Characteristic curves – GE Industrial Solutions 12V Mega TLynx User Manual

Page 5

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Data Sheet
May 4, 2012

12V Mega TLynx

TM

: Non-Isolated DC-DC Power Modules:

6.0 – 14Vdc Input; 0.8Vdc to 3.63Vdc Output; 30A output

current

LINEAGE

POWER

5

Characteristic Curves

The following figures provide typical characteristics for the APTS030A0X3-SRPHZ at 0.8V out and 25

o

C.

EF

FI

CI

EN

C

Y

, η

(%)

70

75

80

85

90

95

0

5

10

15

20

25

30

Vin=14V

Vin=6V

Vin=12V

OUTPUT

CURR

E

N

T

, I

o

(A

)

0

5

10

15

20

25

30

35

35

45

55

65

75

85

0.5m/s

(100LFM)

1m/s

(200LFM)

NC

OUTPUT CURRENT, I

O

(A)

AMBIENT TEMPERATURE, T

A

O

C

Figure 1. Converter Efficiency versus Output Current.

Figure 4. Derating Output Current versus Ambient
Temperature and Airflow at 12V in.

O

U

T

P

U

T

VOLTAGE

V

O

(V

) (2

0m

V

/d

iv

)

OUT

P

UT

CU

RR

ENT

,

OUTPU

T

VO

LT

A

G

E

I

O

(

A

)

(5

Adi

v)

V

O

(V

) (2

00

mV

/d

iv

)

TIME, t (1

μs/div)

TIME, t (20

μs /div)

Figure 2. Typical output ripple and noise (V

IN

= 12V, I

o

=

30A,

C

OUT

= 0.1μF // 47 μF ceramic capacitors ).

Figure 5. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V

IN

=12V.

O

U

TP

U

T

V

O

L

T

A

G

E

O

N

/O

FF

VOLTAG

E

V

O

(V

) (2

00

mV/d

iv

)

V

ON

/O

F

F

(V

)

(5

V

/d

iv)

O

U

T

P

UT

V

O

LT

A

G

E

IN

P

U

T

V

O

LT

A

G

E

V

O

(V

) (2

00

mV/d

iv

)

V

IN

(V)

(5V/

di

v)

TIME, t (2ms/div)

TIME, t (2ms/div)

Figure 3. Typical Start-up Using On/Off Voltage (I

o

=

I

o,max

).

Figure 6. Typical Start-up Using Input Voltage (VIN =
14V, Io = Io,max).

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