Characteristic curves (continued) – GE Industrial Solutions NQR010A0X4 User Manual

Page 9

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background image

Data Sheet
March 7, 2012

NQR010A0X4: Non-Isolated DC-DC Power Modules

4.5 – 14Vdc input; 0.59Vdc to 6Vdc Output; 10A output current


LINEAGE

POWER

9

Characteristic Curves (continued)

The following figures provide typical characteristics for the NQR010 module at 2.5Vout and at 25ºC.

EF

FI

CI

EN

C

Y

, η

(%)

70

75

80

85

90

95

100

0

2

4

6

8

10

Vin = 4.5V

Vin = 14V

Vin = 12V

O

U

TP

UT

CU

RRE

NT

, Io

(A

)

3

4

5

6

7

8

9

10

11

25

35

45

55

65

75

85

2m/s

(400LFM)

NC

1.5m/s

(300LFM)

1m/s

(200LFM)

0.5m/s

(100LFM)

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 19. Converter Efficiency versus Output Current.

Figure 20. Derating Output Current versus Ambient
Temperature and Airflow.

O

U

TP

U

T

VOLTAGE

V

O

(V

) (2

0m

V

/d

iv)

OU

TP

U

T

CU

RR

ENT

,

OUT

P

UT

VO

LT

A

G

E

I

O

(A

)

(5

A

div

)

V

O

(

V

) (

500mV/

di

v)

TIME, t (1

μs/div)

TIME, t (100

μs /div)

Figure 21. Typical output ripple and noise (V

IN

= 12V, I

o

= I

o,max

).

Figure 22. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V

IN

=12V.

O

U

T

P

UT

V

O

LT

AG

E

O

N

/O

F

F

V

O

LT

A

G

E

V

O

(V)

(1

V

/d

iv)

V

ON

/OFF

(V

)

(5

V/d

iv)

O

U

T

P

UT

V

O

LT

AG

E

IN

P

U

T

V

O

LT

AG

E

V

O

(

V

) (1

V/d

iv)

V

IN

(V

) (

5V

/d

iv

)

TIME, t (2ms/div)

TIME, t (2ms/div)

Figure 23. Typical Start-up Using On/Off Voltage (I

o

=

I

o,max

).

Figure 24. Typical Start-up Using Input Voltage (V

IN

=

12V, I

o

= I

o,max

).

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