Rev E

DCQEB75 Series

75W, Single Outputs

Quarter-Brick Package

DC/DC Power Converters

Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833

03/09/2012

603-778-2300 www.wallindustries.com Fax 603-778-9797

Page 4 of 5

CHARACTERISTICS

36

40

44

48

52

56

60

64

68

72

75

92

91

90

89

88

87

86

85

DCQEB75-48S05 Efficiency vs Input Voltage

Input Voltage (VDC)

10

20

30

40

50

60

70

80

90

100

Output Load (% of Full Load)

95

90

85

80

75

70

65

60

DCQEB75-48S05 Efficiency vs Output Load

Recommended Filter for EN55022 Class B Compliance

+Vin

-Vin

+Vin

CASE

+Vo

-Vin

CASE

-Vo

C1 C2 C3

C7 C8 C9

C6

C4

C5

L1

L2

C10

C11

C12

C14

C13

C15

CHASSIS GROUND

SHIELD PLANE

Recommended EN55022 Class B Filter Circuit Layout

C1

C2

C3

C4

C5

6.8µF/50V

6.8µF/50V

6.8µF/50V

6.8µF/50V

1.5nF/3KV

C6

C7

C8

C9

C10

1.5nF/3KV

6.8µF/50V

6.8µF/50V

6.8µF/50V

0.1µF/50V

C11

C12

C13

C14

C15

0.1µF/50V

1.0nF/3KV

1.0nF/3KV

1.0nF/3KV

1.0nF/3KV

L1

L2

DCQEB75-24Sxx

620µH

620µH

C1

C2

C3

C4

C5

100µF/100V

1.5µF/100V

1.5µF/100V

1.5µF/100V

1.5nF/3KV

C6

C7

C8

C9

C10

1.5nF/3KV

47µF/100V

1.5µF/100V

1.5µF/100V

0.1µF/50V

C11

C12

C13

C14

C15

0.1µF/50V

1.0nF/3KV

1.0nF/3KV

1.0nF/3KV

1.0nF/3KV

L1

L2

DCQEB75-48Sxx

620µH

620µH

DCQEB

SERIES