2 www.irf.com © 2014 International Rectifier Submit Datasheet Feedback July 8, 2014
IRF7842PbF
Static @ T
J
= 25°C (unless otherwise specified)
Parameter Min. Typ. Max. Units
BV
Drain-to-Source Breakdown Voltage 40 ––– ––– V
ΔΒV
/ΔT
Breakdown Voltage Temp. Coefficient ––– 0.037 ––– V/°C
R
Static Drain-to-Source On-Resistance ––– 4.0 5.0
mΩ
––– 4.7 5.9
V
Gate Threshold Voltage 1.35 ––– 2.25 V
ΔV
Gate Threshold Voltage Coefficient ––– - 5.6 ––– mV/°C
I
Drain-to-Source Leakage Current ––– ––– 1.0 μA
––– ––– 150
I
Gate-to-Source Forward Leakage ––– ––– 100 nA
Gate-to-Source Reverse Leakage ––– ––– -100
gfs Forward Transconductance 81 ––– ––– S
Q
Total Gate Charge ––– 33 50
Q
Pre-Vth Gate-to-Source Charge ––– 9.6 –––
Q
Post-Vth Gate-to-Source Charge ––– 2.8 ––– nC
Q
Gate-to-Drain Charge ––– 10 –––
Q
Gate Charge Overdrive ––– 10.6 –––
Q
Switch Charge (Q
+ Q
) ––– 12.8 –––
Q
Output Charge ––– 18 ––– nC
R
Gate Resistance ––– 1.3 2.6 Ω
t
Turn-On Delay Time ––– 14 –––
t
Rise Time ––– 12 –––
t
Turn-Off Delay Time ––– 21 ––– ns
t
Fall Time ––– 5.0 –––
C
Input Capacitance ––– 4500 –––
C
Output Capacitance ––– 680 ––– pF
C
Reverse Transfer Capacitance ––– 310 –––
Avalanche Characteristics
Parameter Units
E
Single Pulse Avalanche Energy
mJ
I
Avalanche Current
A
Diode Characteristics
Parameter Min. Typ. Max. Units
I
Continuous Source Current ––– ––– 3.1
(Body Diode) A
I
Pulsed Source Current ––– ––– 140
V
Diode Forward Voltage ––– ––– 1.0 V
t
Reverse Recovery Time ––– 99 150 ns
Q
Reverse Recovery Charge ––– 11 17 nC
–––
I
= 14A
V
= 0V
V
= 20V
V
= 4.5V, I
= 14A
V
= 4.5V
–––
V
= V
, I
= 250μA
Clamped Inductive Load
V
= 20V, I
= 14A
V
= 32V, V
= 0V, T
= 125°C
V
= 20V
V
= -20V
V
= 32V, V
= 0V
T
= 25°C, I
= 14A, V
= 20V
di/dt = 100A/μs
T
= 25°C, I
= 14A, V
= 0V
integral reverse
V
= 0V, I
= 250μA
Reference to 25°C, I
= 1mA
V
= 10V, I
= 17A
MOSFET symbol
V
= 16V, V
= 0V
V
= 20V, V
= 4.5V
I
= 14A
V
= 20V
50
14
ƒ = 1.0MHz