Picotlynx, 3a: non-isolated dc-dc power modules, Data sheet – GE Industrial Solutions PicoTLynx 3A User Manual

Page 6: Characteristic curves

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GE

Data Sheet

PicoTLynx

TM

3A: Non-Isolated DC-DC Power Modules

2.4Vdc –5.5Vdc input; 0.6Vdc to 3.63Vdc output; 3A Output Current

September 11, 2013

©2013 General Electric Company. All rights reserved.

Page 6

Characteristic Curves

The following figures provide typical characteristics for the Pico TLynx

TM

3A modules at 0.6Vo and at 25

o

C.

EFFICIE

N

C

Y,

η

(%

)

70

72

74

76

78

80

82

84

86

0

0.5

1

1.5

2

2.5

3

Vin=5.5V

Vin=2.4V

Vin=3.3V

OUTPUT CUR

REN

T, Io

(A)

0

0.5

1

1.5

2

2.5

3

3.5

20

30

40

50

60

70

80

90

0 LFM

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.

OUT

PU

T V

O

LT

AGE

V

O

(V

) (2

0m

V/

di

v)

OU

TP

U

T C

U

RR

EN

T,

OU

TP

U

T V

O

LT

AG

E

I

O

(A

) (

1A

div

)

V

O

(V) (100

mV/di

v)

TIME, t (1

μs/div)

TIME, t (20

μs /div)

Figure 3. Typical output ripple and noise (V

IN

= 5V, I

o

= I

o,max

).

Figure 4. Transient Response to Dynamic Load Change

from 0% to 50% to 0% with V

IN

=5V.

O

N

/O

FF VO

LT

AG

E

O

U

TPU

T V

O

LT

AG

E

V

ON

/O

FF

(V

) (

2V

/di

v)

V

O

(V) (200

mV/di

v)

I

N

PU

T VO

LT

AG

E

O

U

TPU

T V

O

LT

AG

E

V

IN

(V

) (

2V

/di

v)

V

O

(V

) (2

00

m

V/

di

v)

TIME, t (1ms/div)

TIME, t (1ms/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

= 5V, I

o

= I

o,max

).

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