WRD-YS-1W&WRD-YS-2W
Series
1W&2W,WIDE INPUT,ISOLATED®ULATED Twin Output DC∕DC Converter
SELECTION GUIDE
Input
Order code
Nominal
WRD050505YS-1W
5
5
5
5
5
5
5
5
12
12
12
12
12
12
12
12
24
24
24
24
24
24
24
24
48
48
48
48
48
48
48
48
Voltage(VDC)
Range
4.5-9.0
4.5-9.0
4.5-9.0
4.5-9.0
4.5-9.0
4.5-9.0
4.5-9.0
4.5-9.0
9.0-18
9.0-18
9.0-18
9.0-18
9.0-18
9.0-18
9.0-18
9.0-18
18-36
18-36
18-36
18-36
18-36
18-36
18-36
18-36
36-72
36-72
36-72
36-72
36-72
36-72
36-72
36-72
Max.
11
11
11
11
11
11
11
11
22
22
22
22
22
22
22
22
40
40
40
40
40
40
40
40
80
80
80
80
80
80
80
80
*
Output
No-load
(mA,Typ)
40
40
40
40
40
40
40
40
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
Current(mA)
Voltage
(VDC)
5/5
9/9
12/12
15/15
5/5
9/9
12/12
15/15
5/5
9/9
12/12
15/15
5/5
9/9
12/12
15/15
5/5
9/9
12/12
15/15
5/5
9/9
12/12
15/15
5/5
9/9
12/12
15/15
5/5
9/9
12/12
15/15
Max.
100/100
55/55
42/42
33/33
200/200
111/111
83/83
67/67
100/100
55/55
42/42
33/33
200/200
111/111
83/83
67/67
100/100
55/55
42/42
33/33
200/200
111/111
83/83
67/67
100/100
55/55
42/42
33/33
200/200
111/111
83/83
67/67
Min.
10/10
5/5
4/4
3/3
20/20
11/11
8/8
7/7
10/10
5/5
4/4
3/3
20/20
11/11
8/8
7/7
10/10
5/5
4/4
3/3
20/20
11/11
8/8
7/7
10/10
5/5
4/4
3/3
20/20
11/11
8/8
7/7
Efficiency
(% ,Typ)
70
71
73
72
67
71
72
73
73
76
78
78
75
77
80
79
76
77
78
77
76
78
80
79
73
75
77
77
75
78
79
78
FEATURES
◆
RoHS compliant
◆
Miniature SIP Package
◆
Operating temperature: -40℃to+85℃
◆
2:1 wide input voltage range
◆
UL 94V-0 package material
◆
No heatsink required
◆
Industry standard pinout
◆
1KVDC isolation
◆
Continuous Short Circuit Protection
◆
Internal SMD construction
WRD050909YS-1W
WRD051212YS-1W
WRD051515YS-1W
WRD050505YS-2W
WRD050909YS-2W
WRD051212YS-2W
WRD051515YS-2W
WRD120505YS-1W
WRD120909YS-1W
WRD121212YS-1W
WRD121515YS-1W
WRD120505YS-2W *
WRD120909YS-2W *
WRD121212YS-2W *
WRD121515YS-2W *
WRD240505YS-1W
WRD240909YS-1W
MODEL SELECTION
WRD
①
05
②
05
③
05
④
Y
⑤
S
⑥
-1W
⑦
①Product
Series
③Output
Voltage 1st
⑤Wide
Input
⑦Rated
Power
②Input
Voltage
④Output
Voltage 2st
⑥SIP
Package
WRD241212YS-1W *
WRD241515YS-1W
WRD240505YS-2W
WRD240909YS-2W
WRD241212YS-2W *
WRD241515YS-2W *
WRD480505YS-1W
WRD480909YS-1W *
WRD481212YS-1W *
APPLICATIONS
The WRD_Y S-1W & WRD_YS-2W series are specially
WRD_Y
WRD_Y
designed for applications where a wide range input
voltage power supplies are isolated from the input
power supply in a distributed power supply system on a
circuit board. These products apply to:
1) Where the voltage of the input power supply is wide
range (voltage range ≤2:1);
WRD481515YS-1W *
WRD480505YS-2W
WRD480909YS-2W *
2) Where isolation is necessary between input and output
(Isolation Voltage ≤ 1000VDC);
WRD481212YS-2W
WRD481515YS-2W *
3) Where isolation is necessary between Vout1 and Vout2
(Isolation Voltage ≤ 1000VDC);
*Input voltage can’t exceed this value, or will cause the permanent damage.
4) Where the regulation of the output voltage and the
output ripple noise are demanded.
ISOLATION SPECIFICATIONS
Parameter
Isolation test voltage
Isolation resistance
Test conditions
Flash tested for 1 minute and 1mA max(Vin/Vout)
Test at Viso=500VDC(Vin/Vout)
100KHz,1V
Min.
1000
1000
Typ.
Max.
Unit
VDC
MΩ
MICRODC reserves the copyright
Isolation capacitance
80
PF
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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