Datasheet

Document Number: 91079 www.vishay.com
S11-1051-Rev. C, 30-May-11 5
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
IRF9540S, SiHF9540S
Vishay Siliconix
Fig. 9 - Maximum Drain Current vs. Case Temperature
Fig. 10a - Switching Time Test Circuit
Fig. 10b - Switching Time Waveforms
Fig. 11 - Maximum Effective Transient Thermal Impedance, Junction-to-Case
150
- I
D
, Drain Current (A)
T
C
, Case Temperature (°C)
0
4
8
12
16
20
25
91079_09
1251007550
175
R
g
I
AS
0.01 Ω
t
p
D.U.T.
L
V
DS
- 10 V
+
-
V
DD
V
GS
10 %
90 %
V
DS
t
d(on)
t
r
t
d(off)
t
f
10
1
0.1
10
-2
10
-5
10
-4
10
-3
10
-2
0.1 1 10
P
DM
t
1
t
2
t
1
, Rectangular Pulse Duration (s)
Thermal Response (Z
thJC
)
Notes:
1. Duty Factor, D = t
1
/t
2
2. Peak T
j
= P
DM
x Z
thJC
+ T
C
Single Pulse
(Thermal Response)
0.2
0.05
0.02
0.01
91079_11
0.1
D = 0.5