12a digital slimlynx, Non-isolated dc-dc power modules, Preliminary data sheet – GE Industrial Solutions 12A Digital SlimLynx User Manual

Page 12: Characteristic curves

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GE

Preliminary Data Sheet

12A Digital SlimLynx

TM

: Non-Isolated DC-DC Power Modules

3Vdc –14.4Vdc input; 0.45Vdc to 5.5Vdc output; 12A Output Current

February 19, 2014

©2014 General Electric Company. All rights reserved.

Page 12

Characteristic Curves

The following figures provide typical characteristics for the 12A Digital SlimLynx

TM

at 5Vo and 25

o

C.

EFFI

CI

EN

CY

, η

(%

)

OUTPUT

CU

RRENT, Io

(A

)

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 31. Converter Efficiency versus Output Current.

Figure 32. Derating Output Current versus Ambient
Temperature and Airflow.

OUT

PU

T VOLT

AG

E

V

O

(V

) (5

0m

V/

di

v)

OUT

PU

T CU

RR

EN

T,

OUT

PU

T V

O

LT

AG

E

I

O

(A

) (

10

Ad

iv

)

V

O

(V

) (5

0m

V/

di

v)

TIME, t (500ns/div)

TIME, t (20

μs /div)

Figure 33. Typical output ripple and noise (C

O

=2x47μF

ceramic, V

IN

= 12V, I

o

= I

o,max,

).

Figure 34. Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout = 1x47uF+1x330uF,

CTune=2200pF & RTune=300Ω

OUT

PU

T V

O

LT

AGE

O

N

/OF

F V

O

LT

AGE

V

O

(V

) (2V/

di

v)

V

ON/OF

F

(V

) (5

V/

di

v)

O

U

TPU

T

VO

LTAG

E

IN

PU

T

VO

LTAGE

V

O

(V

) (2V/

di

v)

V

IN

(V

) (5

V/

di

v)

TIME, t (2ms/div)

TIME, t (2ms/div)

Figure 35. Typical Start-up Using On/Off Voltage (I

o

= I

o,max

).

Figure 36. Typical Start-up Using Input Voltage (V

IN

= 12V, I

o

=

I

o,max

).

60

65

70

75

80

85

90

95

100

0

2

4

6

8

10

12

Vin=7V

Vin=14V

Vin=12V

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