AUIRFN8458 Datasheet PDF - International Rectifier
| Part Number | AUIRFN8458 | |
| Description | Dual N-Channel MOSFET | |
| Manufacturers | International Rectifier | |
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AUTOMOTIVE GRADE
AUIRFN8458
Features
Advanced Process Technology
Dual N-Channel MOSFET
Ultra Low On-Resistance
175°C Operating Temperature
Fast Switching
Repetitive Avalanche Allowed up to Tjmax
Lead-Free, RoHS Compliant
Automotive Qualified *
Description
Specifically designed for Automotive applications, 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 swithcing speed and
improved repetitive avalanche rating. These features
combine to make this produuct an extremely efficient and
reliable devoce for use in Automotive and wide variety of
other applications.
Applications
12V Automotive Systems
Low Power Brushed Motor
Braking
VDSS
RDS(on) typ.
max
ID
(@TC (Bottom) = 25°C
40V
8.0m
10m
43A
G
Gate
DUAL PQFN 5X6 mm
D
Drain
S
Source
Base Part Number
Package Type
AUIRFN8458
Dual PQFN 5mm x 6mm
Standard Pack
Form
Quantity
Tape and Reel
4000
Orderable Part Number
AUIRFN8458TR
Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only; and
functional operation of the device at these or any other condition beyond those indicated in the specifications is not implied. Exposure to absolute-
maximum-rated conditions for extended periods may affect device reliability. The thermal resistance and power dissipation ratings are measured under
board mounted and still air conditions. Ambient temperature (TA) is 25°C, unless otherwise specified.
ID @ TC (Bottom) = 25°C
ID @ TC (Bottom) = 100°C
IDM
PD @TC (Bottom) = 25°C
VGS
EAS
EAS (Tested)
IAR
EAR
TJ
TSTG
Parameter
Continuous Drain Current, VGS @ 10V
Continuous Drain Current, VGS @ 10V
Pulsed Drain Current
Power Dissipation
Linear Derating Factor
Gate-to-Source Voltage
Single Pulse Avalanche Energy (Thermally Limited)
Single Pulse Avalanche Energy
Avalanche Current
Repetitive Avalanche Energy
Operating Junction and
Storage Temperature Range
Max.
43
30
180
34
0.23
± 20
35
37
See Fig. 14, 15, 22a, 22b
Units
A
W
W/°C
V
mJ
A
-55 to + 175
°C
HEXFET® is a registered trademark of International Rectifier.
*Qualification standards can be found at http://www.irf.com/
1 www.irf.com © 2014 International Rectifier
Submit Datasheet Feedback
July 29, 2014
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10
D = 0.50
1 0.20
0.10
0.05
0.1 0.02
0.01
AUIRFN8458
0.01
0.001
1E-006
SINGLE PULSE
( THERMAL RESPONSE )
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
1E-005
0.0001
0.001
0.01
t1 , Rectangular Pulse Duration (sec)
0.1
1
Fig 13. Maximum Effective Transient Thermal Impedance, Junction-to-Case
100
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming Tj = 150°C and
Tstart =25°C (Single Pulse)
10
1
Allowed avalanche Current vs avalanche
pulsewidth, tav, assuming j = 25°C and
Tstart = 150°C.
0.1
1.0E-06
1.0E-05
1.0E-04
tav (sec)
1.0E-03
1.0E-02
1.0E-01
Fig 14. Typical Avalanche Current vs. Pulse Width
40
TOP
Single Pulse
BOTTOM 1.0% Duty Cycle
ID = 26A
30
20
10
0
25 50 75 100 125 150 175
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 Tjmax. This is validated for every part type.
2. Safe operation in Avalanche is allowed as long as Tjmax is not exceeded.
3. Equation below based on circuit and waveforms shown in Figures 16a, 16b.
4. PD (ave) = Average power dissipation per single avalanche pulse.
5. BV = Rated breakdown voltage (1.3 factor accounts for voltage increase
during avalanche).
6. Iav = Allowable avalanche current.
7. T = Allowable rise in junction temperature, not to exceed Tjmax (assumed as
25°C in Figure 14, 15).
tav = Average time in avalanche.
D = Duty cycle in avalanche = tav ·f
ZthJC(D, tav) = Transient thermal resistance, see Figures 13)
Starting TJ , Junction Temperature (°C)
Fig 15. Maximum Avalanche Energy vs. Temperature
PD (ave) = 1/2 ( 1.3·BV·Iav) = T/ ZthJC
Iav = 2T/ [1.3·BV·Zth]
EAS (AR) = PD (ave)·tav
5 www.irf.com © 2014 International Rectifier
Submit Datasheet Feedback
July 29, 2014
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AUIRFN8458 electronic component. |
| Information | Total 10 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ AUIRFN8458.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
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| AUIRFN8459TR | The function is Dual N-Channel MOSFET. International Rectifier | |
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