IRF7494PBF

IRF7494PbF
4 www.irf.com
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
Fig 8. Maximum Safe Operating Area
1 10 100 1000
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 5 10 15 20 25 30 35 40 45
Q
G
,
Total Gate Charge (nC)
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
V
G
S
,
G
a
t
e
-
t
o
-
S
o
u
r
c
e
V
o
l
t
a
g
e
(
V
)
V
DS
= 120V
V
DS
= 75V
VDS= 30V
I
D
= 3.1A
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
V
SD
, Source-to-Drain Voltage (V)
0.1
1
10
100
I
S
D
,
R
e
v
e
r
s
e
D
r
a
i
n
C
u
r
r
e
n
t
(
A
)
T
J
= 25°C
T
J
= 150°C
V
GS
= 0V
0 1 10 100 1000
V
DS
, Drain-to-Source Voltage (V)
0.1
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
)
OPERATION IN THIS AREA
LIMITED BY R
DS
(on)
T
A
= 25°C
Tj = 150°C
Single Pulse
100µsec
1msec
10msec
IRF7494PbF
www.irf.com 5
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
Fig 10a. Switching Time Test Circuit
V
DS
90%
10%
V
GS
t
d(on)
t
r
t
d(off)
t
f
Fig 10b. Switching Time Waveforms
V
DS
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
R
D
V
GS
R
G
D.U.T.
10V
+
-
V
DD
Fig 9. Maximum Drain Current vs.
Ambient Temperature
25 50 75 100 125 150
T
A
, Ambient Temperature (°C)
0
1
2
3
4
5
6
I
D
,
D
r
a
i
n
C
u
r
r
e
n
t
(
A
)
1E-006 1E-005 0.0001 0.001 0.01 0.1 1 10 100
t
1
, Rectangular Pulse Duration (sec)
0.0001
0.001
0.01
0.1
1
10
100
T
h
e
r
m
a
l
R
e
s
p
o
n
s
e
(
Z
t
h
J
A
)
°
C
/
W
0.20
0.10
D = 0.50
0.02
0.01
0.05
SINGLE PULSE
( THERMAL RESPONSE )
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthja + T
A
IRF7494PbF
6 www.irf.com
Fig 13. On-Resistance vs. Gate Voltage
Fig 12. On-Resistance vs. Drain Current
Fig 14a&b. Basic Gate Charge Test Circuit
and Waveform
Fig 15a&b. Unclamped Inductive Test circuit
and Waveforms
Fig 15c. Maximum Avalanche Energy
vs. Drain Current
t
p
V
(BR)DSS
I
AS
R
G
I
AS
0.01
t
p
D.U.T
L
V
DS
+
-
V
DD
DRIVER
A
15V
20V
1K
VCC
DUT
0
L
V
GS
Q
G
Q
GS
Q
GD
V
G
Charge
4 6 8 10 12 14 16 18 20
V
GS,
Gate -to -Source Voltage (V)
20
30
40
50
60
70
80
90
100
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
(
m
)
I
D
= 5.1A
T
J
= 25°C
T
J
= 125°C
0 5 10 15 20 25 30 35 40 45
I
D
, Drain Current (A)
30
35
40
45
50
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
(
m
)
Vgs = 10V
25 50 75 100 125 150
Starting T
J
, Junction Temperature (°C)
0
100
200
300
400
500
600
700
E
A
S
,
S
i
n
g
l
e
P
u
l
s
e
A
v
a
l
a
n
c
h
e
E
n
e
r
g
y
(
m
J
)
I
D
TOP 1.4A
2.5A
BOTTOM 3.1A

IRF7494PBF

Mfr. #:
Manufacturer:
Infineon / IR
Description:
MOSFET 150V 1 N-CH HEXFET 44mOhms 36nC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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