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

Page 8: 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 8

Characteristic Curves

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

TM

at 1.8Vo and 25

o

C.

EFFIC

IE

N

CY

, η

(

%

)

OU

TP

UT

CURR

ENT, I

o (

A)

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 13. Converter Efficiency versus Output Current.

Figure 14. Derating Output Current versus Ambient
Temperature and Airflow.

OUTPU

T V

O

LTAG

E

V

O

(V) (20mV

/div)

O

U

TPU

T

CU

RRENT,

O

U

TPU

T VO

LT

AG

E

I

O

(A

)

(1

Ad

iv

)

V

O

(V) (10mV

/div)

TIME, t (1

μs/div)

TIME, t (20

μs /div)

Figure 15. Typical output ripple and noise (C

O

=10μF ceramic, V

IN

= 12V, I

o

= I

o,max,

).

Figure 16. Transient Response to Dynamic Load Change
from 50% to 100% at 12Vin, Cout-1x47uF+1x330uF, CTune-
10nF & RTune-261

O

U

TPU

T

VO

LT

AG

E

O

N

/O

FF

VO

LTA

G

E

V

O

(V) (500

mV/di

v)

V

ON

/O

FF

(V

) (5

V/

di

v)

O

U

TPU

T

VO

LTAG

E

IN

PUT

VO

LTAGE

V

O

(V) (500

mV/di

v)

V

IN

(V

) (5V/

di

v)

TIME, t (2ms/div)

TIME, t (2ms/div)

Figure 17. Typical Start-up Using On/Off Voltage (I

o

= I

o,max

).

Figure 18. Typical Start-up Using Input Voltage (V

IN

= 12V, I

o

= I

o,max

).

75

80

85

90

95

100

0

0.5

1

1.5

2

2.5

3

Vin=3.3V

Vin=14.4V

Vin=12V

1.5

2.0

2.5

3.0

3.5

55

65

75

85

95

105

0.5m/s

(100LFM)

NC

Standard Part

(85

°C)

Ruggedized (D)

Part (105

°C)

1m/s

(200LFM)

1.5m/s

(300LFM)

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