Page 1
Applications
l Brushed Motor drive applications
l BLDC Motor drive applications
l PWM Inverterized topologies
l Battery powered circuits
l Half-bridge and full-bridge topologies
l Synchronous rectifier applications
l Resonant mode power supplies
l OR-ing and redundant power switches
l DC/DC and AC/DC converters
Benefits
l Improved Gate, Avalanche and Dynamic dV/dt
Ruggedness
l Fully Characterized Capacitance and Avalanche
SOA
l Enhanced body diode dv/dt and dI/dt Capability
l Lead-Free
S trongIR FET
IRFR7446PbF
HEXFET® Power MOSFET
D
V
DSS
G
GDS
Gate Drain Source
max.
I
D
(Silicon Limited)
S
I
D
(Package Limited)
D
IRFR7446TRPbF
S
G
D-Pak
40V
3.0m
3.9m
120A
56A
c
Ordering Information
Orderable part number Package Type Standard Pack
Form Quantity
IRFR7446PBF D-PAK Tube/Bulk 75 IRFR7446PBF
IRFR7446TRPBF D-PAK Tape and Reel 2000 IRFR7446TRPBF
)
Ω
10
(
m
e
c
n
a
t
s
i
s
8
e
R
n
O
e
c
r
6
u
o
S
o
t
n
i
a
r
4
D
,
)
n
o
(
S
D
2
R
4 8 12 16 20
VGS, Gate-to-Source Voltage (V)
TJ = 125°C
TJ = 25°C
ID = 56A
120
100
)
A
(
t
80
n
e
r
r
u
C
60
n
i
a
r
D
40
,
D
I
20
0
25 50 75 100 125 150 175
TC, Case Temperature (°C)
Complete Part Number
LIMITED BY PACKAGE
Fig 1. Typical On-Resistance vs. Gate Voltage
Fig 2. Maximum Drain Current vs. Case Temperature
1 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback January 6, 2015
Page 2
IRFR7446PbF
Absolute Maximum Ratings
Symbol Parameter Units
I
@ TC = 25°C Continuous Drain Current, VGS @ 10V (Silicon Limited)
D
@ TC = 100°C Continuous Drain Current, VGS @ 10V (Silicon Limited)
I
D
@ TC = 25°C Continuous Drain Current, VGS @ 10V (Wir e Bond Limi t ed)
I
D
I
DM
Pulsed Drain Current
d
PD @TC = 25°C Maximum Power Dissipation W
Linear Derating Factor W/°C
V
GS
T
J
T
STG
Gate-to- Source Voltage V
Operating J unction and
Storage Temperature Range
Soldering Temperature, for 10 seconds (1.6mm from case)
Avalanche Characteristics
E
AS (T herma lly limited)
E
AS (T herma lly limited)
I
AR
E
AR
Single Pulse Avalanche Energy
Single Pulse Avalanche Energy
Avalanche Current
d
Repetitive Avalanche Energy
e
l
d
See Fig 15,16, 23a, 23b
Thermal Resistance
Symbol Parameter Typ. Max. Units
R
JC
θ
R
θ JA
R
θ JA
Junct ion-to-Case
Junct ion-to-Ambient (PCB Mount)
Junct ion-to-Ambient
k
j
k
––– 1.52
––– 50
––– 110
Max.
c
120
c
84
56
520
98
0.66
± 20
-55 to + 175
300
125
251
°C
mJ
mJ
°C/W
A
A
Static @ TJ = 25°C (unless otherwise specified)
Symbol Parameter Min. Typ. Max. Units
V
(BR)DSS
Δ V
R
DS(on)
(BR)DSS
/Δ T
J
Drain-to-Source Breakdown Voltage 40 ––– ––– V
Breakdown Voltage Temp. Coefficient ––– 26 ––– mV/°C
Static Drain-to- Source On-Resistance ––– 3. 0 3.9 mΩ
4.4 ––– m
V
I
GS(th)
DSS
Gate Threshold Voltage 2.2 3.0 3.9 V
Drain-to-Source Leakage Current ––– ––– 1.0 μA
––– ––– 150
I
GSS
Gate-to-Source Forward Leakage ––– ––– 100 nA
Gate-to-Source Revers e Leakage ––– ––– -100
R
G
Internal Gate Resistance ––– 1.5 ––– Ω
Notes:
Calculated continuous current based on maximum allowable junction
temperature. Bond wire current limit is 56A. Note that current
limitations arising from heating of the device leads may occur with
some lead mounting arrangements. (Refer to AN-1140)
Repetitive rating; pulse width limited by max. junction
temperature.
Limited by T
RG = 50Ω , I
I
≤ 100A, di/dt ≤ 1306A/μs, V
SD
, starting TJ = 25°C, L = 0.08mH
Jmax
= 56A, VGS =10V.
AS
DD
≤ V
(BR)DSS
, TJ ≤ 175°C.
Pulse width ≤ 400 μs; duty cycle ≤ 2%.
C
eff. (TR) is a fixed capacitance that gives the same charging time
oss
as C
while V
oss
C
eff. (ER) is a fixed capacitance that gives the same energy as
oss
C
while V
oss
DS
is rising from 0 to 80% V
DS
When mounted on 1" square PCB (FR-4 or G-10 Material). For recom
mended footprint and soldering techniques refer to application note #AN-994.
R
is measured at TJ approximately 90°C.
θ
Limited by T
* L
and LS are Internal Drain Inductance and Internal Source Inductance
D
Jmax
Conditions
= 0V, ID = 250μA
V
GS
Reference to 25°C, ID = 1mA
V
= 10V, ID = 56A
GS
V
Ω
= 6.0V, ID = 28A
GS
VDS = VGS, ID = 100μA
VDS = 40V, VGS = 0V
V
= 40V, VGS = 0V, TJ = 125°C
DS
= 20V
V
GS
V
= -20V
GS
is rising from 0 to 80% V
DSS
DSS
.
.
starting TJ = 25°C, L= 1mH, RG = 50Ω , I
d
g
g
= 22A, VGS =10V.
AS
2 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback January 6, 2015
Page 3
Dynamic @ TJ = 25°C (unless otherwise specified)
Intrinsic turn-on time is negligible (turn-on is dominated by LS+LD)
Symbol Parameter Min. Typ. Max. Units
gfs Forward Transconductance 170 ––– ––– S
Q
Q
Q
Q
t
d(on)
t
r
t
d(off)
t
f
C
C
C
C
C
g
gs
gd
sync
iss
oss
rss
oss
oss
eff. (ER)
eff. (TR)
Total Gate Charge ––– 65 130 nC
Gate-to-Source Charge ––– 18 –––
Gate-to-Drain ("Miller") Charge ––– 22 –––
Total Gate Charge Sync. (Qg - Qgd)
––– 43 –––
Turn-On Delay Time ––– 9.8 ––– ns
Rise Time ––– 13 –––
Turn-Off Delay Time ––– 32 –––
Fall Time ––– 20 –––
Input Capacitance ––– 3150 ––– pF
Output Capacitance ––– 480 –––
Reverse Transfer Capacitance ––– 330 –––
Effective Output Capacitance (Energy Related)
Effective Output Capacitance (Time Related)
––– 570 –––
––– 680 –––
Diode Characteristics
Symbol Parameter Min. Typ. Max. Units
I
S
I
SM
V
SD
dv/dt
t
rr
Q
rr
I
RRM
t
on
Continuous Source Current ––– –––
120
c
(Body Diode)
Pulsed Source Current ––– ––– 480 A
(Body Diode)
d
Diode Forward Voltage ––– 0.9 1.3 V
Peak Diode Recovery
f
––– 4.8 ––– V/ns
Reverse Recovery Time ––– 20 ––– ns
––– 21 –––
Reverse Recovery Charge ––– 13 ––– nC
––– 13 –––
Reverse Recovery Current ––– 1.8 ––– A
Forward Turn-On Time
IRFR7446PbF
Conditions
VDS = 10V, ID = 56A
I
=56A
D
V
=20V
DS
VGS = 10V
= 56A, VDS =0V, VGS = 10V
I
D
VDD = 20V
= 30A
I
D
R
G
VGS = 10V
VGS = 0V
V
DS
ƒ = 1.0 MHz, See Fig. 5
V
GS
V
GS
A
MOSFET symbol
showing the
integral reverse
p-n junction diode.
TJ = 25°C, IS = 56A, VGS = 0V
= 175°C, IS = 56A, VDS = 40V
T
J
= 25°C VR = 34V,
T
J
T
= 125°C IF = 56A
J
= 25°C
T
J
= 125°C
T
J
= 25°C
T
J
g
= 2.7
Ω
g
= 25V
= 0V, VDS = 0V to 32V i See Fig. 12
= 0V, VDS = 0V to 32V
Conditions
h
D
G
S
g
3 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback January 6, 2015
Page 4
IRFR7446PbF
1000
)
A
(
t
n
100
e
r
r
u
C
e
c
r
u
10
o
S
o
t
n
i
a
r
D
1
,
D
I
4.3V
TOP 15V
BOTTOM 4.3V
≤ 60μs PULSE WIDTH
Tj = 25°C
0.1
0.1 1 10 100
VDS, Drain-to-Source Voltage (V)
Fig 3. Typical Output Characteristics
1000
)
A
(
t
n
100
e
r
r
u
C
e
c
r
u
10
o
S
o
t
n
i
a
r
1
D
,
D
I
0.1
TJ = 175°C
TJ = 25°C
V
= 10V
DS
≤
60μ s PULSE WIDTH
2.0 3.0 4.0 5.0 6.0 7.0 8.0
VGS, Gate-to-Source Voltage (V)
VGS
10V
7.0V
6.0V
5.5V
5.0V
4.5V
1000
)
A
(
t
n
e
r
r
100
u
C
e
c
r
u
o
S
o
t
n
10
i
a
r
D
,
D
I
4.3V
TOP 15V
BOTTOM 4.3V
VGS
10V
7.0V
6.0V
5.5V
5.0V
4.5V
≤ 60μs PULSE WIDTH
Tj = 175°C
1
0.1 1 10 100
VDS, Drain-to-Source Voltage (V)
Fig 4. Typical Output Characteristics
2.0
e
c
n
a
t
s
i
s
e
R
n
O
)
e
d
c
r
e
u
z
i
l
o
a
S
-
m
o
r
t
-
o
n
i
N
(
a
r
D
,
)
n
o
(
S
D
R
ID = 56A
V
= 10V
GS
1.5
1.0
0.5
-60 -40 -20 0 20 40 60 80 100 120 140 160 180
TJ , Junction Temperature (°C)
Fig 5. Typical Transfer Characteristics
100000
)
F
p
10000
(
e
c
n
a
t
i
c
a
p
a
C
1000
,
C
100
V
= 0V, f = 1 MHZ
GS
C
= C
C
C
iss
rss
oss
= C
= C
+ Cgd, C
gs
gd
+ C
ds
SHORTED
ds
gd
Ciss
Coss
Crss
1 10 100
VDS, Drain-to-Source Voltage (V)
Fig 6. Normalized On-Resistance vs. Temperature
16
ID= 56A
)
V
(
e
g
12
a
t
l
o
V
e
c
r
u
o
8
S
o
t
e
t
a
G
,
4
S
G
V
0
0 20 40 60 80 100
VDS= 32V
VDS= 20V
Q
Total Gate Charge (nC)
G
Fig 8. Typical Gate Charge vs. Gate-to-Source VoltageFig 7. Typical Capacitance vs. Drain-to-Source Voltage
4 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback January 6, 2015
Page 5
IRFR7446PbF
1000
)
A
(
t
100
n
e
r
r
u
C
n
i
a
r
D
e
s
r
e
v
e
R
,
D
S
I
TJ = 175°C
10
TJ = 25°C
1
V
GS
0.1
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
VSD, Source-to-Drain Voltage (V)
= 0V
Fig 9. Typical Source-Drain Diode
)
V
(
49
e
g
a
t
l
48
o
V
n
47
w
o
d
k
46
a
e
r
B
45
e
c
r
u
o
44
S
o
t
-
43
n
i
a
r
D
42
,
S
S
41
D
)
R
B
(
40
V
-60 -40 -20 0 20 40 60 80 100120140160180
Forward Voltage
Id = 1.0mA
TJ , Temperature ( °C )
Fig 11. Drain-to-Source Breakdown Voltage
)
16.0
Ω
(
m
e
c
n
a
t
s
i
s
e
R
n
O
e
c
r
u
o
S
o
t
n
i
a
r
D
,
)
n
o
(
S
D
R
VGS = 5.5V
14.0
V
= 6.0V
GS
VGS = 7.0V
12.0
VGS = 8.0V
VGS =10V
10.0
8.0
6.0
4.0
2.0
0 20 40 60 80 100 120 140 160 180 200
ID, Drain Current (A)
1000
)
A
(
t
n
100
e
r
r
u
C
e
c
r
u
10
o
S
o
t
n
i
a
r
D
,
D
I
OPERATION IN THIS AREA
LIMITED BY RDS(on)
1
Tc = 25°C
Tj = 175°C
Single Pulse
0.1
0.1 1 10
imited by Package
L
VDS, Drain-toSource Voltage (V)
100μ sec
1msec
Fig 10. Maximum Safe Operating Area
0.4
0.3
)
J
μ
(
y
0.2
g
r
e
n
E
0.1
0.0
0 10 20 30 40
V
Drain-to-Source Voltage (V)
DS,
Fig 12. Typical C
Stored Energy
OSS
10msec
DC
Fig 13. Typical On-Resistance vs. Drain Current
5 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback January 6, 2015
Page 6
IRFR7446PbF
10
W
/
C
°
1
)
C
J
h
t
Z
(
e
s
n
o
p
s
e
R
l
a
0.01
m
r
e
h
T
0.001
)
A
(
t
n
e
r
r
u
C
e
h
c
n
a
l
a
v
A
0.1
100
10
D = 0.50
0.20
0.10
0.05
0.02
0.01
SINGLE PULSE
( THERMAL RESPONSE )
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
1E-006 1E-005 0.0001 0.001 0.01 0.1
t1 , Rectangular Pulse Duration (sec)
Fig 14. Maximum Effective Transient Thermal Impedance, Junction-to-Case
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming ΔTj = 150°C and
Tstart =25°C (Single Pulse)
1
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming ΔΤj = 25°C and
Tstart = 150°C.
0.1
1.0E-06 1.0E-05 1.0E-04 1.0E-03 1.0E-02 1.0E-01
tav (sec)
Fig 15. Typical Avalanche Current vs.Pulsewidth
140
TOP Single Pulse
120
)
J
m
(
100
y
g
r
e
n
E
80
e
h
c
n
a
60
l
a
v
A
,
40
R
A
E
BOTTOM 1.0% Duty Cycle
ID = 56A
20
0
25 50 75 100 125 150 175
Starting TJ , Junction Temperature (°C)
Notes on Repetitive Avalanche Curves , Figures 14, 15:
(For further info, see AN-1005 at www.irf.com)
1. Avalanche failures assumption:
Purely a thermal phenomenon and failure occurs at a temperature far in
excess of T
2. Safe operation in Avalanche is allowed as long asT
. This is validated for every part type.
jmax
is not exceeded.
jmax
3. Equation below based on circuit and waveforms shown in Figures 23a, 23b.
4. P
= Average power dissipation per single avalanche pulse.
D (ave)
5. BV = Rated breakdown voltage (1.3 factor accounts for voltage increase
during avalanche).
6. I
= Allowable avalanche current.
av
7. ΔT = Allowable rise in junction temperature, not to exceed T
(assumed as
jmax
25°C in Figure 14, 15).
t
Average time in avalanche.
av =
D = Duty cycle in avalanche = t
Z
(D, tav) = Transient thermal resistance, see Figures 14)
thJC
P
D (ave)
·f
av
= 1/2 ( 1.3·BV·Iav) = D T/ Z
I
2D T/ [1.3·BV·Zth]
av =
E
= P
AS (AR)
D (ave)·tav
thJC
Fig 16. Maximum Avalanche Energy vs. Temperature
6 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback January 6, 2015
Page 7
IRFR7446PbF
4.5
)
V
(
4.0
e
g
a
t
l
o
3.5
V
d
l
o
h
s
e
3.0
r
h
t
e
t
a
G
)
h
t
(
S
G
V
ID =50μA
ID = 250μA
ID = 1.0mA
2.5
ID = 1.0A
2.0
1.5
-75 -50 -25 0 25 50 75 100 125 150 175
TJ , Temperature ( °C )
Fig 17. Threshold Voltage vs. Temperature
6
IF = 56A
VR = 34V
TJ = 25°C
TJ = 125°C
4
)
A
(
M
R
R
I
2
6
IF = 34A
VR = 34V
TJ = 25°C
TJ = 125°C
4
)
A
(
M
R
R
I
2
0
0 200 400 600 800 1000
diF /dt (A/μs)
Fig. 18 - Typical Recovery Current vs. di f/dt
80
IF = 34A
VR = 34V
TJ = 25°C
60
TJ = 125°C
)
C
n
(
40
R
R
Q
20
0
0 200 400 600 800 1000
diF /dt (A/μ s)
80
IF = 56A
VR = 34V
TJ = 25°C
60
TJ = 125°C
)
C
n
(
40
R
R
Q
20
0
0 200 400 600 800 1000
Fig. 21 - Typical Stored Charge vs. di f/dt
0
0 200 400 600 800 1000
diF /dt (A/μ s)
Fig. 20 - Typical Stored Charge vs. di f/dt Fig. 19 - Typical Recovery Current vs. di f/dt
diF /dt (A/μ s)
7 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback January 6, 2015
Page 8
IRFR7446PbF
V
DS
90%
10%
V
GS
t
d(on)tr
t
d(off)tf
Reverse
Recovery
Current
Driver Gate Drive
D.U.T. ISDWaveform
D.U.T. VDSWaveform
Inductor Current
Inductor Curent
* V
GS
D.U.T
+
-
R
G
+
Circuit Layout Considerations
• Low Stray Inductance
• Ground Plane
-
• Low Leakage Inductance
Current Transformer
-
• dv/dt controlled by R
• Driver same type as D.U.T.
• I
controlled by Duty Factor "D"
SD
• D.U.T. - Device Under Test
+
V
DD
G
+
-
Re-Applied
Voltage
Period
P.W.
Body Diode Forward
Current
di/dt
Diode Recovery
dv/dt
Body Diode Forward Drop
Ripple ≤ 5%
= 5V for Logic Level Devices
D =
P. W .
Period
VGS=10V
V
DD
I
SD
*
Fig 22. Peak Diode Recovery dv/dt Test Circuit for N-Channel
HEXFET® Power MOSFETs
V
15V
V
DS
L
DRIVER
t
p
(BR)DSS
R
G
20V
V
GS
Fig 23a. Unclamped Inductive Test Circuit
V
GS
R
G
10V
V
GS
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
D.U.T
I
AS
Ω
0.01
t
p
+
V
DD
-
I
AS
Fig 23b. Unclamped Inductive Waveforms
R
D.U.T.
D
+
V
DD
-
V
DS
Fig 24a. Switching Time Test Circuit Fig 24b. Switching Time Waveforms
Current Regulator
Same Type as D.U.T.
.2μF
12V
V
GS
50KΩ
3mA
.3μF
D.U.T.
+
V
DS
-
Vds
Vgs(th)
Id
Vgs
I
Current Sampling Resistors
Fig 25a. Gate Charge Test Circuit
8 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback January 6, 2015
I
G
D
Qgs1
Qgs2 Qgd Qgodr
Fig 25b. Gate Charge Waveform
Page 9
D-Pak (TO-252AA) Package Outline
Dimensions are shown in millimeters (inches)
IRFR7446PbF
D-Pak (TO-252AA) Part Marking Information
EXAMPLE:
Note: "P" in ass embly line position
Note: For the most current drawing please refer to IR website at: http://www.irf.com/package/
9 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback January 6, 2015
THIS IS AN IRFR120
WI T H AS SE MB LY
LOT CODE 1234
ASS EMB LE D ON WW 16, 2001
IN THE ASSEMBLY LINE "A"
i ndi cates "L ead-F ree"
"P" in ass embly line position indicates
"L ead-F r ee" qu ali fi cati on to th e cons umer-l evel
OR
INTERNATIONAL
RECTIFIER
LOGO
ASSEMBLY
LOT CODE
INTERNATIONAL
RECTIFIER
LOGO
ASSEMBLY
LOT CODE
IRF R120
12
PART NUMBER
IRF R120
116A
34 12
PART NUMBER
DATE CODE
P = DE S IGN AT E S L E AD- F R E E
34
P = DE S IGN AT E S L E AD- F R E E
YEAR 1 = 2001
WE EK 16
A = ASSEMBLY SITE CODE
DATE CODE
YEAR 1 = 2001
WEEK 16
LINE A
PRODUCT (OPTIONAL)
PRODUCT QUALIFIED TO THE
CONS UMER LE VEL (OPT IONAL)
Page 10
D-Pak (TO-252AA) Tape & Reel Information
Dimensions are shown in millimeters (inches)
IRFR7446PbF
TR
16.3 ( .641 )
15.7 ( .619 )
12.1 ( .476 )
11.9 ( .469 )
NOTES :
1. CONTROLLING DIMENSION : MILLIMETER.
2. ALL DIMENSIONS ARE SHOWN IN MILLIMETERS ( INCHES ).
3. OUTLINE CONFORMS TO EIA-481 & EIA-541.
13 INCH
FEED DIRECTION
8.1 ( .318 )
7.9 ( .312 )
TRR
TRL
16.3 ( .641 )
15.7 ( .619 )
FEED DIRECTION
16 mm
NOTES :
1. OUTLINE CONFORMS TO EIA-481.
Note: For the most current drawing please refer to IR website at: http://www.irf.com/package/
10 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback January 6, 2015
Page 11
Qualification information
Qualification level
IRFR7446PbF
†
††
†††
RoHS compliant
D-PAK
Yes
(per JE DEC J-S T D-020D
†††
)
Qualification standards can be found at International Rectifiers web site: http://www.irf.com/product-info/reliability/
Higher qualification ratings may be available should the user have such requirements. Please contact your
International Rectifier sales representative for further information:
http:www.irf.com/whoto-call/salesrep/
Applicable version of JEDEC standard at the time of product release.
Revision History
Date Comment
1/6/2015
•
Updated E
Updated note 10 “Limited by T
•
Updated package outline on page 9.
= 251mJ on page 2
AS (L =1mH)
, starting TJ = 25°C, L = 1mH, RG = 50Ω, IAS = 22A, VGS =10V”. on page 2
Jmax
IR WORLD HEADQUARTERS: 101 N. Sepulveda Blvd., El Segundo, California 90245, USA
11 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback January 6, 2015
To contact International Rectifier, please visit http://www.irf.com/whoto-call/