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OUTPUT SPECIFICATIONS

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

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MECHANICAL DIMENSIONS &
RECOMMENDED FOOTPRINT DETAILS

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SIMPLIFIED SCHEMATIC

Mechanical Characteristics

Length:50.8mm

Height: 21mm

Width: 50.8mm

Weight: 110g Typ

GENERAL SPECIFICATIONS

Operating Temperature

-40oC to +71oC

Isolation Capacitance

2500pF max

Storage Temperature

-55oC to +125oC

Switching Frequency

100 KHz min

Humidity

95% max

MTBF

>700,000 Hours at 25oC

Cooling

Free-Air Convection

Case Material

Six-Sided Shield Case

Efficiency

80% min

Potting Material

Epoxy(UL94-V0)

Isolation Voltage

1000 VDC min

Conducted Emissions

EN55022 Class A

Isolation Resistance

109 ohms min

Radiated Emissions

EN55022 Class A

ELECTRICAL SPECIFICATIONS

Input Voltage Range

2:1 Input Range

Load Regulation

+/-0.2% 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

Over Voltage Protection

Built-in

External trim Adj. Range

+/-10%

Temperature Coefficient

+/-0.03%/oC

Overload Protection

180% Typ

Ripple & Noise(20MHz BW)

100mVp-p max

Transient Response

500uS max

Line Regulation

+/-0.2% max

 

 

2:1 30W-40W DUAL OUTPUT

Model No

INPUT VOLTAGE (DC)

OUTPUT VOLTAGE (DC)

OUTPUT CURRENT (mA)

INPUT CURRENT(mA)

EFF(%)

ISOLATION(VDC)

FULL LOAD

NO LOAD

WKDD-2412

18-36

+/-12

+/-1650

1960

18

85

1000

WKDD-2415

18-36

+/-15

+/-1300

1960

18

83

1000

WKDD-4812

36-72

+/-12

+/-1650

980

9

85

1000

WKDD-4815

36-72

+/-15

+/-1300

980

9

83

1000

2:1 30W-40W SINGLE OUTPUT

Model No

INPUT VOLTAGE
 (DC)

OUTPUT VOLTAGE
 (DC)

OUTPUT CURRENT
 (mA)

INPUT CURRENT(mA)

EFF
(%)

ISOLATION(VDC)

FULL LOAD

NO LOAD

WKDS-1212

9-18

12

3000

3650

40

82

1000

WKDS-1215

9-18

15

2400

3650

40

82

1000

WKDS-1224

9-18

24

1500

3640

40

82

1000

WKDS-2412

18-36

12

3000

1820

18

82

1000

WKDS-2415

18-36

15

2400

1810

18

83

1000

WKDS-2424

18-36

24

1667

1950

18

85

1000

WKDS-4812

36-72

12

3000

910

9

82

1000

WKDS-4815

36-72

15

2400

902

9

83

1000

WKDS-4824

36-72

24

1667

976

9

85

1000

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