Datasheet

IRF5805PbF
6 www.irf.com
Fig 13. Typical On-Resistance Vs.
Drain Current
Fig 12. Typical On-Resistance Vs.
Gate Voltage
2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
-V
GS,
Gate -to -Source Voltage (V)
0.050
0.100
0.150
0.200
0.250
0.300
0.350
0.400
0.450
0.500
R
D
S
(
o
n
)
,
D
r
a
i
n
-
t
o
-
S
o
u
r
c
e
O
n
R
e
s
i
s
t
a
n
c
e
(
Ω
)
I
D
= -3.8A
0 5 10 15 20
-I
D
, Drain Current ( A )
0.000
0.100
0.200
0.300
0.400
R
D
S
(
o
n
)
,
D
r
a
i
n
-
t
o
-
S
o
u
r
c
e
O
n
R
e
s
i
s
t
a
n
c
e
(
Ω
)
VGS = -4.5V
VGS = -10V
Fig 14b. Gate Charge Test Circuit
Fig 14a. Basic Gate Charge Waveform
Q
G
Q
GS
Q
GD
V
G
Charge
D.U.T.
V
DS
I
D
I
G
-3mA
V
GS
.3µF
50KΩ
.2µF
12V
Current Regulator
Same Type as D.U.T.
Current Sampling Resistors
+
-