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IRLR8743PBF Datasheet, PDF (1/11 Pages) International Rectifier – HEXFET®Power MOSFET
Applications
l High Frequency Synchronous Buck
Converters for Computer Processor Power
l High Frequency Isolated DC-DC
Converters with Synchronous Rectification
for Telecom and Industrial Use
l Lead-Free
Benefits
l Very Low RDS(on) at 4.5V VGS
l Ultra-Low Gate Impedance
l Fully Characterized Avalanche Voltage
and Current
Absolute Maximum Ratings
VDS
VGS
ID @ TC = 25°C
ID @ TC = 100°C
IDM
PD @TC = 25°C
PD @TC = 100°C
Parameter
Drain-to-Source Voltage
Gate-to-Source Voltage
Continuous Drain Current, VGS @ 10V
™ Continuous Drain Current, VGS @ 10V
Pulsed Drain Current
g Maximum Power Dissipation
g Maximum Power Dissipation
TJ
TSTG
Linear Derating Factor
Operating Junction and
Storage Temperature Range
Soldering Temperature, for 10 seconds
Thermal Resistance
Parameter
RθJC
RθJA
gà Junction-to-Case
Junction-to-Ambient (PCB Mount)
RθJA
Junction-to-Ambient
VDSS
30V
PD - 96123
IRLR8743PbF
IRLU8743PbF
HEXFET® Power MOSFET
RDS(on) max Qg
3.1m:
39nC
D
S
S
D
G
G
D-Pak
I-Pak
IRLR8743PbF IRLU8743PbF
G
Gate
D
Drain
S
Source
Max.
30
± 20
f 160
f 113
640
135
68
0.90
-55 to + 175
Units
V
A
W
W/°C
°C
300 (1.6mm from case)
Typ.
–––
–––
–––
Max.
1.11
50
110
Units
°C/W
Notes  through … are on page 11
www.irf.com
1
08/15/07