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IRF6646PBF Datasheet, PDF (2/10 Pages) International Rectifier – DirectFETPower MOSFET 
IRF6646PbF
Static @ TJ = 25°C (unless otherwise specified)
Parameter
Min.
BVDSS
∆ΒVDSS/∆TJ
RDS(on)
VGS(th)
∆VGS(th)/∆TJ
IDSS
Drain-to-Source Breakdown Voltage
80
Breakdown Voltage Temp. Coefficient –––
Static Drain-to-Source On-Resistance –––
Gate Threshold Voltage
3.0
Gate Threshold Voltage Coefficient
–––
Drain-to-Source Leakage Current
–––
–––
IGSS
Gate-to-Source Forward Leakage
–––
Gate-to-Source Reverse Leakage
–––
gfs
Forward Transconductance
17
Qg
Total Gate Charge
–––
Qgs1
Pre-Vth Gate-to-Source Charge
–––
Qgs2
Post-Vth Gate-to-Source Charge
–––
Qgd
Gate-to-Drain Charge
–––
Qgodr
Gate Charge Overdrive
–––
Qsw
Switch Charge (Qgs2 + Qgd)
–––
Qoss
Output Charge
–––
RG
Gate Resistance
–––
td(on)
Turn-On Delay Time
–––
tr
Rise Time
–––
td(off)
Turn-Off Delay Time
–––
tf
Fall Time
–––
Ciss
Input Capacitance
–––
Coss
Output Capacitance
–––
Crss
Reverse Transfer Capacitance
–––
Coss
Output Capacitance
–––
Coss
Output Capacitance
–––
Diode Characteristics
Parameter
Min.
IS
Continuous Source Current
–––
(Body Diode)
ISM
Pulsed Source Current
–––
(Body Diode) g
VSD
Diode Forward Voltage
–––
trr
Reverse Recovery Time
–––
Qrr
Reverse Recovery Charge
–––
Typ.
–––
0.10
7.6
–––
-11
–––
–––
–––
–––
–––
36
7.6
2.0
12
14
14
18
1.0
17
20
31
12
2060
480
120
2180
310
Typ.
–––
–––
–––
36
48
Max. Units
Conditions
––– V VGS = 0V, ID = 250µA
––– V/°C Reference to 25°C, ID = 1mA
9.5 mΩ VGS = 10V, ID = 12A i
4.9
V VDS = VGS, ID = 150µA
––– mV/°C
20
250
100
-100
–––
µA VDS = 80V, VGS = 0V
VDS = 64V, VGS = 0V, TJ = 125°C
nA VGS = 20V
VGS = -20V
S VDS = 10V, ID = 7.2A
50
–––
VDS = 40V
––– nC VGS = 10V
ID = 7.2A
–––
See Fig. 15
–––
––– nC VDS = 16V, VGS = 0V
––– Ω
–––
VDD = 40V, VGS = 10V i
–––
ID = 7.2A
––– ns RG=6.2Ω
–––
See Fig. 16 & 17
–––
VGS = 0V
––– pF VDS = 25V
–––
ƒ = 1.0MHz
–––
VGS = 0V, VDS = 1.0V, f=1.0MHz
–––
VGS = 0V, VDS = 64V, f=1.0MHz
Max. Units
Conditions
2.5j
MOSFET symbol
A showing the
96
integral reverse
p-n junction diode.
1.3 V TJ = 25°C, IS = 7.2A, VGS = 0V i
54 ns TJ = 25°C, IF = 7.2A, VDD = 40V
72 nC di/dt = 100A/µs i See Fig. 18
Notes:
… Repetitive rating; pulse width limited by max. junction temperature.
‡ Pulse width ≤ 400µs; duty cycle ≤ 2%.
ˆ Thermally limited and used Rθja to calculate.
2
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