3a analog picodlynx, Non-isolated dc-dc power modules, Preliminary data sheet – GE Industrial Solutions 3A Analog PicoDLynx User Manual

Page 11: Characteristic curves

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GE

Preliminary Data Sheet

3A Analog PicoDLynx

TM

: Non-Isolated DC-DC Power Modules

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


December 7, 2012

©2012 General Electric Company. All rights reserved.

Page 11

Characteristic Curves

The following figures provide typical characteristics for the 3A Analog PicoDLynx

TM

at 5Vo 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 31. Converter Efficiency versus Output Current.

Figure 32. 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)

OUTPU

T

CU

RR

EN

T,

OU

TP

U

T

VO

LT

AG

E

I

O

(A

) (

1Adi

v)

V

O

(V

) (50

m

V/d

iv)

TIME, t (1

μs/div) TIME,

t

(20

μs /div)

Figure 33. Typical output ripple and noise (C

O

=10μF ceramic,

V

IN

= 12V, I

o

= I

o,max,

).

Figure 34. Transient Response to Dynamic Load Change
from 50% to 100% at 12Vin, Cout-1x47uF,

CTune-820pF &

RTune-261

O

U

TPU

T

VO

LT

AG

E

O

N

/O

FF

VO

LT

AG

E

V

O

(V

) (

2V

/di

v)

V

ON

/O

FF

(V

) (5V

/div

)

O

U

TPUT

VO

LTAGE

INP

U

T V

O

LT

AG

E

V

O

(V

) (

2V

/di

v)

V

IN

(V

) (

5V

/di

v)

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

).

60

65

70

75

80

85

90

95

100

0

0.5

1

1.5

2

2.5

3

Vin=8V

Vin=14.4V

Vin=12V

1.5

2.0

2.5

3.0

3.5

45

55

65

75

85

95

105

1m/s

(200LFM)

0.5m/s

(100LFM)

NC

Ruggedized (D)

Part (105

°C)

Standard

Part (85

°C)

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