PD - 95379A
Features
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Advanced Process Technology
Ultra Low On-Resistance
Dynamic dv/dt Rating
175°C Operating Temperature
Fast Switching
Repetitive Avalanche Allowed up to Tjmax
Lead-Free
G
HEXFET
®
Power MOSFET
D
IRFZ44ZPbF
IRFZ44ZSPbF
IRFZ44ZLPbF
V
DSS
= 55V
R
DS(on)
= 13.9mΩ
Description
This HEXFET
®
Power MOSFET utilizes the latest
processing techniques to achieve extremely low
on-resistance per silicon area. Additional features
of this design are a 175°C junction operating
temperature, fast switching speed and improved
repetitive avalanche rating. These features
combine to make this design an extremely efficient
and reliable device for use in a wide variety of
applications.
S
I
D
= 51A
TO-220AB
IRFZ44ZPbF
D
2
Pak
IRFZ44ZSPbF
TO-262
IRFZ44ZLPbF
Absolute Maximum Ratings
Parameter
I
D
@ T
C
= 25°C
I
D
@ T
C
= 100°C
I
DM
P
D
@T
C
= 25°C
V
GS
E
AS
E
AS
(tested)
I
AR
E
AR
T
J
T
STG
Continuous Drain Current, V
GS
@ 10V (Silicon Limited)
Continuous Drain Current, V
GS
@ 10V (See Fig. 9)
Pulsed Drain Current
Max.
51
36
200
80
0.53
± 20
86
105
See Fig.12a,12b,15,16
-55 to + 175
300 (1.6mm from case )
10 lbf•in (1.1N•m)
Units
A
c
Maximum Power Dissipation
Linear Derating Factor
Gate-to-Source Voltage
Single Pulse Avalanche Energy (Thermally Limited)
Single Pulse Avalanche Energy Tested Value
Avalanche Current
W
W/°C
V
mJ
A
mJ
°C
c
i
d
Repetitive Avalanche Energy
Operating Junction and
Storage Temperature Range
h
Soldering Temperature, for 10 seconds
Mounting torque, 6-32 or M3 screw
Thermal Resistance
Parameter
R
θJC
R
θCS
R
θJA
R
θJA
Junction-to-Case
Case-to-Sink, Flat, Greased Surface
Junction-to-Ambient
Junction-to-Ambient (PCB Mount, steady state)
Typ.
–––
0.50
–––
–––
Max.
1.87
–––
62
40
Units
°C/W
j
HEXFET
®
is a registered trademark of International Rectifier.
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1
09/21/10
IRFZ44Z/S/LPbF
Static @ T
J
= 25°C (unless otherwise specified)
Parameter
V
(BR)DSS
∆ΒV
DSS
/∆T
J
R
DS(on)
V
GS(th)
gfs
I
DSS
I
GSS
Q
g
Q
gs
Q
gd
t
d(on)
t
r
t
d(off)
t
f
L
D
L
S
C
iss
C
oss
C
rss
C
oss
C
oss
C
oss
eff.
Drain-to-Source Breakdown Voltage
Breakdown Voltage Temp. Coefficient
Static Drain-to-Source On-Resistance
Gate Threshold Voltage
Forward Transconductance
Drain-to-Source Leakage Current
Gate-to-Source Forward Leakage
Gate-to-Source Reverse Leakage
Total Gate Charge
Gate-to-Source Charge
Gate-to-Drain ("Miller") Charge
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Internal Drain Inductance
Internal Source Inductance
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Output Capacitance
Output Capacitance
Effective Output Capacitance
Min. Typ. Max. Units
55
–––
–––
2.0
22
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
0.054 –––
11.1 13.9
–––
4.0
–––
–––
–––
20
–––
250
–––
200
––– -200
29
43
7.2
11
12
18
14
–––
68
–––
33
–––
41
–––
4.5
–––
7.5
1420
240
130
830
190
300
–––
–––
–––
–––
–––
–––
–––
pF
V
V/°C
mΩ
V
S
µA
nA
nC
Conditions
V
GS
= 0V, I
D
= 250µA
Reference to 25°C, I
D
= 1mA
V
GS
= 10V, I
D
= 31A
V
DS
= V
GS
, I
D
= 250µA
V
DS
= 25V, I
D
= 31A
V
DS
= 55V, V
GS
= 0V
V
DS
= 55V, V
GS
= 0V, T
J
= 125°C
V
GS
= 20V
V
GS
= -20V
I
D
= 31A
V
DS
= 44V
V
GS
= 10V
V
DD
= 28V
I
D
= 31A
R
G
= 15Ω
V
GS
= 10V
Between lead,
D
f
ns
f
f
nH
6mm (0.25in.)
from package
G
and center of die contact
S
V
GS
= 0V
V
DS
= 25V
ƒ = 1.0MHz, See Fig. 5
V
GS
= 0V, V
DS
= 1.0V, ƒ = 1.0MHz
V
GS
= 0V, V
DS
= 44V, ƒ = 1.0MHz
V
GS
= 0V, V
DS
= 0V to 44V
Diode Characteristics
Parameter
I
S
I
SM
V
SD
t
rr
Q
rr
t
on
Continuous Source Current
(Body Diode)
Pulsed Source Current
(Body Diode)
Diode Forward Voltage
Reverse Recovery Time
Reverse Recovery Charge
Forward Turn-On Time
Min. Typ. Max. Units
–––
–––
–––
–––
–––
–––
–––
–––
23
17
51
A
200
1.2
35
26
V
ns
nC
Conditions
MOSFET symbol
showing the
integral reverse
G
D
Ã
S
p-n junction diode.
T
J
= 25°C, I
S
= 31A, V
GS
= 0V
T
J
= 25°C, I
F
= 31A, V
DD
= 28V
di/dt = 100A/µs
f
Intrinsic turn-on time is negligible (turn-on is dominated by LS+LD)
f
Notes:
Repetitive rating; pulse width limited by
max. junction temperature. (See fig. 11).
Limited by T
Jmax
, starting T
J
= 25°C, L =0.18mH,
R
G
= 25Ω, I
AS
= 31A, V
GS
=10V. Part not
recommended for use above this value.
I
SD
≤
31A, di/dt
≤
840A/µs, V
DD
≤
V
(BR)DSS
,
T
J
≤
175°C.
Pulse width
≤
1.0ms; duty cycle
≤
2%.
C
oss
eff. is a fixed capacitance that gives the same charging time
as C
oss
while V
DS
is rising from 0 to 80% V
DSS
.
Limited by T
Jmax
, see Fig.12a, 12b, 15, 16 for typical repetitive
avalanche performance.
This value determined from sample failure population. 100%
tested to this value in production.
This is applied to D
2
Pak, when mounted on 1" square PCB
( FR-4 or G-10 Material ). For recommended footprint and
soldering techniques refer to application note #AN-994.
R
θ
is rated at T
J
of approximately 90°C.
2
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IRFZ44Z/S/LPbF
1000
TOP
VGS
15V
10V
8.0V
7.0V
6.0V
5.5V
5.0V
4.5V
1000
TOP
VGS
15V
10V
8.0V
7.0V
6.0V
5.5V
5.0V
4.5V
ID, Drain-to-Source Current (A)
100
BOTTOM
ID, Drain-to-Source Current (A)
100
BOTTOM
10
10
4.5V
4.5V
1
0.1
1
≤
60µs PULSE WIDTH
Tj = 25°C
10
1
100
0.1
1
≤
60µs PULSE WIDTH
Tj = 175°C
10
100
V DS, Drain-to-Source Voltage (V)
V DS, Drain-to-Source Voltage (V)
Fig 1.
Typical Output Characteristics
Fig 2.
Typical Output Characteristics
1000
60
Gfs, Forward Transconductance (S)
ID, Drain-to-Source Current
(Α)
50
40
30
20
10
T J = 25°C
100
TJ = 175°C
10
T J = 25°C
TJ = 175°C
1.0
2
4
6
VDS = 15V
≤60µs
PULSE WIDTH
8
10
12
V DS = 10V
0
0
10
20
30
40
50
ID,Drain-to-Source Current (A)
VGS, Gate-to-Source Voltage (V)
Fig 3.
Typical Transfer Characteristics
Fig 4.
Typical Forward Transconductance
vs. Drain Current
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3
IRFZ44Z/S/LPbF
10000
C oss = C ds + C gd
VGS, Gate-to-Source Voltage (V)
VGS = 0V,
f = 1 MHZ
C iss = C gs + C gd, C ds SHORTED
C rss = C gd
12.0
ID= 31A
10.0
8.0
6.0
4.0
2.0
0.0
VDS= 44V
VDS= 28V
VDS= 11V
C, Capacitance(pF)
Ciss
1000
Coss
Crss
100
1
10
100
0
5
10
15
20
25
30
VDS, Drain-to-Source Voltage (V)
QG Total Gate Charge (nC)
Fig 5.
Typical Capacitance vs.
Drain-to-Source Voltage
Fig 6.
Typical Gate Charge vs.
Gate-to-Source Voltage
1000
1000
OPERATION IN THIS AREA
LIMITED BY R DS(on)
100
T J = 175°C
10
ID, Drain-to-Source Current (A)
ISD, Reverse Drain Current (A)
100
10
100µsec
1
T J = 25°C
0.10
VGS = 0V
0.0
0.5
1.0
1.5
2.0
1
Tc = 25°C
Tj = 175°C
Single Pulse
0.1
1
10
1msec
10msec
0.01
100
1000
VSD, Source-to-Drain Voltage (V)
VDS, Drain-to-Source Voltage (V)
Fig 7.
Typical Source-Drain Diode
Forward Voltage
Fig 8.
Maximum Safe Operating Area
4
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IRFZ44Z/S/LPbF
55
50
45
ID, Drain Current (A)
2.5
RDS(on) , Drain-to-Source On Resistance
(Normalized)
ID = 31A
VGS = 10V
2.0
40
35
30
25
20
15
10
5
0
25
50
75
100
125
150
175
T C , Case Temperature (°C)
1.5
1.0
0.5
-60 -40 -20 0
20 40 60 80 100 120 140 160 180
T J , Junction Temperature (°C)
Fig 9.
Maximum Drain Current vs.
Case Temperature
Fig 10.
Normalized On-Resistance
vs. Temperature
10
Thermal Response ( Z thJC )
1
D = 0.50
0.20
R
1
R
1
τ
J
τ
1
τ
2
R
2
R
2
R
3
R
3
τ
3
0.1
0.10
0.05
0.02
0.01
τ
J
Ri (°C/W)
τi
(sec)
τ
C
0.8487 0.00044
τ
0.6254
0.3974
0.00221
0.01173
τ
1
τ
2
τ
3
Ci=
τi/Ri
Ci i/Ri
0.01
SINGLE PULSE
( THERMAL RESPONSE )
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
0.001
0.01
0.1
1
0.001
1E-006
1E-005
0.0001
t1 , Rectangular Pulse Duration (sec)
Fig 11.
Maximum Effective Transient Thermal Impedance, Junction-to-Case
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