Datasheet

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TYPICALCHARACTERISTICS
PTMA403033CharacteristicData(V
O
=3.3V)
(1)(2)
0.5
0
2.5
2.0
1.5
1.0
3.0
0 0.5 1.0 2.0 2.5
3.01.5
I
O
− Output Current − A
V
I
N
= 48 V
V
IN
= 36 V
V
IN
= 60 V
V
IN
= 75 V
P
D
− Power Dissipation −W
0
60
55
0.5
85
80
75
70
65
1.0 2.0
2.5 3.0
1.5
I
O
− Output Current − A
V
IN
= 48 V
V
IN
= 36 V
V
IN
= 60 V
V
I
N
= 75 V
η  Efficiency − %
30
40
60
10
20
50
0 0.5 1.0 2.0 2.51.5
0
I
O
− Output Current − A
V
O
− Output Voltage Ripple − V
PP
mV
V
IN
= 48 V
V
IN
= 36 V
V
IN
= 60 V
V
IN
= 75 V
20
30
40
50
60
70
80
90
0 0.5 1.0 2.0 2.5
3.01.5
I
O
− Output Current − A
200 LFM
T
A
− Ambient Temperature − °C
Natural
Convection
PTMA403033
PTMA402050
PTMA401120
SLTS259B–FEBRUARY2006–REVISEDMAY2007
EFFICIENCYPOWERDISSIPATION
vsOUTPUTCURRENTvsOUTPUTCURRENT
Figure1.Figure2.
OUTPUTVOLTAGERIPPLETEMPERATUREDERATING
vsOUTPUTCURRENTvsOUTPUTCURRENT
Figure3.Figure4.
(1)AlldatalistedinFigure1,Figure2,andFigure3havebeendevelopedfromactualproductstestedat25°C.Thisdataisconsidered
typicaldataforthedc-dcconverter.
(2)Thetemperaturederatingcurvesrepresentoperatingconditionsatwhichinternalcomponentsareatorbelowmanufacturer'smaximum
ratedoperatingtemperature.Deratinglimitsapplytomodulessoldereddirectlytoa100–mm×100–mm,double-sidedPCBwith2oz.
copper.Forsurfacemountpackages,multiplevias(platedthroughholes)arerequiredtoaddthermalpathsaroundthepowerpins.
Pleaserefertothemechanicalspecificationformoreinformation.AppliestoFigure4.
7
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