DC-DC CONVERTER

WDD20 SERIES

15 ~ 20W

CHINFA ELECTRONICS IND., CO. LTD.

ISO 9001 Certified

www.chinfa.com

sales@chinfa.com

WDD20 – 03 S 1

MODEL LIST

MODEL NO.

INPUT

VOLTAGE

OUTPUT

WATTAGE

OUTPUT

VOLTAGE

OUTPUT

CURRENT

EFF.

(TYP.)

EFF.

(MIN.)

CASE

Single Output Models

WDD20 - 03S1

9~18 VDC

15 WATTS

+3.3 VDC

4500 mA

80%

77%

FF

WDD20 - 05S1

9~18 VDC

20 WATTS

+ 5 VDC

4000 mA

83%

81%

FF

WDD20 - 12S1

9~18 VDC

20 WATTS

+ 12 VDC

1670 mA

86%

84%

FF

WDD20 - 15S1

9~18 VDC

20 WATTS

+ 15 VDC

1330 mA

87%

85%

FF

WDD20 - 03S2

18~36 VDC

15 WATTS

+3.3 VDC

4500 mA

80%

78%

FF

WDD20 - 05S2

18~36 VDC

20 WATTS

+ 5 VDC

4000 mA

85%

83%

FF

WDD20 - 12S2

18~36 VDC

20 WATTS

+ 12 VDC

1670 mA

86%

84%

FF

WDD20 - 15S2

18~36 VDC

20 WATTS

+ 15 VDC

1330 mA

88%

86%

FF

WDD20 - 03S3

36~72 VDC

15 WATTS

+3.3 VDC

4500 mA

80%

78%

FF

WDD20 - 05S3

36~72 VDC

20 WATTS

+ 5 VDC

4000 mA

85%

83%

FF

WDD20 - 12S3

36~72 VDC

20 WATTS

+ 12 VDC

1670 mA

87%

85%

FF

WDD20 - 15S3

36~72 VDC

20 WATTS

+ 15 VDC

1330 mA

88%

86%

FF

Dual Output Models

WDD20 - 12D1

9~18 VDC

20 WATTS

± 12 VDC

± 830 mA

85%

83%

FF

WDD20 - 15D1

9~18 VDC

20 WATTS

± 15 VDC

± 670 mA

87%

85%

FF

WDD20 - 12D2

18~36 VDC

20 WATTS

± 12 VDC

± 830 mA

87%

85%

FF

WDD20 - 15D2

18~36 VDC

20 WATTS

± 15 VDC

± 670 mA

88%

86%

FF

WDD20 - 12D3

36~72 VDC

20 WATTS

± 12 VDC

± 830 mA

87%

85%

FF

WDD20 - 15D3

36~72 VDC

20 WATTS

± 15 VDC

± 670 mA

89%

87%

FF

FEATURES

* LOW COST

* 2:1 WIDE INPUT RANGE

* I/O ISOLATION

* INPUT Pi FILTER

* SHORT CIRCUIT PROTECTION

* HIGH PERFORMANCE

* 2 YEARS WARRANTY

DESCRIPTION

THE WDD20 SERIES ARE 15 WATTS AND 20 WATTS SINGLE & DUAL OUTPUT DC/DC CONVERTERS, 2:1

WIDE INPUT RANGE WITH I/O ISOLATION AND SHORT CIRCUIT PROTECTION FEATURES MAKES IT SUITABLE

USED ON VARIABLE APPLICATIONS WITH LOW COST. ALL WDD20 MODELS CONTAIN PI INPUT FILTER TO

MINIMIZE REFLECTED RIPPLE & NOISE. ALL MODELS ARE PACKAGED IN 2” x 1.6” x 0.4” BLACK COATED

METAL CASE, AND PCB MOUNTABLE DIRECTLY.

03 : 3.3V OUT

05

12

15

WATTAGE

S : SINGLE OUTPUT

D : DUAL OUTPUT

1: 9~18V IN

2: 18~36V IN

3: 36~72V IN