3

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

80

75

70

65

60

040

30

20

LINE = 16VDC

LINE = 5VDC

10

50

60

70

80

90 100

EFFICIENCY Vs. LOAD

LOAD (%)

4.0

3.0

3.5

2.0

2.5

1.0

1.5

0.5

0.0

08

6

4

100% LOAD

50% LOAD

210

12

14

16

INPUT CURRENT Vs. INPUT VOLTAGE

LINE INPUT (VOLTS)

10

1

.1

.01

10

100000

10000

1000

12/15 VOLT OUTPUT

5 VOLT OUTPUT

100

1000000

OUTPUT IMPEDENCE Vs. FREQUENCY

FREQUENCY (Hz)

85

80

75

70

65

412

14

10

8

100% FULL LOAD

50% FULL LOAD

616

EFFICIENCY Vs. LINE INPUT VOLTAGE

LINE INPUT (VOLTS)

1.0

0.8

0.4

0.6

0.2

0.0

311

13

15

9

7

100% LOAD

75% LOAD

50% LOAD

517

RMS INPUT CURRENT Vs. LINE INPUT

LINE INPUT (VDC)

120

80

100

40

60

20

0

3.50

4.50

4.75

4.25

4.00

3.75

5.00

INPUT VOLTAGE DERATING

LINE INPUT (VDC)

50

40

0

2

1

3

4

5

6

60

70

80

90

OUTPUT POWER DERATING

AMBIENT TEMPERATURE

DFC6 SERIES – SINGLE OUTPUT

DFC6 SERIES BLOCK DIAGRAM

3

+ OUTPUT

SHIELDED ISOLATION TRANSFORMER

+

4

- OUTPUT

ISO AMP

LOW TC

BANDGAP

REFERENCE

NONCONDUCTIVE PLASTIC CASE

+

–

+

2

– INPUT

1

+ INPUT

CURRENT

MODE

PWM

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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.