36v prolynx, 5a: non-isolated dc-dc power modules, Data sheet – GE Industrial Solutions 9-36V ProLynx 5A User Manual

Page 8: Characteristic curves

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GE

Data Sheet

9-36V ProLynx

TM

5A: Non-Isolated DC-DC Power Modules

9Vdc –36Vdc input; 3Vdc to 18Vdc output; 5A to 2.5A Scaled output current

9Vdc –24Vdc input; -3.3Vdc to -18Vdc output; 5A to 0.7A Scaled output current

July 23, 2013

©2012 General Electric Company. All rights reserved.

Page 8

Characteristic Curves

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

TM

5A at 12Vo and at 25

o

C. (3.5A rated output)

EF

FI

CI

EN

CY

, η

(%)

O

U

TP

UT CURR

ENT,

Io

(A)

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 13. Converter Efficiency versus Output Current.

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

OU

TP

U

T V

O

LT

AG

E

V

O

(V

) (40m

V/

di

v)

O

U

TPUT

CU

RR

EN

T,

OUTPUT

V

O

LTAG

E

I

O

(A

)

(2

Ad

iv

)

V

O

(V

) (1

00

m

V/

di

v)

TIME, t (1

μs/div)

TIME, t (20

μs /div)

Figure 15. Typical output ripple and noise (V

IN

= 28V, I

o

=

I

o,max

).

Figure 16. Transient Response to Dynamic Load Change from
50% to 100% at 28Vin, Cext - 3x10uF ceramic, CTune=470pF

& RTune=150Ω

OUTPU

T

VO

LTAG

E

O

N

/OFF

VOLTAGE

V

O

(V

) (5V/

div

)

V

ON

/O

FF

(V

) (5V/

div

)

O

U

TPUT

VO

LTA

G

E

IN

PU

T V

O

LT

AG

E

V

O

(V

) (5V/

div

)

V

IN

(V)

(2

0V/

di

v)

TIME, t (5ms/div)

TIME, t (5ms/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

= 28V, I

o

=

I

o,max

).

70

75

80

85

90

95

100

0

0.5

1

1.5

2

2.5

3

3.5

Vin=36V

Vin=28V

Vin=18V

1

2

3

4

65

75

85

95

105

2m/s(400LFM)

1.5m/s (300LFM)

1m/s

(

200LFM

)

0.5m/s (100LFM)

NC

28Vin

Standard

Part (85°C)

Ruggedized (D) Part (105

°C)

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