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
WRA0512YMD-10W
WRA0515YMD-10W
WRB0505YMD-10W
WRB0512YMD-10W
WRB0515YMD-10W
WRA1205YMD-10W
WRA1212YMD-10W
WRA1215YMD-10W
WRB1203YMD-10W
WRB1205YMD-10W
WRB1212YMD-10W
WRB1215YMD-10W
WRB1224YMD-10W
WRA2405YMD-10W
WRA2412YMD-10W
WRA2415YMD-10W
WRB2403YMD-10W
WRB2405YMD-10W
WRB2412YMD-10W
WRB2415YMD-10W
WRA4805YMD-10W
WRA4812YMD-10W
WRA4815YMD-10W
WRB4803YMD-10W
WRB4805YMD-10W
WRB4812YMD-10W
WRB4815YMD-10W
5
4.5-9.0
4.5-9.0
11
11
11
11
11
11
20
20
20
20
20
20
20
20
40
40
40
40
40
40
40
80
80
80
80
80
80
80
±1000
±416
±333
2000
833
±100
±42
±33
200
83
±5
±12
±15
5
75
80
82
76
80
82
79
82
84
79
79
82
84
82
81
84
86
78
80
84
86
80
84
85
78
80
84
86
5
5
4.5-9.0
5
4.5-9.0
FEATURES
◆RoHS compliant
5
4.5-9.0
12
5
4.5-9.0
666
66
15
12
12
12
12
12
12
12
12
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
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
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
±416
±333
2500
2000
833
±100
±42
±33
250
200
83
±5
◆Efficiency up to 86%
±12
±15
3.3
5
◆DIP Package
◆Wide temperature performance at full
10 Watt load,-40°C to 85°C
◆UL 94V-0 package material
◆No heatsink required
12
666
66
15
416
42
24
±1000
±416
±333
2500
2000
833
±100
±42
±33
250
200
83
±5
±12
±15
3.3
5
◆ Industry standard pinout
◆ I/O Isolation 1500VDC
◆ Short Circuit Protection(automatic recovery)
◆ Metal shielding package
◆ MTBF>1000000 hours
12
666
66
15
±1000
±416
±333
2500
2000
833
±100
±42
±33
250
200
83
±5
±12
±15
3.3
5
MODEL SELECTION
12
①
②
③
④
⑤
⑥
⑦
666
66
15
WRB 24 05 Y M D -10W
*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-10W
& WRB_YMD-10W series are
Parameter
Test conditions
Min.
Typ.
Max.
Units
W
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:
Output power
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
1
10
±3.0
±5.0
±1.0*
±0.5
±0.03
50
Positive voltage accuracy
Negative voltage accuracy
Load regulation
±1.0
±3.0
±0.5
±0.2
%
%
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
85
Output Noise**
20MHz Bandwidth
150
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.
MICRODC reserves the copyright
http://www.microdc.cn
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
Page 1 of 3