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IRF7946PBF_15 Datasheet, PDF (2/12 Pages) International Rectifier – Brushed Motor drive applications
IRF7946PbF
Absolute Maximum Ratings
Symbol
ID @ TC = 25°C
ID @ TC = 100°C
IDM
PD @TC = 25°C
VGS
TJ
TSTG
Avalanche Characteristics
EAS (Thermally limited)
EAS (Thermally limited)
IAR
EAR
Thermal Resistance
Symbol
RθJA
RθJA
RθJA
RθJC
RθJA-PCB
Parameter
Continuous Drain Current, VGS @ 10V (Silicon Limited)
d Continuous Drain Current, VGS @ 10V (Silicon Limited)
Pulsed Drain Current
Maximum Power Dissipation
Linear Derating Factor
Gate-to-Source Voltage
Operating Junction and
Storage Temperature Range
e Single Pulse Avalanche Energy
l Single Pulse Avalanche Energy
Ãd Avalanche Current
d Repetitive Avalanche Energy
Parameter
n Junction-to-Ambient
p Junction-to-Ambient
o Junction-to-Ambient
qk Junction-to-Case
Junction-to-PCB Mounted
Max.
198™
125™
793
96
0.77
± 20
-55 to + 150
85
200
See Fig. 14, 15, 22a, 22b
Typ.
–––
12.5
20
–––
1.0
Max.
45
–––
–––
1.3
–––
Units
A
W
W/°C
V
°C
mJ
A
mJ
Units
°C/W
Static @ TJ = 25°C (unless otherwise specified)
Symbol
Parameter
V(BR)DSS
ΔV(BR)DSS/ΔTJ
Drain-to-Source Breakdown Voltage
Breakdown Voltage Temp. Coefficient
RDS(on)
Static Drain-to-Source On-Resistance
VGS(th)
IDSS
Gate Threshold Voltage
Drain-to-Source Leakage Current
IGSS
Gate-to-Source Forward Leakage
Gate-to-Source Reverse Leakage
RG
Internal Gate Resistance
Min.
40
–––
–––
2.2
–––
–––
–––
–––
–––
Typ.
–––
0.03
1.1
1.7
3.0
–––
–––
–––
–––
0.67
Max.
–––
–––
1.4
–––
3.9
1.0
150
100
-100
–––
Units
V
V/°C
mΩ
mΩ
V
μA
nA
Ω
Conditions
VGS = 0V, ID = 250μA
d Reference to 25°C, ID = 1.0mA
g VGS = 10V, ID = 90A
g VGS = 6.0V, ID = 72A
VDS = VGS, ID = 150μA
VDS = 40V, VGS = 0V
VDS = 40V, VGS = 0V, TJ = 125°C
VGS = 20V
VGS = -20V
Notes:
 Mounted on minimum footprint full size board with metalized
back and with small clip heatsink.
Ž Used double sided cooling , mounting pad with large heatsink.
 TC measured with thermocouple mounted to top (Drain) of part.
ΠSurface mounted on 1 in. square Cu
(still air).
 Mounted to a PCB with
small clip heatsink (still air)
 Mounted on minimum
footprint full size board with
metalized back and with small
clip heatsink (still air)
2
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November 25, 2014