IRLR/U3915PbF
4 www.irf.com
Fig 8. Maximum Safe Operating Area
Fig 6. Typical Gate Charge vs.
Gate-to-Source Voltage
Fig 5. Typical Capacitance vs.
Drain-to-Source Voltage
Fig 7. Typical Source-Drain Diode
Forward Voltage
1 10 100
V
DS
, Drain-to-Source Voltage (V)
10
100
1000
10000
100000
C
,
C
a
p
a
c
i
t
a
n
c
e
(
p
F
)
V
GS
= 0V, f = 1 MHZ
C
iss
= C
gs
+ C
gd
, C
ds
SHORTED
C
rss
= C
gd
C
oss
= C
ds
+ C
gd
C
oss
C
rss
C
iss
0 10 20 30 40 50 60 70
0
2
4
6
8
10
12
Q , Total Gate Charge (nC)
V , Gate-to-Source Voltage (V)
G
GS
I
=
D
30A
V = 11V
DS
V = 27V
DS
V = 44V
DS
0.1
1
10
100
1000
0.0 0.5 1.0 1.5 2.0
V ,Source-to-Drain Voltage (V)
I , Reverse Drain Current (A)
SD
SD
V = 0 V
GS
T = 175 C
J
°
T = 25 C
J
°
1 10 100 1000
V
DS
, Drain-to-Source Voltage (V)
1
10
100
1000
I
D
,
D
r
a
i
n
-
t
o
-
S
o
u
r
c
e
C
u
r
r
e
n
t
(
A
)
Tc = 25°C
Tj = 175°C
Single Pulse
1msec
10msec
OPERATION IN THIS AREA
LIMITED BY R
DS
(on)
100µsec
