WRD_S-1W Series
WIDE INPUT ISOLATED & REGULATED
1W TWIN OUTPUT DC/DC CONVERTER
multi-country patent protection RoHS
FEATURES
PRODUCT PROGRAM
● Miniature Sip Package
● Wide (2:1) Input Range
● Input/Output and Vout1/ Vout2
Isolation 1000VDC
● Operating Temperature: -40°C~+85°C
● No Heat Sink Required
● Short Circuit Protection
(Automatic Recovery)
Input
Output
Part
Number
Efficiency
(%, Typ)
No-load
current
Voltage (VDC)
Io1,Io2 (mA)
Max Min
Vo1,Vo2
(VDC)
Nominal
Range
Max*
11
WRD050505S-1W
WRD050909S-1W
WRD051212S-1W
WRD051515S-1W
WRD052424S-1W
WRD120505S-1W
WRD120909S-1W
WRD121212S-1W
WRD121515S-1W
WRD122424S-1W
WRD240505S-1W
WRD240909S-1W
WRD241212S-1W
WRD241515S-1W
WRD242424S-1W
WRD480505S-1W
WRD480909S-1W
WRD481212S-1W
WRD481515S-1W
WRD482424S-1W
100
55
10
5
5
9
70
73
75
73
74
74
78
78
77
75
75
77
78
77
78
73
76
78
77
78
5
4.5~9
40
20
10
5
42
4
12
15
24
5
33
3
● RoHS Compliance
20
2
100
55
10
5
9
12
24
48
9~18
18~36
36~72
22
40
80
42
4
12
15
24
5
33
3
20
2
100
55
10
5
APPLICATIONS
The WRD_S-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.
9
42
4
12
15
24
5
33
3
20
2
These products apply to:
100
55
10
5
1) Where the voltage of the input power
supply is wide range (voltage range 2:1);
2) Where isolation is necessary between
9
42
4
12
15
24
input
and
output&
Vout1
and
33
3
Vout2(Isolation Voltage≤1000VDC);
3) Where the regulation of the output voltage
and the output ripple noise are demanded.
20
2
MODEL SELECTION
ISOLATION SPECIFICATIONS
Item
Test conditions
Min
Typ
80
Max Units
WRD051212S-1W
Isolation voltage
Isolation resistance
Isolation Capacitance
Flash tested for 60 seconde
Test at 500VDC
1000
1000
VDC
MΩ
PF
Rated Power
Package Style
2nd Output Voltage
1st Output Voltage
Input/Output
Input Voltage
OUTPUT SPECIFICATIONS
Item
Output Power
Test Conditions
Min
0.1
Typ
Max Units
See Below Products Program
Refer To Recommended Circuit
From 10% To 100% Load
Input Voltage From Low To High
Refer To Recommended Circuit
20MHz Bandwidth
1
±3
W
Output Voltage Accuracy
Load Regulation
Line Regulation
Temperature Drift(Vout)
Ripple
±1
MORNSUN Science& Technology Ltd.
%
±0.5
±0.2
±1
Address: 2th floor 6th building, Huangzhou
Industrial District, Guangzhou, China
Tel: 86-20-38601850
Fax: 86-20-38601272
Http://www.mornsun-power.com
±0.5
±0.03 %/°C
10
50
30
mVp-p
100
Noise
20MHz Bandwidth
Switching Frequency
100% Load, Nominal Input Voltage
80-550(PFM)
KHz
Note:
1.All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output
load unless otherwise specified.
2.See below recommended circuits for more details.
MORNSUN reserves the copyright For any design change and upgrade, we will not make any prior notification
A/1-2007
Page 1 of 2