PD - 91564D
RADIATION HARDENED
POWER MOSFET
THRU-HOLE (T0-254AA)
Product Summary
Part Number Radiation Level
IRHM7064
100K Rads (Si)
IRHM3064
300K Rads (Si)
IRHM4064
600K Rads (Si)
IRHM8064
1000K Rads (Si)
IRHM7064
JANSR2N7431
60V, N-CHANNEL
REF:MIL-PRF-19500/663
RAD Hard HEXFET
TECHNOLOGY
®
QPL Part Number
R
DS(on)
I
D
0.021Ω 35*A JANSR2N7431
0.021Ω 35*A JANSF2N7431
0.021Ω 35*A JANSG2N7431
0.021Ω 35*A JANSH2N7431
TO-254AA
International Rectifiers RADHard HEXFET
®
technol-
ogy provides high performance power MOSFETs for
space applications. This technology has over a de-
cade of proven performance and reliability in satellite
applications. These devices have been character-
ized for both Total Dose and Single Event Effects (SEE).
The combination of low Rdson and low gate charge
reduces the power losses in switching applications
such as DC to DC converters and motor control. These
devices retain all of the well established advantages
of MOSFETs such as voltage control, fast switching,
ease of paralleling and temperature stability of elec-
trical parameters.
Features:
!
!
!
!
!
!
!
!
!
Single Event Effect (SEE) Hardened
Low R
DS(on)
Low Total Gate Charge
Proton Tolerant
Simple Drive Requirements
Ease of Paralleling
Hermetically Sealed
Ceramic Package
Light Weight
Absolute Maximum Ratings
Parameter
ID @ VGS = 12V, TC = 25°C Continuous Drain Current
ID @ VGS = 12V, TC = 100°C Continuous Drain Current
IDM
PD @ TC = 25°C
VGS
EAS
IAR
EAR
dv/dt
TJ
TSTG
Pulsed Drain Current
➀
Max. Power Dissipation
Linear Derating Factor
Gate-to-Source Voltage
Single Pulse Avalanche Energy
➁
Avalanche Current
➀
Repetitive Avalanche Energy
➀
Peak Diode Recovery dv/dt
➂
Operating Junction
Storage Temperature Range
Lead Temperature
Weight
For footnotes refer to the last page
*Current is limited by pin diameter
35*
35
284
250
2.0
±20
500
35
25
2.5
-55 to 150
Pre-Irradiation
Units
A
W
W/°C
V
mJ
A
mJ
V/ns
o
C
300 ( 0.063 in.(1.6mm) from case for 10s)
9.3 (Typical )
g
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1
8/9/01
IRHM7064
Pre-Irradiation
@ Tj = 25°C (Unless Otherwise Specified)
Min
60
2.0
18
Electrical Characteristics
Parameter
Typ Max Units
0.056
6.8
0.021
4.0
25
250
100
-100
270
60
110
27
120
120
100
V
V/°C
Ω
V
S( )
µA
Ω
Test Conditions
VGS = 0V, ID = 1.0mA
Reference to 25°C, ID = 1.0mA
VGS = 12V, ID = 35A
➃
VDS = VGS, ID = 1.0mA
VDS > 15V, IDS = 35A
➃
VDS= 48V ,VGS=0V
VDS = 48V,
VGS = 0V, TJ = 125°C
VGS = 20V
VGS = -20V
VGS =12V, ID = 35A
VDS = 30V
VDD =30V, ID = 35A
VGS =12V, RG = 2.35Ω
BVDSS
Drain-to-Source Breakdown Voltage
∆BV
DSS /∆T J Temperature Coefficient of Breakdown
Voltage
RDS(on)
Static Drain-to-Source On-State
Resistance
VGS(th)
Gate Threshold Voltage
g fs
Forward Transconductance
IDSS
Zero Gate Voltage Drain Current
IGSS
IGSS
Qg
Q gs
Qgd
td
(on)
tr
td
(off)
tf
LS + LD
Gate-to-Source Leakage Forward
Gate-to-Source Leakage Reverse
Total Gate Charge
Gate-to-Source Charge
Gate-to-Drain (Miller) Charge
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Total Inductance
nA
nC
ns
nH
Measured from Drain lead (6mm /0.25in from
package) to Source lead (6mm /0.25in.
from
Package) with Source wires internally
bonded from Source Pin to Drain Pad
Ciss
Coss
Crss
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
4900
2800
860
pF
VGS = 0V, VDS = 25V
f = 1.0MHz
Source-Drain Diode Ratings and Characteristics
Parameter
IS
ISM
VSD
t rr
Q RR
ton
Continuous Source Current (Body Diode)
Pulse Source Current (Body Diode)
➀
Diode Forward Voltage
Reverse Recovery Time
Reverse Recovery Charge
Forward Turn-On Time
Min Typ Max Units
35*
284
1.5
360
3.1
Test Conditions
A
V
nS
µC
T
j
= 25°C, IS = 35A, VGS = 0V
➃
Tj = 25°C, IF = 35A, di/dt
≤
100A/µs
VDD
≤
50V
➃
Intrinsic turn-on time is negligible. Turn-on speed is substantially controlled by LS + LD.
*Current is limited by pin diameter
Thermal Resistance
Parameter
R thJC
RthJA
RthCS
Junction-to-Case
Junction-to-Ambient
Case-to-Sink
Min Typ Max Units
0.50
48
0.21
°C/W
Test Conditions
Typical socket mount
Note: Corresponding Spice and Saber models are available on the G&S Website.
For footnotes refer to the last page
2
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Radiation Characteristics
Pre-Irradiation
IRHM7064
International Rectifier Radiation Hardened MOSFETs are tested to verify their radiation hardness capability.
The hardness assurance program at International Rectifier is comprised of two radiation environments.
Every manufacturing lot is tested for total ionizing dose (per notes 5 and 6) using the TO-3 package. Both
pre- and post-irradiation performance are tested and specified using the same drive circuitry and test
conditions in order to provide a direct comparison.
Table 1. Electrical Characteristics @ Tj = 25°C, Post Total Dose Irradiation
➄➅
Parameter
Min
60
2.0
100K Rads(Si)
Max
300 - 1000K Rads (Si)
Min
Max
Units
Units
V
nA
µA
Ω
Ω
V
Test Conditions
BV
DSS
V
/5 JD
I
GSS
I
GSS
I
DSS
R
DS(on)
R
DS(on)
V
SD
Drain-to-Source Breakdown Voltage
Gate Threshold Voltage
Gate-to-Source Leakage Forward
Gate-to-Source Leakage Reverse
Zero Gate Voltage Drain Current
Static Drain-to-Source"
➃
On-State Resistance (TO-3)
Static Drain-to-Source"
➃
On-State Resistance (TO-254AA)
Diode Forward Voltage"
➃
4.0
100
-100
25
0.021
0.021
1.5
60
1.25
4.5
100
-100
50
0.031
0.031
1.5
V
GS
= 0V, I
D
= 1.0mA
V
GS
= V
DS
, I
D
= 1.0mA
V
GS
= 20V
V
GS
= -20 V
V
DS
=48V, V
GS
=0V
V
GS
= 12V, I
D
=35A
V
GS
= 12V, I
D
=35A
V
GS
= 0V, IS = 35A
1. Part numbers IRHM7064
2. Part number IRHM3064, IRHM4064 and IRHM8064
International Rectifier radiation hardened MOSFETs have been characterized in heavy ion environment for
Single Event Effects (SEE). Single Event Effects characterization is illustrated in Fig. a and Table 2.
Table 2. Single Event Effect Safe Operating Area
Ion
I
Br
LET
MeV/(mg/cm ))
59.9
36.8
Energy
Range
V
DS(V)
@
V
GS
=0V@
V
GS
=-5V@
V
GS
=-10V@
V
GS
=-15V @
V
GS
=-20V
(MeV)
(µm)
345
32.8
60
60
45
40
30
305
39
40
35
30
25
20
80
60
VDS
40
20
0
0
-5
-10
VGS
-15
-20
BR
I
Fig a. Single Event Effect, Safe Operating Area
For footnotes refer to the last page
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3
IRHM7064
Pre-Irradiation
1000
I
D
, Drain-to-Source Current (A)
100
I
D
, Drain-to-Source Current (A)
VGS
15V
12V
10V
9.0V
8.0V
7.0V
6.0V
BOTTOM 5.0V
TOP
1000
VGS
15V
12V
10V
9.0V
8.0V
7.0V
6.0V
BOTTOM 5.0V
TOP
100
10
0.1
20µs PULSE WIDTH
5.0V
T = 25
°
C
J
1
10
100
V
DS
, Drain-to-Source Voltage (V)
10
0.1
5.0V
20µs PULSE WIDTH
T
J
= 150
°
C
1
10
100
V
DS
, Drain-to-Source Voltage (V)
Fig 1.
Typical Output Characteristics
Fig 2.
Typical Output Characteristics
1000
2.5
R
DS(on)
, Drain-to-Source On Resistance
(Normalized)
I
D
= 79A
I
D
, Drain-to-Source Current (A)
2.0
T
J
= 25
°
C
1.5
100
T
J
= 150
°
C
1.0
0.5
10
V DS = 25V
20µs PULSE WIDTH
5
6
7
8
9
10
11
12
0.0
-60 -40 -20
V
GS
= 12V
0
20
40
60
80 100 120 140 160
V
GS
, Gate-to-Source Voltage (V)
T
J
, Junction Temperature(
°
C)
Fig 3.
Typical Transfer Characteristics
Fig 4.
Normalized On-Resistance
Vs. Temperature
4
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Pre-Irradiation
IRHM7064
10000
8000
V
GS
, Gate-to-Source Voltage (V)
V
GS
= 0V,
f = 1MHz
C
iss
= C
gs
+ C
gd ,
C
ds
SHORTED
C
rss
= C
gd
C
oss
= C
ds
+ C
gd
20
I
D
= 35A
V
DS
= 48V
V
DS
= 30V
V
DS
= 12V
16
C, Capacitance (pF)
6000
Ciss
Coss
12
4000
8
2000
Crss
4
0
1
10
100
0
FOR TEST CIRCUIT
SEE FIGURE 13
0
50
100
150
200
250
V
DS
, Drain-to-Source Voltage (V)
Q
G
, 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
I
SD
, Reverse Drain Current (A)
T
J
= 25
°
C
T
J
= 150
°
C
OPERATION IN THIS AREA LIMITED
BY R
DS(on)
100
I
D
, Drain Current (A)
100us
100
10
1ms
1
0.0
V
GS
= 0 V
1.0
2.0
3.0
4.0
5.0
10
T
C
= 25 ° C
T
J
= 150 ° C
Single Pulse
1
10
10ms
100
1000
V
SD
,Source-to-Drain Voltage (V)
V
DS
, Drain-to-Source Voltage (V)
Fig 7.
Typical Source-Drain Diode
Forward Voltage
Fig 8.
Maximum Safe Operating Area
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