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

Page 7: 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 7

Characteristic Curves

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

TM

at 1.2Vo and 25

o

C.

EFFIC

IE

N

C

Y,

η

(%)

O

U

TP

UT CURR

ENT, I

o (A)

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 7. Converter Efficiency versus Output Current.

Figure 8. Derating Output Current versus Ambient

Temperature and Airflow.

OU

TP

U

T V

O

LT

AG

E

V

O

(V

) (2

0m

V/

di

v)

O

U

TPU

T

CU

RR

EN

T,

O

U

TPU

T VO

LTAG

E

I

O

(A

) (

2Adi

v)

V

O

(V) (10m

V/

di

v)

TIME, t (1

μs/div)

TIME, t (20

μs /div)

Figure 9. Typical output ripple and noise (C

O

=10μF ceramic,

V

IN

= 12V, I

o

= I

o,max,

).

Figure 10. Transient Response to Dynamic Load Change

from 50% to 100% at 12Vin, Cout-1x47uF+3x330uF,

CTune-

12nF & RTune-178

O

U

TPU

T

VO

LT

AG

E

O

N

/O

FF

VO

LTAGE

V

O

(V) (500

mV/di

v)

V

ON

/O

FF

(V

) (

5V

/d

iv

)

O

U

TPU

T

VO

LT

AG

E

IN

PU

T

VO

LTAG

E

V

O

(V) (500

mV/di

v)

V

IN

(V

) (1

0V

/d

iv

)

TIME, t (2ms/div)

TIME, t (2ms/div)

Figure 11. Typical Start-up Using On/Off Voltage (I

o

= I

o,max

).

Figure 12. Typical Start-up Using Input Voltage (V

IN

= 12V, I

o

= I

o,max

).

55

60

65

70

75

80

85

90

95

0

1

2

3

4

5

6

Vin=3.3V

Vin=14.4V

Vin=12V

4.5

5.0

5.5

6.0

6.5

55

65

75

85

95

105

0.5m/s

(100LFM)

NC

Standard

Part (85 C)

Ruggedized (D)

Part (105

°C)

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