WRE_CKS-1W & WRF_CKS-1W Series
1W, WIDE INPUT, ISOLATED & REGULATED
DUAL/SINGLE OUTPUT SIP DC-DC CONVERTER
multi-country patent protection RoHS
FEATURES
PRODUCT PROGRAM
Efficiency up to 81%
Input
Output
Part
Number
Efficiency
(%, Typ)
Wide (2:1) Input Range
I/O Isolation 3000VDC
Short circuit protection(automatic
recovery)
External On/Off control
Internal SMD construction
Operating Temperature: -40°C to +85°C
UL94-V0 Package
Voltage (VDC)
Current (mA)
Voltage
(VDC)
Nominal Range
Max**
Max
±100
±55
±42
±33
200
111
83
Min
±10
±6
±4
±3
20
11
8
WRE0505CKS-1W *
WRE0509CKS-1W *
WRE0512CKS-1W *
WRE0515CKS-1W *
WRF0505CKS-1W *
WRF0509CKS-1W *
WRF0512CKS-1W *
WRF0515CKS-1W *
WRE1205CKS-1W
WRE1209CKS-1W
WRE1212CKS-1W
WRE1215CKS-1W
WRF1205CKS-1W
WRF1209CKS-1W
WRF1212CKS-1W
WRF1215CKS-1W
WRE2405CKS-1W
WRE2409CKS-1W
WRE2412CKS-1W
WRE2415CKS-1W
WRF2405CKS-1W
WRF2409CKS-1W
WRF2412CKS-1W
WRF2415CKS-1W
WRE4805CKS-1W *
WRE4809CKS-1W *
WRE4812CKS-1W *
WRE4815CKS-1W *
WRF4805CKS-1W *
WRF4809CKS-1W *
WRF4812CKS-1W *
±5
±9
±12
±15
5
72
74
76
75
72
74
76
75
76
78
80
80
76
78
80
80
78
79
81
81
76
78
81
81
76
78
80
80
76
78
80
80
5
4.5-9.0
9.0-18
18-36
36-72
11
9
RoHS Compliance
12
15
±5
±9
±12
±15
5
67
7
±100
±55
±42
±33
200
111
83
±10
±6
±4
±3
20
11
8
12
24
48
22
40
80
APPLICATIONS
The WRE_CKS-1W & WRF_CKS-1W Series
are specially designed for applications where a
wide range input voltage power supplies are
9
12
15
±5
±9
±12
±15
5
67
7
isolated from the input power supply in
a
±100
±55
±42
±33
200
111
83
±10
±6
±4
±3
20
11
8
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≤3000VDC);
3) Where the regulation of the output voltage
and the output ripple noise are demanded.
9
12
15
±5
±9
±12
±15
5
67
7
±100
±55
±42
±33
200
111
83
±10
±6
±4
±3
20
11
8
9
12
15
MODEL SELECTION
WRE2412CKS-1W
WRF4815CKS-1W *
* Designing.
67
7
Rated Power
Package Style
Output Voltage
Input Voltage
Product Series
**Input voltage can’t exceed this value, or will cause the permanent damage.
Note: The load shouldn't be less than 10%, otherwise ripple will increase dramatically.
Operation under 10% load will not damage the converter; However, they may not meet all specification listed.
OUTPUT SPECIFICATIONS
Item
Test Conditions
Min
0.1
Typ
Max
1
Units
W
Output power
Positive voltage accuracy
Refer To Recommended Circuit
±1
±3
±3
Negative voltage accuracy Refer To Recommended Circuit
±5
%
10% to 100% load(WRF_CKS-1W)
Load Regulation
±0.5
±0.75
±0.2
±0.75
±1.0
±0.5
±0.03
75
MORNSUN Science & Technology co.,Ltd.
10% to 100% load(WRE_CKS-1W) *
Address: 2th floor 6th building, Huangzhou
Industrial District, Guangzhou, China
Tel: 86-20-38601850
Fax:86-20-38601272
Http://www.mornsun-power.com
Line Regulation
Input voltage from Low To high
Refer to recommended circuit
20MHz Bandwidth
Temperature Drift (Vout)
Ripple & Noise**
%/°C
mVp-p
KHz
25
Switching Frequency
Input voltage range 100% load
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.
MORNSUN reserves the copyright
Specifications subject to change without notice.
WRE_CKS-1W & WRF_CKS-1W
A/0-2008
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