Datasheet

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PTMA401120CharacteristicData(V
O
=12V)
(5)(6)
0
65
60
0.2
90
85
80
75
70
0.4 0.8 10.6
I − OutputCurrent − A
O
η − Efficiency − %
V
IN
=36V
V =48V
IN
V
IN
=60V
V
IN
=75V
1.2
2
0.8
1.6
0.4
0 0.2
0.4 10.6
I − OutputCurrent − A
O
P − PowerDissipation
D
− W
V
IN
=36V
V =48V
IN
V
IN
=60V
V
IN
=75V
0.8
40
80
20
60
10
0 0.2
0.4 10.6
I − OutputCurrent − A
O
V − OutputVoltageRipple
O
− V (mW)
PP
0.8
V
IN
=36V
V =48V
IN
V
IN
=60V
V
IN
=75V
70
50
30
40
80
30
70
20
0 0.2
0.4 10.6
I − OutputCurrent − A
O
AmbientTemperature − C
o
0.8
90
60
Natural
Convection
50
PTMA403033
PTMA402050
PTMA401120
SLTS259B–FEBRUARY2006–REVISEDMAY2007
TYPICALCHARACTERISTICS(continued)
EFFICIENCYPOWERDISSIPATION
vsOUTPUTCURRENTvsOUTPUTCURRENT
Figure9.Figure10.
OUTPUTVOLTAGERIPPLETEMPERATUREDERATING
vsOUTPUTCURRENTvsOUTPUTCURRENT
Figure11.Figure12.
(5)AlldatalistedinFigure9,Figure10,andFigure11havebeendevelopedfromactualproductstestedat25°C.Thisdataisconsidered
typicaldataforthedc-dcconverter.
(6)Thetemperaturederatingcurvesrepresentoperatingconditionsatwhichinternalcomponentsareatorbelowmanufacturer'smaximum
ratedoperatingtemperature.Deratinglimitsapplytomodulessoldereddirectlytoa100–mm×100–mm,double-sidedPCBwith2oz.
copper.Forsurfacemountpackages,multiplevias(platedthroughholes)arerequiredtoaddthermalpathsaroundthepowerpins.
Pleaserefertothemechanicalspecificationformoreinformation.AppliestoFigure12.
9
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