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

Page 10: 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 10

Characteristic Curves

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

TM

at 3.3Vo 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 25. Converter Efficiency versus Output Current.

Figure 26. Derating Output Current versus Ambient
Temperature and Airflow.

OUTPU

T V

O

LTAG

E

V

O

(V) (20m

V/

di

v)

O

U

TPU

T

CU

RRE

N

T

O

U

TPUTVO

LT

AG

E

I

O

(A

) (

2Adi

v)

V

O

(V) (20mV/div)

TIME, t (1

μs/div) TIME,

t

(20

μs /div)

Figure 27. Typical output ripple and noise (C

O

=10μF

ceramic, V

IN

= 12V, I

o

= I

o,max,

).

Figure 28. Transient Response to Dynamic Load Change

from 50% to 100% at 12Vin, Cout-3x47uF, CTune-178 &
RTune-3900pF

O

U

TPU

T

VO

LTA

G

E

O

N

/O

FF

V

O

LT

AG

E

V

O

(V)

(1

V/d

iv)

V

ON

/OFF

(V) (

5V

/di

v)

O

U

TP

UT

VO

LT

AG

E

I

N

PU

T

VO

LT

AG

E

V

O

(V)

(1

V/d

iv)

V

IN

(V

) (10V

/d

iv)

TIME, t (2ms/div)

TIME, t (2ms/div)

Figure 29. Typical Start-up Using On/Off Voltage (I

o

= I

o,max

). Figure 30. Typical Start-up Using Input Voltage (V

IN

= 12V, I

o

= I

o,max

).

65

70

75

80

85

90

95

100

0

1

2

3

4

5

6

Vin=5V

Vin=14.4V

Vin=12V

4.0

4.5

5.0

5.5

6.0

6.5

55

65

75

85

95

105

1.5m/s

(300LFM)

NC

Standard

Part (85

°C)

Ruggedized (D)

Part (105

°C)

0.5m/s

(100LFM)

1m/s

(200LFM)

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