2SK1305
Reverse Drain Current vs.
Source to Drain Voltage
20
Reverse Drain Current I
DR
(A)
Pulse Test
16
12
8
5V
4
V
GS
= 10 V
0, –5 V
0
0.4
0.8
1.2
1.6
2.0
Source to Drain Voltage V
SD
(V)
Normalized Transient Thermal Impedance
γ
S
(t)
Normalized Transient Thermal Impedance vs. Pulse Width
3
T
C
= 25°C
1.0
D=1
0.5
0.3
0.1
0.2
0.1
0.05
0.02
0.01
ulse
tP
Sho
1
100
µ
1m
10 m
100 m
θch–c
(t) =
γ
S
(t)
• θch–c
θch–c
= 5.0°C/W, T
C
= 25°C
P
DM
PW
T
1
10
D = PW
T
0.03
0.01
10
µ
Pulse Width PW (S)
Switching Time Test Circuit
Vin Monitor
Vout Monitor
D.U.T
R
L
Vout
50
Ω
Vin = 10 V
.
V
DD
= 30 V
.
td(on)
Vin
10 %
Waveforms
90 %
10 %
90 %
tr
90 %
td(off)
10 %
tf
Rev.2.00 Sep 07, 2005 page 5 of 6