English
Language : 

IRF7842PBF Datasheet, PDF (2/9 Pages) International Rectifier – HEXFET Power MOSFET
IRF7842PbF
Static @ TJ = 25°C (unless otherwise specified)
Parameter
Min. Typ. Max. Units
Conditions
BVDSS
∆ΒVDSS/∆TJ
RDS(on)
VGS(th)
∆VGS(th)
Drain-to-Source Breakdown Voltage
Breakdown Voltage Temp. Coefficient
Static Drain-to-Source On-Resistance
Gate Threshold Voltage
Gate Threshold Voltage Coefficient
40 ––– ––– V VGS = 0V, ID = 250µA
––– 0.037 –––
––– 4.0 5.0
––– 4.7 5.9
V/°C Reference to 25°C, ID = 1mA
e mΩ VGS = 10V, ID = 17A
e VGS = 4.5V, ID = 14A
1.35 ––– 2.25 V VDS = VGS, ID = 250µA
––– - 5.6 ––– mV/°C
IDSS
Drain-to-Source Leakage Current
––– ––– 1.0 µA VDS = 32V, VGS = 0V
––– ––– 150
VDS = 32V, VGS = 0V, TJ = 125°C
IGSS
Gate-to-Source Forward Leakage
––– ––– 100 nA VGS = 20V
Gate-to-Source Reverse Leakage
––– ––– -100
VGS = -20V
gfs
Forward Transconductance
81 ––– ––– S VDS = 20V, ID = 14A
Qg
Total Gate Charge
––– 33 50
Qgs1
Qgs2
Qgd
Qgodr
Qsw
Qoss
RG
td(on)
tr
td(off)
Pre-Vth Gate-to-Source Charge
Post-Vth Gate-to-Source Charge
Gate-to-Drain Charge
Gate Charge Overdrive
Switch Charge (Qgs2 + Qgd)
Output Charge
Gate Resistance
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
––– 9.6 –––
––– 2.8 –––
––– 10 –––
––– 10.6 –––
VDS = 20V
nC VGS = 4.5V
ID = 14A
––– 12.8 –––
––– 18 ––– nC VDS = 16V, VGS = 0V
––– 1.3 TBD Ω
––– 14 –––
e VDD = 20V, VGS = 4.5V
––– 12 –––
ID = 14A
––– 21 ––– ns Clamped Inductive Load
tf
Fall Time
––– 5.0 –––
Ciss
Input Capacitance
––– 4500 –––
VGS = 0V
Coss
Output Capacitance
––– 680 ––– pF VDS = 20V
Crss
Reverse Transfer Capacitance
––– 310 –––
ƒ = 1.0MHz
Avalanche Characteristics
EAS
IAR
d Parameter
Single Pulse Avalanche Energy
™ Avalanche Current
Typ.
–––
–––
Max.
50
14
Units
mJ
A
Diode Characteristics
Parameter
IS
Continuous Source Current
Min. Typ. Max. Units
Conditions
––– ––– 3.1
MOSFET symbol
(Body Diode)
ISM
Pulsed Source Current
Ù (Body Diode)
VSD
Diode Forward Voltage
trr
Reverse Recovery Time
Qrr
Reverse Recovery Charge
2
––– ––– 140
––– ––– 1.0
––– 99 150
––– 11 17
A showing the
integral reverse
p-n junction diode.
e V TJ = 25°C, IS = 14A, VGS = 0V
e ns TJ = 25°C, IF = 14A, VDD = 20V
nC di/dt = 100A/µs
www.irf.com