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

Page 7: 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 7

Characteristic Curves

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

TM

3A at 5Vo and at 25

o

C.

EFFIC

IE

N

CY,

η

(%)

OU

TP

U

T CURR

ENT,

Io

(

A)

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 7. Converter Efficiency versus Output Current.

Figure 8. Derating Output Current versus Ambient
Temperature and Airflow.

OUTPUT V

O

LTA

G

E

V

O

(V)

(5

0m

V/

di

v)

OUTPUT C

U

RREN

T,

OUTPUT VOLTA

G

E

I

O

(A)

(1A

di

v)

V

O

(V

) (

10

m

V/

di

v)

TIME, t (1

μs/div)

TIME, t (20

μs /div)

Figure 9. Typical output ripple and noise (VIN = 18V, Io =

Io,max).

Figure 10. Transient Response to Dynamic Load Change
from 50% to 100% at 28Vin, Cext - 10uF ceramic + 330uF
polymer, CTune=5600pF & RTune=261Ω

OUTPUT VO

LTA

G

E ON/OF

F VOLTA

G

E

V

O

(V

) (2V/div)

V

ON

/OF

F

(V) (5

V/di

v)

OUTPUT VOLTA

G

E

INPUT VOL

TAGE

V

O

(V

) (2V/div)

V

IN

(V)

(2

0V

/d

iv)

TIME, t (10ms/div)

TIME, t (10ms/div)

Figure 11. Typical Start-up Using On/Off Voltage (I

o

= I

o,max

).

Figure 12. 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

Vin=24V

Vin=18V

Vin=12V

Vin=9V

Vin=28V

Vin=36V

2.4

2.6

2.8

3.0

3.2

65

75

85

95

105

0.5m/s (100LFM)

NC

12Vin

28Vin

Standard Part

(85°C)

Ruggedized (D) Part (105

°C)

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