IRFPS37N50A, SiHFPS37N50A
Vishay Siliconix
40
V
GS
R
G
V
DS
R
D
D.U.T.
+
-
V
DD
I
D
, Drain Current (A)
30
10
V
Pulse
width
≤
1
µs
Duty factor
≤
0.1
%
20
Fig. 10a - Switching Time Test Circuit
V
DS
10
90
%
0
25
50
75
100
125
150
T
C
, Case Temperature ( ° C)
Fig. 9 - Maximum Drain Current vs. Case Temperature
10
%
V
GS
t
d(on)
t
r
t
d(off)
t
f
Fig. 10b - Switching Time Waveforms
1
Thermal Response (Z
thJC
)
D = 0.50
0.1
0.20
0.10
0.05
0.02
0.01
P
DM
SINGLE PULSE
(THERMAL RESPONSE)
t
1
t
2
Notes:
1. Duty factor D = t
1
/ t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.0001
0.001
0.01
0.1
1
0.01
0.001
0.00001
t
1
, Rectangular Pulse Duration (sec)
Fig. 11 - Maximum Effective Transient Thermal Impedance, Junction-to-Case
V
DS
15
V
t
p
V
DS
L
Driver
R
G
20
V
t
p
D.U.T.
I
AS
0.01
Ω
+
A
-
V
DD
I
AS
Fig. 12a - Unclamped Inductive Test Circuit
Fig. 12b - Unclamped Inductive Waveforms
Document Number: 91258
S-81368-Rev. B, 21-Jul-08
www.vishay.com
5
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