IRF840AS_04 Datasheet, PDF (1/10 Pages) International Rectifier – SMPS MOSFET HEXFET® Power MOSFET

PD- 95143
SMPS MOSFET
IRF840ASPbF
IRF840ALPbF
HEXFET^® Power MOSFET
Applications
l Switch Mode Power Supply (SMPS)
l Uninterruptible Power Supply
l High Speed Power Switching
l Lead-Free
V_DSS
500V
R_DS(on) max
I_D
0.85Ω
8.0A
Benefits
l Low Gate Charge Qg Results in Simple
Drive Requirement
l Improved Gate, Avalanche and Dynamic
dv/dt Ruggedness
l Fully Characterized Capacitance and
Avalanche Voltage and Current
l Effective Coss Specified (See AN 1001)
D²Pak
IRF840AS
TO-262
IRF840AL
Absolute Maximum Ratings
I_D @ T_C = 25°C
I_D @ T_C = 100°C
I_DM
P_D @T_C = 25°C
P_D @T_A = 25°C
V_GS
dv/dt
T_J
T_STG
Parameter
Continuous Drain Current, V_GS @ 10V†
Continuous Drain Current, V_GS @ 10V†
Pulsed Drain Current †
Power Dissipation
Power Dissipation
Linear Derating Factor
Gate-to-Source Voltage
Peak Diode Recovery dv/dt Ġ
Operating Junction and
Storage Temperature Range
Soldering Temperature, for 10 seconds
Max.
8.0
5.1
32
125
3.1
1.0
± 30
5.0
-55 to + 150
300 (1.6mm from case )
Units
A
W
W/°C
V
V/ns
°C
Typical SMPS Topologies
l Two Transistor Forward
l Haft Bridge
l Full Bridge
Notes  through † are on page 10
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1
04/21/04