FDS6690A
Typical Characteristic
1
r(t), NORMALIZED EFFECTIVE TRANSIENT
THERMAL RESISTANCE
D = 0.5
0.2
0.1
0.1
0.05
R
θJA
(t) = r(t) * R
θJA
/W
R
θJA
= 125
P(pk)
t
1
t
2
SINGLE PULSE
£
0.02
0.01
0.01
T
J
- T
A
= P * R
θJA
(t)
Duty Cycle, D = t
1
/ t
2
0.001
0.0001
0.001
0.01
0.1
t
1
, TIME (sec)
1
10
100
1000
Figure 12. Transient Thermal Response Curve.
Thermal characterization performed using the conditions described in Note 1c.
Transient thermal response will change depending on the circuit board design.
FDS6690A Rev E1 (W)