Datasheet

0.01
0.1
1
10
100
1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02
Pulse Width Time (s)
R
JA
(°C/W) on 736 mm
2
q
10
-6
10
-5
10
-3
10
-1
10
10
2
50% duty cycle
20% duty cycle
10% duty cycle
5% duty cycle
2% duty cycle
1% duty cycle
0.5% duty cycle
0.2% duty cycle
10
3
10
-2
10
-4
Non-normalized response
20
30
40
50
60
70
80
90
0 200 400 600 800 1000 1200 1400 1600
Cu Land Pad Area (mm
2
)
R
JA
(°C/W)
1-oz Cu
2-oz Cu
q
TLE4275-Q1
SLVS647H –AUGUST 2006–REVISED MARCH 2013 www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T
A
= 25ºC
THERMAL RESISTANCE
versus
COPPER LAND PAD AREA
(JEDEC 51-3 Low-K Board)
THERMAL RESISTANCE
versus
PULSE WIDTH TIME
FOR VARIOUS DUTY CYCLES
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