12a digital slimlynx, Open frame: non-isolated dc-dc power modules, Data sheet – GE Industrial Solutions 12A Digital SlimLynx Open Frame User Manual

Page 7: Characteristic curves

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GE

Data Sheet

12A Digital SlimLynx

TM

Open Frame: 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 Corporation. All rights reserved.

Page 7

Characteristic Curves

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

TM

at 0.6Vo 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 1. Converter Efficiency versus Output Current.

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

OUT

PU

T VOLT

AG

E

V

O

(V

) (5

0m

V/

di

v)

O

U

TP

UT C

U

RRENT,

O

U

TPU

T

VO

LT

AG

E

I

O

(A

)

(5Ad

iv)

V

O

(V) (10m

V/div)

TIME, t (500ns/div)

TIME, t (20

μs /div)

Figure 3. Typical output ripple and noise (C

O

=2x47μF

ceramic, V

IN

= 12V, I

o

= I

o,max,

).

Figure 4. Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout=1x47uF+11x330uF,

CTune=47nF,

RTune=180Ω

OU

TP

U

T

VO

LT

AG

E

ON

/O

FF

VO

LTAG

E

V

O

(V

) (200

mV/div

)

V

ON

/O

FF

(V

) (5V/

div

)

O

U

TPU

T

VO

LTAG

E

IN

PU

T

VO

LT

AG

E

V

O

(V

) (

20

0mV

/d

iv

)

V

IN

(V

) (5V/

di

v)

TIME, t (2ms/div)

TIME, t (2ms/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

= 12V, I

o

=

I

o,max

).

50

55

60

65

70

75

80

85

0

2

4

6

8

10

12

Vin=3.3V

Vin=14.4V

Vin=12V

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