3

DFC10 SERIES BLOCK DIAGRAM

3

+ OUTPUT

ISOLATION TRANSFORMER

+

5

- OUTPUT

ISO AMP

LOW TC

BANDGAP

REFERENCE

SHIELDED COPPER CASE

+

–

2

– INPUT

1

+ INPUT

CURRENT

MODE

PWM

LOW

NOISE

FILTER

Typical Performance: (Tc=25°C, Vin=Nom VDC, Rated Load)

Data for 12 Volt Input Models

1.5

100% LOAD

50% LOAD

1.0

0.5

0.0

4

18

14

16

10

8

612

12 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE

LINE INPUT (VOLTS)

Data for 24 Volt Input Models

Data for 48 Volt Input Models

85

100% FULL LOAD

50% FULL LOAD

75

80

70

75

65

70

60

45

35

55

40

50

48 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE

LINE INPUT (VOLTS)

88

100% FULL LOAD

50% FULL LOAD

82

84

86

80

36

32

34

30

22

18

28

20

24

26

24 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE

LINE INPUT (VOLTS)

90

LINE =

18VDC

LINE =

24VDC

LINE =

36VDC

85

80

75

70

65

60

040

30

20

10

50

60

70

80

90 100

24 VOLT EFFICIENCY Vs. LOAD

LOAD (%)

85

LINE =

9VDC

LINE =

12VDC

LINE =

18VDC

80

75

70

65

040

30

20

10

50

60

70

80

90 100

12 VOLT EFFICIENCY Vs. LOAD

LOAD (%)

LINE =

36VDC

LINE =

72VDC

LINE =

48VDC

85

80

75

70

65

60

55

50

40

45

040

30

20

10

50

60

70

80

90 100

48 VOLT EFFICIENCY Vs. LOAD

LOAD (%)

85

100% FULL LOAD

50% FULL LOAD

82

83

84

80

81

18

16

17

10

11

12

13

914

15

12 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE

LINE INPUT (VOLTS)

100% LOAD

50% LOAD

0.4

0.3

0.2

0.1

0.0

5

75

45

55

25

15

35

65

48 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE

LINE INPUT (VOLTS)

50

0

2

4

6

8

10

60

70

80

90

100

OUTPUT POWER DERATING

AMBIENT TEMPERATURE

DFC10 SERIES – SINGLE OUTPUT

0.8

100% LOAD

50% LOAD

0.4

0.6

0.2

0.0

4

36

24

28

32

16

8

12

20

24 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE

LINE INPUT (VOLTS)

NUCLEAR AND MEDICAL APPLICATIONS Power-One products are not authorized for use as critical components in life support systems, equipment used in hazardous environments,

or nuclear control systems without the express written consent of the President of Power-One, Inc.

TECHNICAL REVISIONS The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are

subject to change without notice.