
80
80
80
80
80
±600
±250
±200
1200
500
±60
±25
±20
120
50
±5
±12
±15
5
75
80
82
76
80
82
79
82
84
79
82
84
82
81
84
86
78
80
84
86
85
80
84
85
78
80
84
86
5
FEATURES
◆RoHS compliant
5
4.5-9.0
5
4.5-9.0
5
4.5-9.0
12
15
±5
±12
±15
5
◆Efficiency up to 86%
5
4.5-9.0
400
40
12
12
12
12
12
12
12
24
24
24
24
24
24
24
24
48
48
48
48
48
48
48
9.0-18.0
9.0-18.0
9.0-18.0
9.0-18.0
9.0-18.0
9.0-18.0
9.0-18.0
18.0-36.0
18.0-36.0
18.0-36.0
18.0-36.0
18.0-36.0
18.0-36.0
18.0-36.0
18.0-36.0
36.0-72.0
36.0-72.0
36.0-72.0
36.0-72.0
36.0-72.0
36.0-72.0
36.0-72.0
±600
±250
±200
1200
500
±60
±25
±20
120
50
◆DIP Package
◆Wide temperature performance at full
6 Watt load,-40°C to 85°C
◆UL 94V-0 package material
◆No heatsink required
12
15
24
±5
±12
±15
3.3
5
400
40
250
25
±600
±250
±200
1500
1200
500
±60
±25
±20
150
120
50
◆ Low ripple and good EMC Features
◆ Industry standard pinout
◆ Power sharing on output
◆ I/O Isolation 1500VDC
◆ Short Circuit Protection(automatic recovery)
◆ Metal case package
12
15
24
±5
±12
±15
3.3
5
400
40
250
25
±600
±250
±200
1500
1200
500
±60
±25
±20
150
120
50
◆ MTBF>1000000 hours
MODEL SELECTION
⑦
12
15
①
②
③
④
⑤
⑥
400
40
WRB 24 05 Y M D -6W
*Input voltage can't exceed this value,or will cause the permanent damage.
①Product Series
③Output Voltage
⑤Metal Shield
⑦Rated Power
②Input Voltage
④Wide (2:1) Input Range
⑥DIP Package Style
DESCRIPTION
OUTPUT SPECIFICATIONS
The WRA_YMD-6W& WRB_YMD-6W series are specially
designed for applications where a group of polar power
supplies are isolated from the input power supply in a
distributed power supply system on a circuit board.
These products apply to:
Parameter
Test conditions
Min.
0.6
Typ.
Max.
Units
W
Output power
See above products program
Refer to recommended circuit
Refer to recommended circuit
From 10% to 100% full load
Input voltage from low to high
Refer to recommended circuit
20MHz Bandwidth
6
Positive voltage accuracy
Negative voltage accuracy
Load regulation
±1.0
±3.0
±0.5
±0.2
±3.0
±5.0
±1.0
±0.5
±0.03
50
%
%
1) where the voltage of the input power supply is wide
range (voltage range ≤2:1);
%
Line regulation(at full load)
Temperature drift(Vout)
Output Ripple**
%
2) where isolation is necessary between input and output
(isolation voltage ≤1500VDC);
%/°C
MV p-p
MV p-p
Khz
3) where the regulation of the output voltage and the
output ripple noise are demanded.
20
50
Output Noise**
20MHz Bandwidth
100
Switching frequency
100% Full load,input voltage range
300
*
Dual output models unbalanced load (25/100%):±5%Max
* *Test ripple and noise by "parallel cable" method. See detailed operation instructions at Testing of Power
Converter section, application notes.
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