November 2013
FDB031N08
N-Channel PowerTrench ? MOSFET
75 V, 235 A, 3.1 m Ω
Features
? R DS(on) = 2.4 m Ω (Typ.) @ V GS = 10 V, I D = 75 A
? Fast Switching Speed
? Low Gate Charge
? High Performance Trench Technology for Extremely Low
R DS(on)
? High Power and Current Handling Capability
? RoHS Compliant
Description
This N-Channel MOSFET is produced using Fairchild Semicon-
ductor ’s advanced PowerTrench ? process that has been tai-
lored to minimize the on-state resistance while maintaining
superior switching performance.
Applications
? Synchronous Rectification for ATX / Server / Telecom PSU
? Battery Protection Circuit
? Motor Drives and Uninterruptible Power Supplies
D
D
G
S
D 2 -PAK
G
S
MOSFET Maximum Ratings T C = 25 o C unless otherwise noted.
Symbol
V DSS
V GSS
Drain to Source Voltage
Gate to Source Voltage
Parameter
FDB031N08
75
±20
Unit
V
V
I D
Drain Current
- Continuous (T C = 25 o C, Silicon Limited)
- Continuous (T C = 100 o C, Silicon Limited)
- Continuous (T C = 25 o C, Package Limited)
235
165
120
A
A
A
I DM
Drain Current
- Pulsed
(Note 1)
940
A
E AS
dv/dt
P D
Single Pulsed Avalanche Energy
Peak Diode Recovery dv/dt
Power Dissipation
(T C = 25 o C)
- Derate Above 25 o C
(Note 2)
(Note 3)
1995
5.5
375
2.5
mJ
V/ns
W
W/ o C
T J , T STG
T L
Operating and Storage Temperature Range
Maximum Lead Temperature for Soldering, 1/8” from Case for 5 Seconds
-55 to +175
300
o
o
C
C
Thermal Characteristics
Symbol
Parameter
FDB031N08
Unit
R θ JC
R θ JA
Thermal Resistance, Junction to Case, Max.
Thermal Resistance, Junction to Ambient, Max.
0.4
62.5
o
C/W
?2008 Fairchild Semiconductor Corporation
FDB031N08 Rev. C4
1
www.fairchildsemi.com
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