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IRF7473 Datasheet, PDF (1/8 Pages) International Rectifier – Power MOSFET(Vdss=100V, iD=6.9A)
PD- 94037A
IRF7473
HEXFET® Power MOSFET
Applications
l Telecom and Data-Com 24 and 48V
input DC-DC converters
l Motor Control
l Uninterrutible Power Supply
Benefits
l Ultra Low On-Resistance
l High Speed Switching
l Low Gate Drive Current Due to Improved
Gate Charge Characteristic
l Improved Avalanche Ruggedness and
Dynamic dv/dt
l Fully Characterized Avalanche Voltage
and Current
Typical SMPS Topologies
l Full and Half Bridge 48V input Circuit
l Forward 24V input Circuit
VDSS
100V
RDS(on) max
ID
26mΩ@VGS = 10V 6.9A
S
1
S
2
S
3
G
4
A
A
8
D
7
D
6
D
5
D
T op V iew
SO-8
Absolute Maximum Ratings
ID @ TA = 25°C
ID @ TA = 70°C
IDM
PD @TA = 25°C
VGS
dv/dt
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
Peak Diode Recovery dv/dt †
Operating Junction and
Storage Temperature Range
Soldering Temperature, for 10 seconds
Max.
6.9
5.5
55
2.5
0.02
± 20
5.8
-55 to + 150
300 (1.6mm from case )
Units
A
W
W/°C
V
V/ns
°C
Thermal Resistance
Symbol
RθJL
RθJA
Parameter
Junction-to-Drain Lead
Junction-to-Ambient „
Notes  through † are on page 8
www.irf.com
Typ.
–––
–––
Max.
20
50
Units
°C/W
1
4/27/01