Characteristic curves (continued), Characteristic curves, Continued) – GE Industrial Solutions JRW017-040-060-065-070 Series User Manual

Page 10

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Data Sheet

June 14, 2010

JRW017-070 Series Power Modules DC-DC Converters

36-75Vdc Input; 1.2Vdc to 12Vdc Output

LINEAGE

POWER

10

Characteristic Curves

(continued)

The following figures provide typical characteristics for the JRW065A0Y (1.8V, 65A)

at 25ºC. The figures are identical

for either positive or negative Remote On/Off logic.

INP

UT

CURRE

N

T

,(

A

)

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

25

35

45

55

65

75

I

o

= 0 A

I

o

= 32.5 A

I

o

= 65 A

O

N

/O

F

F

V

OL

T

A

GE

O

U

T

P

U

T

V

O

L

T

A

G

E

V

O

n

/o

ff

(V

) (1

0

V

/d

iv

)

V

O

(V

) (0

.5

V

/d

iv

)

INPUT VOLTAGE, V

IN

(V)

TIME, t (1ms/div)

Figure 25. Typical Start-Up (Input Current)
characteristics at room temperature.

Figure 28. Typical Start-Up Characteristics from
Remote ON/OFF.

EF

F

IC

IEN

C

Y (

%

)

70

72

74

76

78

80

82

84

86

88

90

0

10

20

30

40

50

60

70

V

i

= 36 V

V

i

= 48 V

V

i

= 75 V

O

U

T

P

UT

CURRE

N

T

O

UT

P

U

T

V

O

L

T

A

G

E

I

O

,

(A

) (

1

0

A

/d

iv

)

V

O

(V

) (1

0

0

mV

/d

iv

)

OUTPUT CURRENT, I

o

(A)

TIME, t (200

µs/div)

Figure 26. Converter Efficiency Vs Load at Room
temperature.

Figure 29. Transient Response to Dynamic Load
Change from 50% to 25% of full load current.

OU

T

P

U

T

V

OL

T

A

GE

V

O

(V

) (5

0

m

V

/d

iv

)

O

UT

P

U

T

CUR

RE

NT

O

U

T

P

UT

V

O

L

T

A

G

E

I

O

,

(A

) (

1

0

A

/d

iv

)

V

O

(V

)

(1

0

0

mV

/d

iv

)

TIME, t (1

µs/div)

TIME, t (200

µs/div)

Figure 27. Typical Output Ripple and Noise at Room
temperature and
I

o

= I

o,max

.

Figure 30. Transient Response to Dynamic Load
Change from 25% to 50 % of full load current.

75 Vin

48 Vin

36 Vin

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