Characteristic curves, 12a analog picodlynx, Non-isolated dc-dc power modules – GE Industrial Solutions 12A Analog PicoDLynx User Manual

Page 9: Data sheet

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GE

Data Sheet

12A Analog PicoDLynx

TM

: Non-Isolated DC-DC Power Modules

3Vdc –14.4Vdc input; 0.6Vdc to 5.5Vdc output; 12A Output Current

August 13, 2013

©2013 General Electric Corporation. All rights reserved.

Page 9

Characteristic Curves

The following figures provide typical characteristics for the 12A Analog PicoDLynx

TM

at 2.5Vo and 25

o

C.

EF

FIC

IE

N

CY

, η

(

%)

O

U

TP

U

T C

U

RRE

N

T, Io

(

A)

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 19. Converter Efficiency versus Output Current.

Figure 20. Derating Output Current versus Ambient

Temperature and Airflow.

OU

TP

U

T V

OL

TA

G

E

V

O

(V

) (2

0m

V/

di

v)

O

U

TP

U

T C

U

RR

ENT,

O

U

TP

U

T

VO

LT

AG

E

I

O

(A

) (1

0Ad

iv

)

V

O

(V

) (

20

mV

/d

iv)

TIME, t (1µs/div)

TIME, t (20µs /div)

Figure 21. Typical output ripple and noise (C

O

=22μF

ceramic, V

IN

= 12V, I

o

= I

o,max,

).

Figure 22. Transient Response to Dynamic Load Change from

50% to 100% at 12Vin, Cout-1x47uF+1x330uF,CTune-3300pF &

RTune-270ohms

O

U

TP

U

T

VO

LT

AG

E

ON

/O

FF

VOL

TA

G

E

V

O

(V

) (1

V/

di

v)

V

ON

/OF

F

(V

) (5

V/

di

v)

O

U

TP

U

T V

O

LTA

G

E

INP

U

T

VO

LTA

G

E

V

O

(V

) (1

V/

di

v)

V

IN

(V

) (5

V/

di

v)

TIME, t (2ms/div)

TIME, t (2ms/div)

Figure 23. Typical Start-up Using On/Off Voltage (I

o

= I

o,max

). Figure 24. 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=4.5V

Vin=14.4V

Vin=12V

0

2

4

6

8

10

12

55

65

75

85

95

105

2m/s

(400LFM)

1.5m/s

(300LFM)

1m/s

(200LFM)

0.5m/s

(100LFM)

NC

Standard Part

(85

°C)

Ruggedized (D)

Part (105

°C)

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