WRA_CKS-1W & WRB_CKS-1W Series
1W, WIDE INPUT, ISOLATED & REGULATED
DUAL/SINGLE OUTPUT SIP DC-DC CONVERTER
multi-country patent protection RoHS
FEATURES
PRODUCT PROGRAM
Wide (2:1) Input Range
I/0 Isolation 1500VDC
Input
Voltage (VDC)
Nominal Range Max**
Output
Part
Number
Efficiency
(%, Typ)
Current (mA)
Voltage
(VDC)
Short circuit protection(automatic recovery)
External On/Off control
Internal SMD construction
Operating Temperature: -40°C to +85°C
Regulated Outputs
Max
±100
±55
±42
±33
200
111
83
Min
±10
±6
±4
±3
20
11
8
WRA0505CKS-1W *
WRA0509CKS-1W *
WRA0512CKS-1W *
WRA0515CKS-1W *
WRB0505CKS-1W *
WRB0509CKS-1W *
WRB0512CKS-1W *
WRB0515CKS-1W *
WRA1205CKS-1W *
WRA1209CKS-1W *
WRA1212CKS-1W *
WRA1215CKS-1W *
WRB1205CKS-1W *
WRB1209CKS-1W *
WRB1212CKS-1W *
WRB1215CKS-1W *
WRA2405CKS-1W
WRA2409CKS-1W *
WRA2412CKS-1W *
WRA2415CKS-1W *
WRB2405CKS-1W
WRB2409CKS-1W *
WRB2412CKS-1W *
WRB2415CKS-1W *
WRA4805CKS-1W *
WRA4809CKS-1W *
WRA4812CKS-1W *
WRA4815CKS-1W *
WRB4805CKS-1W *
WRB4809CKS-1W *
WRB4812CKS-1W *
WRB4815CKS-1W *
±5
±9
±12
±15
5
76
78
78
78
76
78
78
78
78
79
80
80
78
79
80
80
78
82
83
83
78
82
83
83
76
78
80
80
76
78
80
80
UL94-V0 Package
RoHS Compliance
5
4.5-9.0
11
9
12
15
±5
±9
±12
±15
5
67
7
±100
±55
±42
±33
200
111
83
±10
±6
±4
±3
20
11
8
APPLICATIONS
The WRA_CKS-1W & WRB_CKS-1W Series
are specially designed for applications where a
wide range input voltage power supplies are
12
24
48
9.0-18
18-36
36-72
22
40
80
9
isolated from the input power supply in
a
12
15
±5
±9
±12
±15
5
distributed power supply system on a circuit
board.
67
7
±100
±55
±42
±33
200
111
83
±10
±6
±4
±3
20
11
8
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≤1500VDC);
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
MODEL SELECTION
WRA2412CKS-1W
Rated Power
Package Style
Output Voltage
Input Voltage
Product Series
9
12
15
67
7
* Designing.
**Input voltage can’t exceed this value, or will cause the permanent damage.
OUTPUT SPECIFICATIONS
Item
Test Conditions
Min
Typ
Max
Units
Output Voltage accuracy Input voltage range refer to output load
±1
±3
MORNSUN Science& Technology co.,Ltd.
10% to 100% load(WRB_CKS-1W)
Load Regulation
±0.5
±0.5
±0.2
±0.75
±1.0
±0.5
±0.03
75
Address: 2th floor 6th building, Huangzhou
Industrial District, Guangzhou, China
Tel: 86-20-38601850
Fax:86-20-38601272
Http://www.mornsun-power.com
%
10% to 100% load(WRA_CKS-1W) *
Line Regulation
Input voltage from Low To high
Temperature Drift (Vout) Refer to recommended circuit
%/°C
mVp-p
KHz
Ripple & Noise
20MHz Bandwidth
25
Switching Frequency
Input voltage range 100% load
180-500(PFM)
* Dual output models unbalanced load(25/100%): ±5%Max
MORNSUN reserves the copyright
Specifications subject to change without notice.
WRA_CKS-1W & WRB_CKS-1W
A/0-2008
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