2a picotlynx, Non-isolated dc-dc power modules, Data sheet – GE Industrial Solutions 2A PicoTLynx User Manual

Page 9: Characteristic curves

Advertising
background image

GE

Data Sheet

2A PicoTLynx

TM

: Non-Isolated DC-DC Power Modules

3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current

February 26, 2013

©2013 General Electric Company. All rights reserved.

Page 9

Characteristic Curves

The following figures provide typical characteristics for the APXS002A0X-SRZ (2.5V, 2A) at 25

o

C.

EFFI

CI

EN

CY,

η

(%

)

70

75

80

85

90

95

100

0

0.4

0.8

1.2

1.6

2

Vin=14V

Vin=12V

Vin=3.3V

OUT

PUT

C

U

RR

ENT, Io

(A

)

0.0

0.5

1.0

1.5

2.0

2.5

45

55

65

75

85

95

105

NC

Standard Test

Extended Test

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

O

LT

AG

E

V

O

(V

) (1

0m

V/

di

v)

OU

TP

U

T C

U

RR

ENT

,

OU

TP

U

T V

O

LT

AG

E

I

O

(A

)

(1

Ad

iv

)

V

O

(V) (

100m

V/

di

v)

TIME, t (1

μs/div) TIME,

t

(20

μs /div)

Figure 21. Typical output ripple and noise (V

IN

= 12V, I

o

=

I

o,max

).

Figure 22. Transient Response to Dynamic Load Change from

0% to 50% to 0%.

OUT

PU

T V

O

LT

AGE

ON/

O

FF

VO

LT

AGE

V

O

(V)

(1

V/div)

V

ON

/P

FF

(V

) (5

V/

di

v)

O

U

TPU

T V

O

LT

AG

E

IN

PU

T VO

LTA

G

E

V

O

(V

) (

1V

/di

v)

V

IN

(V

) (5V/

div

)

TIME, t (2ms/div)

TIME, t (2ms/div)

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

o

= I

o,max,

V

in=

12V,Cext=

22uF

).

Figure 24. Typical Start-up Using Input Voltage (V

IN

= 12V,

Cext=

22 uF, I

o

= I

o,max

).

Advertising