
IRF3808
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Parameter Min. Typ. Max. Units Conditions
V(BR)DSS Drain-to-Source Breakdown Voltage 75 ––– ––– VV
GS = 0V, ID = 250µA
∆V(BR)DSS/∆TJBreakdown Voltage Temp. Coefficient ––– 0.086 ––– V/°C Reference to 25°C, ID = 1mA
RDS(on) Static Drain-to-Source On-Resistance ––– 5.9 7.0 mΩVGS = 10V, ID = 82A T
VGS(th) Gate Threshold Voltage 2.0 ––– 4.0 V VDS = 10V, ID = 250µA
gfs Forward Transconductance 100 ––– ––– SV
DS = 25V, ID = 82A
––– ––– 20 µA VDS = 75V, VGS = 0V
––– ––– 250 VDS = 60V, VGS = 0V, T J = 150°C
Gate-to-Source Forward Leakage ––– ––– 200 VGS = 20V
Gate-to-Source Reverse Leakage ––– ––– -200 nA VGS = -20V
QgTotal Gate Charge ––– 150 220 ID = 82A
Qgs Gate-to-Source Charge ––– 31 47 nC VDS = 60V
Qgd Gate-to-Drain ("Miller") Charge ––– 50 76 VGS = 10VT
td(on) Turn-On Delay Time ––– 16 ––– VDD = 38V
trRise Time ––– 140 ––– ID = 82A
td(off) Turn-Off Delay Time ––– 68 ––– RG = 2.5Ω
tfFall Time ––– 120 ––– VGS = 10V T
Between lead,
––– ––– 6mm (0.25in.)
from package
and center of die contact
Ciss Input Capacitance ––– 5310 ––– VGS = 0V
Coss Output Capacitance ––– 890 ––– pF VDS = 25V
Crss Reverse Transfer Capacitance ––– 130 ––– ƒ = 1.0MHz, See Fig. 5
Coss Output Capacitance ––– 6010 ––– VGS = 0V, VDS = 1.0V, ƒ = 1.0MHz
Coss Output Capacitance ––– 570 ––– VGS = 0V, VDS = 60V, ƒ = 1.0MHz
Coss eff. Effective Output Capacitance U––– 1140 ––– VGS = 0V, VDS = 0V to 60V
nH
Electrical Characteristics @ TJ = 25°C (unless otherwise specified)
LDInternal Drain Inductance
LSInternal Source Inductance ––– –––
S
D
G
IGSS
ns
4.5
7.5
IDSS Drain-to-Source Leakage Current
Q Repetitive rating; pulse width limited by
max. junction temperature. (See fig. 11).
R Starting TJ = 25°C, L = 0.130mH
RG = 25Ω, IAS = 82A. (See Figure 12).
SISD ≤ 82A, di/dt ≤ 310A/µs, VDD ≤ V(BR)DSS,
TJ ≤ 175°C
T Pulse width ≤ 400µs; duty cycle ≤ 2%.
Notes:
S
D
G
Parameter Min. Typ. Max. Units Conditions
ISContinuous Source Current MOSFET symbol
(Body Diode) ––– ––– showing the
ISM Pulsed Source Current integral reverse
(Body Diode) Q––– ––– p-n junction diode.
VSD Diode Forward Voltage ––– ––– 1.3 V TJ = 25°C, IS = 82A, VGS = 0VT
trr Reverse Recovery Time ––– 93 140 ns TJ = 25°C, IF = 82A
Qrr Reverse RecoveryCharge ––– 340 510 nC di/dt = 100A/µsT
ton Forward Turn-On Time Intrinsic turn-on time is negligible (turn-on is dominated by LS+LD)
Source-Drain Ratings and Characteristics
140V
550 A
U Coss eff. is a fixed capacitance that gives the same charging time
as Coss while V DS is rising from 0 to 80% VDSS .
VCalculated continuous current based on maximum allowable
junction temperature. Package limitation current is 75A.
WLimited by T Jmax , see Fig.12a, 12b, 15, 16 for typical repetitive
avalanche performance.
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