6a analog picodlynx, Non-isolated dc-dc power modules, Preliminary data sheet – GE Industrial Solutions 6A Analog PicoDLynx User Manual

Page 9: Characteristic curves

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GE

Preliminary Data Sheet

6A Analog PicoDLynx

TM

: Non-Isolated DC-DC Power Modules

3Vdc –14.4Vdc input; 0.6Vdc to 5.5Vdc output; 6A Output Current

December 7, 2012

©2012 General Electric Company. All rights reserved.

Page 9

Characteristic Curves

The following figures provide typical characteristics for the 6A Analog PicoDLynx

TM

at 2.5Vo and 25

o

C.

EF

FI

CI

EN

CY,

η

(

%

)

OUT

PUT

C

U

RR

ENT, I

o

(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.

OUTPUT

V

O

LTAG

E

V

O

(V) (20m

V/

di

v)

OUT

PUT

CU

RR

EN

T,

OUT

PUT

V

O

LT

AG

E

I

O

(A

)

(2

Ad

iv

)

V

O

(V

) (2

0m

V/

di

v)

TIME, t (1

μs/div)

TIME, t (20

μs /div)

Figure 21. Typical output ripple and noise (C

O

=10μF ceramic,

V

IN

= 12V, I

o

= I

o,max,

).

Figure 22. Transient Response to Dynamic Load Change
from 50% to 100% at 12Vin, Cout-3x47uF, CTune-3300pF &
RTune-178

O

U

TP

UT

VO

LTA

G

E

O

N

/O

FF

V

O

LTA

G

E

V

O

(V)

(1

V/d

iv)

V

ON

/O

FF

(V

) (5

V/

di

v)

O

U

TPU

T

VO

LT

AG

E

IN

PU

T

VO

LTAG

E

V

O

(V)

(1

V/d

iv)

V

IN

(V) (10V/div)

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

1

2

3

4

5

6

Vin=4.5V

Vin=14.4V

Vin=12V

4.5

5.0

5.5

6.0

6.5

55

65

75

85

95

105

1.0m/s

(200LFM)

NC

Standard

Part (85

°C)

Ruggedized (D)

Part (105°C)

0.5m/s

(100LFM)

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