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

Page 6: 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 6

Characteristic Curves

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

TM

at 0.6Vo and 25

o

C.

EF

FI

CI

EN

CY,

η

(

%

)

OUTPUT C

U

RRENT

, Io (

A)

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 1. Converter Efficiency versus Output Current.

Figure 2. Derating Output Current versus Ambient Temperature
and Airflow.

UTPUT

VOLTAG

E

V

O

(V) (20mV

/div)

OUTPU

T

CU

RRENT,

OUT

PU

T

VOLTAG

E

I

O

(A

) (

2Adi

v)

V

O

(V) (10mV

/div)

TIME, t (1

μs/div)

TIME, t (20

μs /div)

Figure 3. Typical output ripple and noise (C

O

=10μF ceramic,

V

IN

= 8V, I

o

= I

o,max,

).

Figure 4. Transient Response to Dynamic Load Change from 50%

to 100% at 8Vin, Cout-1x47uF+4x330uF,

CTune-33nF, RTune-178

O

U

TP

UT

V

O

LT

AGE

ON/

O

FF

V

O

LT

AGE

V

O

(V

) (2

00

m

V/

di

v)

V

ON

/OF

F

(V

) (5V/

div

)

OUT

PU

T V

O

LT

AG

E

INPU

T V

O

LT

AG

E

V

O

(V

) (20

0mV/div

)

V

IN

(V) (

5V/

di

v)

TIME, t (2ms/div)

TIME, t (2ms/div)

Figure 5. Typical Start-up Using On/Off Voltage (I

o

= I

o,max

).

Figure 6. Typical Start-up Using Input Voltage (V

IN

= 8V, I

o

= I

o,max

).

50

55

60

65

70

75

80

85

90

0

1

2

3

4

5

6

Vin=8V

Vin=6V

Vin=3.3V

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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