IRLZ44Z/S/LPbF
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)
0
500
1000
1500
2000
2500
C
,
C
a
p
a
c
i
t
a
n
c
e
(
p
F
)
Coss
Crss
Ciss
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
0 1020304050
Q
G
Total Gate Charge (nC)
0
2
4
6
8
10
12
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
= 44V
VDS= 28V
VDS= 11V
I
D
= 31A
0.2 0.6 1.0 1.4 1.8
V
SD
, Source-to-Drain Voltage (V)
0.1
1.0
10.0
100.0
1000.0
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
= 175°C
V
GS
= 0V
1 10 100 1000
V
DS
, Drain-toSource 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
)
Tc = 25°C
Tj = 175°C
Single Pulse
1msec
10msec
OPERATION IN THIS AREA
LIMITED BY R
DS
(on)
100µsec
IRLZ44Z/S/LPbF
www.irf.com 5
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
Fig 9. Maximum Drain Current Vs.
Case Temperature
Fig 10. Normalized On-Resistance
Vs. Temperature
25 50 75 100 125 150 175
T
J
, Junction Temperature (°C)
0
10
20
30
40
50
60
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
t
1
, Rectangular Pulse Duration (sec)
0.001
0.01
0.1
1
10
T
h
e
r
m
a
l
R
e
s
p
o
n
s
e
(
Z
t
h
J
C
)
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 Zthjc + Tc
Ri (°C/W) τi (sec)
0.736 0.000345
0.687 0.00147
0.449 0.007058
τ
J
τ
J
τ
1
τ
1
τ
2
τ
2
τ
3
τ
3
R
1
R
1
R
2
R
2
R
3
R
3
τ
τ
C
Ci i/Ri
Ci= τi/Ri
-60 -40 -20 0 20 40 60 80 100 120 140 160 180
T
J
, Junction Temperature (°C)
0.5
1.0
1.5
2.0
2.5
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
(
N
o
r
m
a
l
i
z
e
d
)
I
D
= 30A
V
GS
= 5.0V
IRLZ44Z/S/LPbF
6 www.irf.com
Q
G
Q
GS
Q
GD
V
G
Charge
10 V
Fig 13b. Gate Charge Test Circuit
Fig 13a. Basic Gate Charge Waveform
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
Fig 12b. Unclamped Inductive Waveforms
Fig 12a. Unclamped Inductive Test Circuit
t
p
V
(BR)DSS
I
AS
Fig 14. Threshold Voltage Vs. Temperature
R
G
I
AS
0.01
t
p
D.U.T
L
V
DS
+
-
V
DD
DRIVER
A
15V
20V
V
GS
1K
VCC
DUT
0
L
25 50 75 100 125 150 175
Starting T
J
, Junction Temperature (°C)
0
80
160
240
320
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
3.7A
5.7A
BOTTOM
31A
-75 -50 -25 0 25 50 75 100 125 150 175
T
J
, Temperature ( °C )
0.5
1.0
1.5
2.0
2.5
3.0
V
G
S
(
t
h
)
G
a
t
e
t
h
r
e
s
h
o
l
d
V
o
l
t
a
g
e
(
V
)
I
D
= 250µA

IRLZ44ZPBF

Mfr. #:
Manufacturer:
Infineon / IR
Description:
MOSFET MOSFT 55V 51A 24nC 13.5mOhm LogLvAB
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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