Mechanical Characteristics

Length:50.8mm

Height: 11mm

Width: 50.8mm

Weight: 60g Typ

GENERAL SPECIFICATIONS

Operating Temperature

-25oC to +71oC

Isolation Capacitance

550pF max

Storage Temperature

-55oC to +125oC

Switching Frequency

150 KHz min

Humidity

95% max

MTBF

>700,000 Hours at 25oC

Cooling

Free-Air Convection

Case Material

Six-sided shield Case

Efficiency

70% min

Potting Material

Epoxy(UL94-V0)

Isolation Voltage

1000VDC min

Conducted Emissions

EN55022 Class A

Isolation Resistance

109 ohms min

Radiated Emissions

EN55022 Class A

 

 

Approvals

EMC, FCC

ELECTRICAL SPECIFICATIONS

Input Voltage Range

2:1, 3:1, 4:1 Input Range

Load Regulation

+/-0.3% max

Input Filter

Pi Network

Minimum Load

10% of Full Load

Protection

Fuse Recommended

Short Circuit Protection

Continuous

Voltage Setpoint Accuracy

+/-2% max

Short Circuit Restart

Automatic

Temperature Coefficient

+/-0.03%/oC

Overload Protection

180% Typ

Ripple & Noise(20MHz BW)

100mVp-p max

Transient Response

200uS max

Line Regulation

+/-0.3% max

 

 

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OUTPUT SPECIFICATIONS

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DC/DC CONVERTER
WIDE INPUT RANGE - 2:1
WK SERIES

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MECHANICAL DIMENSIONS &
RECOMMENDED FOOTPRINT DETAILS

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SIMPLIFIED SCHEMATIC

2:1 12W-15W SINGLE OUTPUT

Model No

INPUT VOLTAGE
 (DC)

OUTPUT VOLTAGE
 (DC)

OUTPUT CURRENT
 (mA)

INPUT CURRENT(mA)

EFF
(%)

ISOLATION(VDC)

FULL LOAD

NO LOAD

WKS-1203.3

9-18

3.3

3600

1320

40

75

1000

WKS-1205

9-18

5

3000

1623

40

77

1000

WKS-1209

9-18

9

1670

1580

30

79

1000

WKS-1212

9-18

12

1250

1563

40

80

1000

WKS-1215

9-18

15

1000

1545

38

81

1000

WKS-1224

9-18

24

625

1543

38

81

1000

WKS-2403.3

18-36

3.3

3600

643

20

77

1000

WKS-2405

18-36

5

3000

780

20

80

1000

WKS-2409

18-36

9

1670

770

20

81

1000

WKS-2412

18-36

12

1250

762

18

82

1000

WKS-2415

18-36

15

1000

762

18

82

1000

WKS-2424

18-36

24

625

753

18

83

1000

WKS-4803.3

36-72

3.3

3600

321

10

77

1000

WKS-4805

36-72

5

3000

396

10

79

1000

WKS-4809

36-72

9

1670

385

10

81

1000

WKS-4812

36-72

12

1250

381

9

82

1000

WKS-4815

36-72

15

1000

381

9

82

1000

WKS-4824

36-72

24

625

375

9

83

1000

2:1 12W-15W DUAL OUTPUT

Model No

INPUT VOLTAGE
 (DC)

OUTPUT VOLTAGE
 (DC)

OUTPUT CURRENT
 (mA)

INPUT CURRENT(mA)

EFF
(%)

ISOLATION(VDC)

FULL LOAD

NO LOAD

WKD-1205

9-18

+/-5

+/-1500

1623

40

77

1000

WKD-1212

9-18

+/-12

+/-625

1563

40

80

1000

WKD-1215

9-18

+/-15

+/-500

1525

38

82

1000

WKD-1224

9-18

+/-24

+/-313

1510

38

83

1000

WKD-2405

18-36

+/-5

+/-1500

750

20

83

1000

WKD-2412

18-36

+/-12

+/-625

762

18

82

1000

WKD-2415

18-36

+/-15

+/-500

753

18

83

1000

WKD-2424

18-36

+/-24

+/-313

750

20

83

1000

WKD-4805

36-72

+/-5

+/-1500

375

10

83

1000

WKD-4812

36-72

+/-12

+/-625

381

9

82

1000

WKD-4815

36-72

+/-15

+/-500

381

9

82

1000

WKD-4824

36-72

+/-24

+/-313

375

9

83

1000

0901-1-WK-SCHEMATIC-1
0901-1-WK-SCHEMATIC-2
0901-2-WK-DIMENSIONS
0901-3-WK-FOOTPRINT
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