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

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

Rev A

CB Series

Single and Dual Outputs

30 Watt DC/DC Converter

2:1 Wide Input Voltage Range

DERATING CURVES & EFFICIENCY GRAPHS

Recommended Filters for EN55022 Class A Compliance

The components used in the figures above together with the manufacturers’ part numbers for these components are as follows

Single Output

C1

C2 & C3

Dual Output

C1

C2 & C4

CB12Sxx-xxxx

10µF/25V 1812 MLCC

1000pF/2KV 1808 MLCC

CB12Sxx-xxxx

10µF/25V 1812 MLCC

1000pF/2KV 1808 MLCC

CB24Sxx-xxxx

6.8µF/50V 1812 MLCC

1000pF/2KV 1808 MLCC

CB24Dxx-xxxx

6.8µF/50V 1812 MLCC

1000pF/2KV 1808 MLCC

CB48Sxx-xxxx

2.2µF/100V 1812 MLCC 1000pF/2KV 1808 MLCC

CB48Dxx-xxxx

2.2µF/100V 1812 MLCC

1000pF/2KV 1808 MLCC

0

20

40

60

80

100

120

-40

-20

0

20

40

60

80

100

120

AMBIENT TEMPERATURE(℃)

65

CB48S5-6000 DERATING CURVE

0

20

40

60

80

100

120

-40

-20

0

20

40

60

80

100

120

AMBIENT TEMPERATURE(℃)

71

CB48S5-6000 DERATING CURVE WITH HEATSINK

FED30-48S05 Efficiency VS Output Load

85%

87%

89%

91%

93%

95%

36

40

44

48

52

56

60

64

68

72

76

INPUT VOLTAGE (V)

CB48S5-6000 EFFICIENCY VS INPUT VOLTAGE

FED30-48S05 Efficiency VS Output Load

55

60

65

70

75

80

85

90

95

10

20

30

40

50

60

70

80

90

100

OUTPUT LOAD (% of Full Load)

CB48S5-6000 EFFICIENCY VS OUTPUT LOAD