RJK6022DJE
10
Normalized Transient Thermal Impedance vs. Pulse Width
D=1
1
0.5
0.2
0.1
0.1 0.05
0.02
0.01
1shot
pulse
0.01
10 µ 100 µ 1 m
θch – a (t) = γ s (t) • θch – a
θch – a = 139°C/W, Ta = 25°C
PDM
D=
PW
T
PW
T
10 m 100 m
1
10
Pulse Width PW (S)
100 1000 10000
Switching Time Test Circuit
Vin Monitor
10 Ω
Vin
10 V
D.U.T.
Vout
Monitor
RL
VDD
= 300 V
Waveform
90%
Vin
Vout
10%
10%
10%
td(on)
90%
90%
tr
td(off)
tf
Rev.6.00 Nov 10, 2006 page 5 of 6