16v picotlynx, 4a: non-isolated dc-dc power modules, Data sheet – GE Industrial Solutions 16V PicoTLynx 4A User Manual

Page 11: Characteristic curves

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GE

Data Sheet

16V PicoTLynx

TM

4A: Non-Isolated DC-DC Power Modules

8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current

September 10, 2013

©2013 General Electric Company. All rights reserved.

Page 11


Characteristic Curves

The following figures provide typical characteristics for the 16V PicoTLynx

TM

4A at 5.0 Vo and at 25

o

C.

EFFI

CIE

N

CY

, η

(%)

55

60

65

70

75

80

85

90

95

100

0

1

2

3

4

Vin=16V

Vin=12V

Vin=8V

O

U

TP

UT

C

U

RR

ENT,

Io

(A

)

0.5

1.5

2.5

3.5

4.5

20

30

40

50

60

70

80

90

NC

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 31. Converter Efficiency versus Output Current.

Figure 31. Derating Output Current versus Ambient
Temperature and Airflow.

OUT

PUT

VOLT

AGE

V

O

(V) (5

0mV/

di

v)

OUTPUT CURRE

N

T,

OUTPUT VOLTAGE

I

O

(A) (2A

div

) V

O

(V) (5

00mV/

di

v)

TIME, t (1

μs/div) TIME,

t

(20

μs /div)

Figure 33. Typical output ripple and noise (V

IN

= 12V, I

o

= I

o,max

).

Figure 34. Transient Response to Dynamic Load Change
from 0% 50% to 0%.

OUTPUT VOLTAGE

ON

/OFF VOL

TAGE

V

O

(V) (2

V/div

)

V

ON/

O

FF

(V) (

5V/d

iv)

OUTPUT VOLTAGE

INPUT VOLTAGE

V

0

(V) (2V/

div

)

V

IN

(V) (10V/d

iv

)

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

).


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