© 2012 IXYS CORPORATION, All Rights Reserved
Symbol Test Conditions Maximum Ratings
VDSS TJ= 25°C to 150°C 800 V
VDGR TJ= 25°C to 150°C, RGS = 1MΩ 800 V
VGSS Continuous ±30 V
VGSM Transient ±40 V
ID25 TC= 25°C 37 A
IDM TC= 25°C, Pulse Width Limited by TJM 130 A
IATC= 25°C 44A
EAS TC= 25°C 3.5 J
dv/dt IS IDM, VDD VDSS, TJ 150°C 50 V/ns
PDTC= 25°C 780 W
TJ-55 ... +150 °C
TJM 150 °C
Tstg -55 ... +150 °C
VISOL 50/60 Hz, RMS, t = 1minute 2500 V~
IISOL 1mA, t = 1s 3000 V~
MdMounting Torque for Base Plate 1.5/13 Nm/lb.in.
Terminal Connection Torque 1.3/11.5 Nm/lb.in.
Weight 30 g
Symbol Test Conditions Characteristic Values
(TJ = 25°C Unless Otherwise Specified) Min. Typ. Max.
BVDSS VGS = 0V, ID = 3mA 800 V
VGS(th) VDS = VGS, ID = 8mA 3.5 6.5 V
IGSS VGS = ±30V, VDS = 0V ±200 nA
IDSS VDS = 0.8 • VDSS, VGS = 0V 50 μA
TJ = 125°C 2.5 mA
RDS(on) VGS = 10V, ID = 22A, Note 1 190 mΩ
HiperFETTM
Power MOSFET
Q3-Class
IXFN44N80Q3 VDSS = 800V
ID25 = 37A
RDS(on)
190mΩΩ
ΩΩ
Ω
trr
300ns
DS100360A(04/12)
N-Channel Enhancement Mode
Fast Intrinsic Rectifier
Avalanche Rated
Features
zInternational Standard Package
zLow Intrinsic Gate Resistance
zminiBLOC with Aluminum Nitride
Isolation
zAvalanche Rated
zLow Package Inductance
zFast Intrinsic Rectifier
zLow RDS(on) and QG
Advantages
zHigh Power Density
zEasy to Mount
zSpace Savings
Applications
zDC-DC Converters
zBattery Chargers
zSwitch-Mode and Resonant-Mode
Power Supplies
zDC Choppers
zTemperature and Lighting Controls
miniBLOC
E153432
G
D
S
S
G = Gate D = Drain
S = Source
Either Source Terminal S can be used as
the Source Terminal or the Kelvin Source
(Gate Return) Terminal.
Preliminary Technical Information
IXFN44N80Q3
IXYS Reserves the Right to Change Limits, Test Conditions, and Dimensions.
IXYS MOSFETs and IGBTs are covered 4,835,592 4,931,844 5,049,961 5,237,481 6,162,665 6,404,065 B1 6,683,344 6,727,585 7,005,734 B2 7,157,338B2
by one or more of the following U.S. patents: 4,860,072 5,017,508 5,063,307 5,381,025 6,259,123 B1 6,534,343 6,710,405 B2 6,759,692 7,063,975 B2
4,881,106 5,034,796 5,187,117 5,486,715 6,306,728 B1 6,583,505 6,710,463 6,771,478 B2 7,071,537
Note 1. Pulse test, t 300μs, duty cycle, d 2%.
(M4 screws (4x) supplied)
SOT-227B (IXFN) Outline
Symbol Test Conditions Characteristic Values
(TJ = 25°C Unless Otherwise Specified) Min. Typ. Max.
gfs VDS = 20V, ID = 22A, Note 1 22 37 S
Ciss 9840 pF
Coss VGS = 0V, VDS = 25V, f = 1MHz 960 pF
Crss 80 pF
RGi Gate Input Resistance 0.14 Ω
td(on) 50 ns
tr 15 ns
td(off) 50 ns
tf 9 ns
Qg(on) 185 nC
Qgs VGS = 10V, VDS = 0.5 • VDSS, ID = 22A 67 nC
Qgd 83 nC
RthJC 0.16 °C/W
RthCS 0.05 °C/W
Source-Drain Diode
Symbol Test Conditions Characteristic Values
(TJ = 25°C Unless Otherwise Specified) Min. Typ. Max.
ISVGS = 0V 44 A
ISM Repetitive, Pulse Width Limited by TJM 176 A
VSD IF = IS, VGS = 0V, Note 1 1.4 V
trr 300 ns
QRM 1.8 μC
IRM 13.4 A
Resistive Switching Times
VGS = 10V, VDS = 0.5 • VDSS, ID = 22A
RG = 1Ω (External)
IF = 22A, -di/dt = 100A/μs
VR = 100V, VGS = 0V
PRELIMINARY TECHNICAL INFORMATION
The product presented herein is under development. The Technical Specifications offered are derived
from data gathered during objective characterizations of preliminary engineering lots; but also may yet
contain some information supplied during a pre-production design evaluation. IXYS reserves the right
to change limits, test conditions, and dimensions without notice.
© 2012 IXYS CORPORATION, All Rights Reserved
IXFN44N80Q3
Fi g . 1. Ou tpu t C h ar ac ter i sti cs @ T
J
= 25ºC
0
5
10
15
20
25
30
35
40
45
012345678
V
DS
- Volts
I
D
- Amper es
V
GS
= 10V
8
V
7
V
9V
Fi g . 2. Exten ded Ou tp ut C h ar acteri sti cs @ T
J
= 25ºC
0
10
20
30
40
50
60
70
80
90
100
110
0 5 10 15 20 25 30
V
DS
- Vo lts
I
D
- Amperes
V
GS
= 10V
7
V
8
V
9
V
Fi g . 3. Ou tpu t C h ar ac ter i sti cs @ T
J
= 125º C
0
5
10
15
20
25
30
35
40
45
024681012141618
V
DS
- Volts
I
D
- Ampere s
6
V
7V
V
GS
= 10V
8V
Fig. 4. R
DS(on)
No r mali z ed to I
D
= 22A Value vs.
Junction T emperature
0.2
0.6
1.0
1.4
1.8
2.2
2.6
3.0
-50 -25 0 25 50 75 100 125 150
T
J
- Deg re es Centigrad e
R
DS(on)
- Normalized
V
GS
= 10V
I
D
= 44A
I
D
= 22A
Fig. 5. R
DS(on)
Normalized to I
D
= 22A Valu e vs.
Drain Current
0.6
1.0
1.4
1.8
2.2
2.6
3.0
0 102030405060708090100
I
D
- Amp e res
R
DS(on)
- Normalized
V
GS
= 10V
T
J
= 125ºC
T
J
= 25ºC
Fig. 6. Maxi mum Drain Current vs.
Case Temper ature
0
5
10
15
20
25
30
35
40
-50 -25 0 25 50 75 100 125 150
T
C
- Deg r ees Centi grad e
I
D
- Am peres
IXFN44N80Q3
IXYS Reserves the Right to Change Limits, Test Conditions, and Dimensions.
Fig. 7. Input Adm ittance
0
10
20
30
40
50
60
55.566.577.588.599.5
V
GS
- Volts
I
D
- Amperes
T
J
= 125ºC
- 40ºC
25ºC
Fig. 8. Transconductan ce
0
10
20
30
40
50
60
70
80
0 10203040506070
I
D
- A mp e re s
g
f s
- Siemens
T
J
= - 40ºC
125ºC
25ºC
Fi g. 9. F o r war d Vo l tage D r o p o f I n tri n si c D i o d e
0
20
40
60
80
100
120
0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3
V
SD
- Volts
I
S
- Amperes
T
J
= 12 5ºC
T
J
= 2C
Fig. 10. Gate Charge
0
2
4
6
8
10
12
14
16
0 50 100 150 200 250
Q
G
- NanoCoulombs
V
GS
- Volts
V
DS
= 400V
I
D
= 22A
I
G
= 10mA
Fig. 11. Capacitance
10
100
1,000
10,000
100,000
0 5 10 15 20 25 30 35 40
V
DS
- Volts
Capacitance - PicoFarads
f
= 1 MHz
Ciss
Crss
Coss
Fig. 12. Forward-Bias Safe Operating Area
0.1
1
10
100
1000
10 100 1,000
V
DS
- Volts
I
D
- Am pere s
T
J
= 150ºC
T
C
= 25ºC
Single Pulse
1ms
R
DS(on)
Limit
250µs
25µs
© 2012 IXYS CORPORATION, All Rights Reserved IXYS REF: F_44N80Q3(Q8)7-07-11
IXFN44N80Q3
Fig. 13. Maximum Transient T herm al Impedance
0.001
0.01
0.1
1
0.0001 0.001 0.01 0.1 1 10
Pul se Width - Seconds
Z
(th)JC
- º C / W