Rev. 3.2

2/2011

Page 6 of 18

V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200

vicorpower.com

x 030

070A00

y

E

48

VTM

0

10

20

30

40

50

60

70

80

90

100

110

0

1

2

3

4

Safe Operating Area

Output Voltage (V)

10 ms Max

Continuous

Figure 8 – Safe operating area

Board mounted module, scope setting : 20 MHz analog BW

75

100

125

150

175

200

225

250

275

0

7

14

21

28

35

42

49

56

63

70

Load Current (A)

26 V

48 V

55 V

V :

IN

Output Voltage Ripple vs. Load

Board mounted module, scope setting : 20 MHz analog BW

0

4

8

12

16

20

24

28

68

72

76

80

84

88

92

96

0

7

14

21

28

35

42

49

56

63

70

Efficiency & Power Dissipation 100°C Case

Load Current (A)

26 V

48 V

55 V

V :

IN

26 V

48 V

55 V

η

0.5

1.0

1.5

2.0

2.5

-40

-20

0

20

40

60

80

100

Case Temperature (°C)

I

:

OUT

35 A

70 A

Figure 5 – Efficiency and power dissipation at 100°C