WRA-YMD-10W＆WRB-YMD-10W Series
2:1 WIDE INPUT,ISOLATED®ULATED 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-10W
WRA0509YMD-10W
WRA0512YMD-10W
WRA0515YMD-10W
WRB0505YMD-10W
WRB0509YMD-10W
WRB0512YMD-10W
WRB0515YMD-10W
WRA1205YMD-10W
WRA1209YMD-10W
WRA1212YMD-10W
WRA1215YMD-10W
WRB1203YMD-10W
WRB1205YMD-10W
WRB1209YMD-10W
WRB1212YMD-10W
WRB1215YMD-10W
WRB1224YMD-10W
WRA2405YMD-10W
WRA2409YMD-10W
WRA2412YMD-10W
WRA2415YMD-10W
WRB2403YMD-10W
WRB2405YMD-10W
WRB2409YMD-10W
WRB2412YMD-10W
WRB2415YMD-10W
WRA4805YMD-10W
WRA4809YMD-10W
WRA4812YMD-10W
WRA4815YMD-10W
WRB4803YMD-10W
WRB4805YMD-10W
WRB4809YMD-10W
WRB4812YMD-10W
WRB4815YMD-10W
5
4.5-9.0
4.5-9.0
11
11
11
11
11
11
11
11
20
20
20
20
20
20
20
20
20
20
40
40
40
40
40
40
40
40
40
80
80
80
80
80
80
80
80
80
±1000
±556
±416
±333
2000
1111
833
±100
±56
±42
±33
200
111
83
±5
±9
±12
±15
5
75
76
80
82
76
78
80
82
79
84
82
84
79
79
81
82
84
82
81
79
84
86
78
80
78
84
86
80
80
84
85
78
80
80
84
86
5
5
4.5-9.0
5
4.5-9.0
FEATURES
◆RoHS compliant
5
4.5-9.0
5
4.5-9.0
9
5
4.5-9.0
12
15
±5
±9
±12
±15
3.3
5
◆Efficiency up to 86%
5
4.5-9.0
666
66
◆DIP Package
12
12
12
12
12
12
12
12
12
12
24
24
24
24
24
24
24
24
24
48
48
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
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
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
36.0-72.0
36.0-72.0
±1000
±556
±416
±333
2500
2000
1111
833
±100
±56
±42
±33
250
200
111
83
◆Wide temperature performance at full 10 Watt
load,-40°C to 85°C
◆UL 94V-0 package material
◆No heatsink required
9
12
15
24
±5
±9
±12
±15
3.3
5
◆ Industry standard pinout
◆ I/O Isolation 1500VDC
◆ Short Circuit Protection(automatic recovery)
◆ Metal shielding package
◆ MTBF>1000000 hours
666
66
416
42
±1000
±556
±416
±333
2500
2000
1111
833
±100
±56
±42
±33
250
200
111
83
9
12
15
±5
±9
±12
±15
3.3
5
MODEL SELECTION
666
66
①
②
③
④
⑤
⑥
⑦
WRB 24 05 Y M D -10W
±1000
±556
±416
±333
2500
2000
1111
833
±100
±56
±42
±33
250
200
111
83
①Product Series
③Output Voltage
⑤Metal Shield
⑦Rated Power
②Input Voltage
④Wide (2:1) Input Range
⑥DIP Package Style
9
DESCRIPTION
12
15
The WRA_YMD-10W & WRB_YMD-10W 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:
666
66
*Input voltage can't exceed this value,or will cause the permanent damage.
OUTPUT SPECIFICATIONS
1) where the voltage of the input power supply is wide
range (voltage range ≤2:1);
Parameter
Output power
Test conditions
Refer to 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
Min.
1
Typ.
Max.
10
Units
W
2) where isolation is necessary between input and output
(isolation voltage ≤1500VDC);
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
%
3) where the regulation of the output voltage and the
output ripple noise are demanded.
%
%
Line regulation(at full load)
Temperature drift(Vout)
Output Ripple**
%
%/°C
MV p-p
MV p-p
Khz
20
85
Output Noise**
20MHz Bandwidth
150
MICRODC RESERVES THE COPYRIGHT
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.
http://www.microdc.cn
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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