Datasheet
FDMS3672 N-Channel UltraFET Trench MOSFET
FDMS3672 Rev.C1
www.fairchildsemi.com
2
Electrical Characteristics T
J
= 25°C unless otherwise noted
Symbol Parameter Test Conditions Min Typ Max Units
Off Characteristics
BV
DSS
Drain to Source Breakdown Voltage I
D
= 250µA, V
GS
= 0V 100 V
∆BV
DSS
∆T
J
Breakdown Voltage Temperature
Coefficient
I
D
= 250µA, referenced to 25°C 104 mV/°C
I
DSS
Zero Gate Voltage Drain Current
V
DS
= 80V, 1
µA
V
GS
= 0V T
J
= 55°C 10
I
GSS
Gate to Source Leakage Current V
GS
= ±20V, V
DS
= 0V ±100 nA
On Characteristics
V
GS(th)
Gate to Source Threshold Voltage V
GS
= V
DS
, I
D
= 250µA 2 3.1 4 V
∆V
GS(th)
∆T
J
Gate to Source Threshold Voltage
Temperature Coefficient
I
D
= 250µA, referenced to 25°C -11 mV/°C
r
DS(on)
Drain to Source On Resistance
V
GS
= 10V, I
D
= 7.4A 19 23
mΩV
GS
= 6V, I
D
= 6.6A 24 29
V
GS
= 10V, I
D
= 7.4A, T
J
= 125°C 33 40
g
FS
Forward Transconductance V
DS
= 10V, I
D
= 7.4A 20 S
Dynamic Characteristics
C
iss
Input Capacitance
V
DS
= 50V, V
GS
= 0V,
f = 1MHz
2015 2680 pF
C
oss
Output Capacitance 210 280 pF
C
rss
Reverse Transfer Capacitance 90 135 pF
R
g
Gate Resistance f = 1MHz 1.3 Ω
Switching Characteristics
t
d(on)
Turn-On Delay Time
V
DD
= 50V, I
D
= 7.4A
V
GS
= 10V, R
GEN
= 6Ω
23 37 ns
t
r
Rise Time 11 20 ns
t
d(off)
Turn-Off Delay Time 36 58 ns
t
f
Fall Time 8 16 ns
Q
g
Total Gate Charge at 10V V
GS
= 0V to 10V
V
DD
= 50V
I
D
= 7.4A
31 44 nC
Q
g
Total Gate Charge at 4.5V V
GS
= 0V to 4.5V nC
Q
gs
Gate to Source Gate Charge 9.5 nC
Q
gd
Gate to Drain “Miller” Charge 8 nC
Drain-Source Diode Characteristics
V
SD
Source to Drain Diode Forward Voltage V
GS
= 0V, I
S
= 7.4A (Note 2) 0.8 1.2 V
t
rr
Reverse Recovery Time
I
F
= 7.4A, di/dt = 100A/µs
52 78 ns
Q
rr
Reverse Recovery Charge 101 152 nC
Notes:
1: R
θJA
is determined with the device mounted on a 1in
2
pad 2 oz copper pad on a 1.5 x 1.5 in. board of FR-4 material. R
θJC
is guaranteed by design while R
θCA
is determined by
the user's board design.
2: Pulse Test: Pulse Width < 300µs, Duty cycle < 2.0%.
a. 50°C/W when mounted on
a 1 in
2
pad of 2 oz copper
b. 125°C/W when mounted on a
minimum pad of 2 oz copper