36v prolynx, 3a: non-isolated dc-dc power modules, Data sheet – GE Industrial Solutions 9-36V ProLynx 3A User Manual

Page 6: Characteristic curves

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GE

Data Sheet

9-36V ProLynx

TM

3A: Non-Isolated DC-DC Power Modules

9Vdc –36Vdc input; 3Vdc to 18Vdc output; 3A to 1.5A Scaled output current

9Vdc –24Vdc input; -3.3Vdc to -12Vdc output; 3A to 0.7A Scaled output current

July 23, 2013

©2013 General Electric Company. All rights reserved.

Page 6

Characteristic Curves

The following figures provide typical characteristics for the 9-36V ProTLynx

TM

3A at 3.3Vo and at 25

o

C.

EFFIC

IE

N

CY

, η

(

%

)

OUTPUT CURRENT

, Io (

A)

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 1. Converter Efficiency versus Output Current.

Figure 2. Derating Output Current versus Ambient
Temperature and Airflow.

OUT

PUT

V

O

LT

AG

E

V

O

(V)

(5

0m

V/

di

v)

OUTPUT CURRENT

OUTPUT VOL

TA

G

E

I

O

(A

)

(1Adiv

)

V

O

(V)

(1

0m

V/

di

v)

TIME, t (1

μs/div) TIME,

t

(20

μs /div)

Figure 3. Typical output ripple and noise (V

IN

= 18V, I

o

= I

o,max

).

Figure 4. Transient Response to Dynamic Load Change from
50% to 100% at 28Vin, Cext - 10uF ceramic + 330uF polymer,

CTune=5600pF & RTune=261Ω

OUTPUT VOLTA

G

E

O

N

/OF

F

VOLTA

G

E

V

O

(V

) (1V/div)

V

ON/OF

F

(V) (

5V

/di

v)

OUTPUT VO

LTA

G

E

INPUT VOL

TAGE

V

O

(V

) (1V/div)

V

IN

(V)

(2

0V

/div)

TIME, t (10ms/div)

TIME, t (10ms/div)

Figure 5. Typical Start-up Using On/Off Voltage (I

o

= I

o,max

).

Figure 6. Typical Start-up Using Input Voltage (V

IN

= 28V, I

o

=

I

o,max

).



70

75

80

85

90

95

100

0

0.5

1

1.5

2

2.5

3

Vin=24V

Vin=18V

Vin=12V

Vin=9V

Vin=28V

Vin=36V

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