WRA-YMD-15W&WRB-YMD-15W
Series
15W, WIDE INPUT, ISOLATED®ULATED SINGLE/DUAL OUTPUTDC-DC CONVERTER
SELECTION GUIDE
Input
Order code
Nominal
WRA1205YMD-15W
12
12
12
12
12
12
12
24
24
24
24
24
24
24
48
48
48
48
48
48
48
Voltage(VDC)
Range
9 -18
9 -18
9 -18
9 -18
9 -18
9 -18
9 -18
18 -36
18 -36
18 -36
18 -36
18 -36
18 -36
18 -36
36- 75
36- 75
36- 75
36- 75
36- 75
36- 75
36- 75
Max.
*
20
20
20
20
20
20
20
40
40
40
40
40
40
40
80
80
80
80
80
80
80
Voltage
(VDC)
±5
±12
±15
3.3
5
12
15
±5
±12
±15
3.3
5
12
15
±5
±12
±15
3.3
5
12
15
Output
Current
(mA)
±1500
±625
±500
4000
3000
1250
1000
±1500
±625
±500
4000
3000
1250
1000
±1500
±625
±500
4000
3000
1250
1000
Efficiency
(%)
82
85
85
79
82
85
84
84
86
86
80
83
85
85
85
87
87
81
83
86
86
Capacitor
Load Max
±1020
±495
±165
10500
4020
1035
705
±1020
±495
±165
10500
4020
1035
705
±1020
±495
±165
10500
4020
1035
705
FEATURES
◆
Efficiency up to 87%
◆
Wide (2:1)Input Range
◆
1.5KVDC Input/Output Isolation
◆
Short Circuit Protection (automatic recovery)
◆
Operating Temperature: -40°C to+85°C
◆
Internal SMD construction
◆
Metal Shielding Package
◆
Industry Standard Pinout
◆
MTBF>1,000,000 hours
◆
RoHS Compliance
WRA1212YMD-15W
WRA1215YMD-15W
WRB1203YMD-4000
WRB1205YMD-15W
WRB1212YMD-15W
WRB1215YMD-15W
WRA2405YMD-15W
WRA2412YMD-15W
WRA2415YMD-15W
WRB2403YMD-4000
WRB2405YMD-15W
WRB2412YMD-15W
WRB2415YMD-15W
WRA4805YMD-15W
WRA4812YMD-15W
WRA4815YMD-15W
MODEL SELECTION
①
②
③ ④
⑤
⑥
⑦
WRB 24 05 Y M D -15W(3000)
WRB4803YMD-4000
WRB4805YMD-15W
WRB4812YMD-15W
①Product
Series
②Input
Voltage
③Output
Voltage
④Wide
(2:1) Input Range
⑤Metal
Shield
⑥2"×1"
DIP Package
⑦Rated
Power(Output current)
WRB4815YMD-15W
*Input voltage can’t exceed this value, or will cause the permanent damage.
INPUT SPECIFICA TIONS
Parameter
Test conditions
12 Vin models
Start-up volt age
24 Vin models
48 Vin models
The WRA_YMD-15W & WRB_YMD-15W series offer 15W of
output,the WRA_YMD-15W&WRB_YMD-15W series with 2:1
wide input voltage of 9-18,18-36 and 36-75VDC and features
1500VDC isolation, short -circuit and over current protect ion,as
well as six sided shielding. All models are particularly suited to
tele-communications , industrial , test equipments power .
Input filter
Start-up time
10
L-C
mS
Min.
Typ.
Max.
9
17.8
35.8
Units
VDC
APPLICATIONS
OUTPUT SPECIFICA TIONS
Parameter
Output voltage accuracy
Load regulation
Line regulation
Cross regulation(Dual)
Ripple and noise
Transient recovery time
Transient peak deviation
Over current protection
Output Short Circuit
Trim
Temperature drift (Vout)
20MHz Bandwidth
25% load step change
Input voltage range
Input voltage range
120
75
200
±3
130
±10%Vo
±0.
02
±0.
03
Test conditions
Refer to recommended circuit
From 10% to 100% load
Input voltage from low to high
Mi
Typ.
±1
±0.5
±0.2
Max.
±3
±1
±0.5
±5
150
300
±5
150
Units
%
%
%
%
mV
uS
%Vo
%
Hiccup, automatic recovery
VDC
%/℃
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Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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