WRB-YT-1W
Series
1W, WIDE INPUT, ISOLATED & REGULATED SINGLE OUTPUT DC/DC CONVERTER
SELECTION GUIDE
Input
Voltage
order code
(VDC)*
Nominal
0%Load
Input
Current
(mA)
100%Load
Output
Voltage
(VDC)
100%Load
Min.
Typ.
Output
Current
(mA)
Effciency
(%)
MTTF
(kHrs)
FEATURES
◆
Efficiency from 60.5%
◆
Operating temperature: -40°C ~ +85°C
◆
1000VDC isolation
◆
UL94V-0 package material
◆
No external component required
◆
Internal SMD construction
◆
MTBF>1,400,000 hours
◆
RoHS Compliance
◆
Lead frame technology
◆
5V,12V&24V Input
◆
5V,12V&15V Output
◆
Power density 0.7W/cm
3
◆
Multi layer ceramic capacitors
WRB0505YT-1W
WRB0512YT-1W
WRB0515YT-1W
WRB1205YT-1W
WRB1212YT-1W
WRB1215YT-1W
WRB2405YT-1W
WRB2412YT-1W
WRB2415YT-1W
5
5
5
12
12
12
24
24
24
25
30
60
10
12
15
6
8
9
320
300
320
110
130
120
120
60
60
05
12
15
05
12
15
05
12
15
200
83
66
200
83
66
200
83
66
60.5
63.5
60.5
68.0
65.0
65.0
65.0
65.0
65.0
62
67
63
73
66
67
70
68
67
921
1118
869
1281
1175
1283
1379
1278
1223
* Input voltage can not exceed this value, or will cause the permanent damage.
COMMON SPECIFICATIONS
Item
Test conditions
Min.
Typ.
Max.
Units
WRB05XXYT-1W types
Input voltage
WRB12XXYT-1W types
WRB24XXYT-1W types
10V
17.5V
40V
MODEL SELECTION
WRB
①
12
②
05
③
Y
④
T
⑤
-1W
⑥
①Product
Series
②Input
Voltage
③Output
Voltage
④Wide
(2:1) Input Range
⑤SMD14
Package Style
⑥Rated
Power
Minimum load
Lead temperature
Cooling
Short circuit protection
Case material
Case temperature rise above ambient
See graph
1.5mm from case for 10 seconds
Free air convection
245
Free air convection
15s
Epoxy Resin (UL94-V0)
30
See derating graphs
-40
-50
85
130
℃
℃
Operation
DESCRIPTION
The WRB-YT-1W series are specially 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);
2) Where isolation is necessary between input and output
(Isolation Voltage
≤1000VDC);
3) Where the regulation of the output voltage and the
output ripple noise are demanded.
Storage
All specifications typical at TA=25ºC, nominal input voltage and rated output current unless otherwise specified.
INPUT CHARACTERISTICS
Item
Test conditions
Min.
Typ.
Max.
Units
Continuous operation, 5V input types
voltage range
Continuous operation, 12V input types
Continuous operation, 24V input types
See graph
Reflected ripple current
1.5mm from case for 10 seconds
Free air convection
4.5
9
18
5
12
24
12
6
6
9
18
36
V
V
V
mA p-p
mA p-p
mA p-p
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Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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