Characteristic curves (continued) – GE Industrial Solutions Naos Raptor 6A User Manual

Page 7

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Data Sheet
December 6, 2010

Naos Raptor 6A: Non-isolated DC-DC Power Modules

4.5 – 14Vdc input; 0.59Vdc to 6Vdc Output; 6A output current


LINEAGE

POWER

7

Characteristic Curves (continued)

The following figures provide typical characteristics for the Naos Raptor 6A module at 1.8Vout and at 25ºC.

EF

FI

CI

EN

C

Y

, η

(%)

70

75

80

85

90

95

0

1

2

3

4

5

6

Vin = 4.5V

Vin = 12V

Vin = 14V

OUTPUT

CURR

E

N

T

, I

o

(A

)

3

4

5

6

7

25

35

45

55

65

75

85

NC

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 73. Converter Efficiency versus Output Current.

Figure 14. Derating Output Current versus Ambient
Temperature and Airflow.

O

U

T

P

U

T

VOLTAGE

V

O

(V)

(1

0m

V

/d

iv

)

OUT

P

UT

CU

RR

ENT

,

OU

T

P

UT

VO

LT

A

G

E

I

O

(

A

)

(2

Adi

v)

V

O

(V

) (2

00

mV

/d

iv

)

TIME, t (1

μs/div)

TIME, t (100

μs /div)

Figure 15. Typical output ripple and noise (V

IN

= 12V, I

o

= I

o,max

).

Figure 16. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V

IN

=12V.

O

N

/OF

F

V

O

LT

A

G

E

O

U

T

P

UT

V

O

LT

AG

E

V

ON/

O

FF

(V

) (5

V/d

iv)

V

O

(V

) (1

V

/d

iv

)

IN

PU

T

V

O

LTAGE

OU

TP

U

T

V

O

LT

AG

E

V

IN

(

V

)

(5

V

/di

v)

V

O

(V

) (1

V

/d

iv

)

TIME, t (1ms/div)

TIME, t (1ms/div)

Figure 17. Typical Start-up Using On/Off Voltage (I

o

=

I

o,max

).

Figure 18. Typical Start-up Using Input Voltage (V

IN

=

12V, I

o

= I

o,max

).

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