IRF6645 International Rectifier, IRF6645 Datasheet - Page 2

• Manufacturer Part Number: IRF6645
• Description: MOSFET N-CH 100V DIRECTFET-SJ
• Manufacturer: International Rectifier
• Series: HEXFET®r

Specifications of IRF6645

• Fet Type: MOSFET N-Channel, Metal Oxide
• Fet Feature: Standard
• Rds On (max) @ Id, Vgs: 35 mOhm @ 5.7A, 10V
• Drain To Source Voltage (vdss): 100V
• Current - Continuous Drain (id) @ 25° C: 5.7A
• Vgs(th) (max) @ Id: 4.9V @ 50µA
• Gate Charge (qg) @ Vgs: 20nC @ 10V
• Input Capacitance (ciss) @ Vds: 890pF @ 25V
• Power - Max: 3W
• Mounting Type: Surface Mount
• Package / Case: DirectFET™ Isometric SJ
• Configuration: Single Quad Drain Dual Source
• Transistor Polarity: N-Channel
• Resistance Drain-source Rds (on): 35 mOhms
• Drain-source Breakdown Voltage: 100 V
• Gate-source Breakdown Voltage: +/- 20 V
• Continuous Drain Current: 5.7 A
• Power Dissipation: 3 W
• Maximum Operating Temperature: + 150 C
• Mounting Style: Through Hole
• Fall Time: 5.1 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 5 ns
• Lead Free Status / Rohs Status: No

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Notes:
IRF6645
BV
∆ΒV
R
V
∆V
I
I
gfs
Q
Q
Q
R
t
t
t
t
C
C
C
C
C
I
I
V
t
Q
Electrical Characteristic @ T
Diode Characteristics
DSS
GSS
d(on)
r
d(off)
f
S
SM
rr
GS(th)
SD
DS(on)
G
iss
oss
rss
oss
oss
g
Q
Q
Q
Q
sw
oss
rr
Pulse width ≤ 400µs; duty cycle ≤ 2%.
Repetitive rating; pulse width limited by max. junction temperature.
2
GS(th)
DSS
gs1
gs2
gd
godr
DSS
/∆T
/∆T
J
J
Drain-to-Source Breakdown Voltage
Breakdown Voltage Temp. Coefficient
Static Drain-to-Source On-Resistance
Gate Threshold Voltage
Gate Threshold Voltage Coefficient
Drain-to-Source Leakage Current
Gate-to-Source Forward Leakage
Gate-to-Source Reverse Leakage
Forward Transconductance
Total Gate Charge
Pre-Vth Gate-to-Source Charge
Post-Vth Gate-to-Source Charge
Gate-to-Drain Charge
Gate Charge Overdrive
Switch Charge (Q
Output Charge
Gate Resistance
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Output Capacitance
Output Capacitance
Continuous Source Current
(Body Diode)
Pulsed Source Current
(Body Diode) d
Diode Forward Voltage
Reverse Recovery Time
Reverse Recovery Charge
Parameter
Parameter
gs2
J
+ Q
= 25°C (unless otherwise specified)
gd
)
Min.
Min.
100
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
3.0
7.4
Typ.
Typ.
0.12
–––
–––
–––
–––
–––
–––
–––
890
180
870
100
–––
–––
–––
-12
4.8
5.3
5.6
7.2
1.0
9.2
5.0
5.1
3.1
0.8
28
14
18
40
31
40
Max. Units
Max. Units
-100
–––
–––
250
–––
–––
–––
–––
–––
–––
–––
–––
100
–––
–––
–––
–––
–––
–––
–––
–––
–––
4.9
7.2
1.3
35
20
20
25
45
47
60
mV/°C
V/°C
mΩ
µA
nA
nC
nC
nC
pF
ns
ns
V
V
S
Ω
A
V
V
Reference to 25°C, I
V
V
V
V
V
V
V
V
V
I
See Fig. 15
V
V
I
R
V
V
ƒ = 1.0MHz
V
V
MOSFET symbol
showing the
integral reverse
p-n junction diode.
T
T
di/dt = 100A/µs c
D
D
J
J
GS
GS
DS
DS
DS
GS
GS
DS
DS
GS
DS
DD
GS
DS
GS
GS
G
= 3.4A
= 3.4A
= 25°C, I
= 25°C, I
=6.2Ω
= V
= 100V, V
= 80V, V
= 10V, I
= 50V
= 16V, V
= 25V
= 0V, I
= 10V, I
= 20V
= -20V
= 10V
= 50V, V
= 0V
= 0V, V
= 0V, V
GS
, I
Conditions
Conditions
D
S
F
D
DS
DS
D
D
= 250µA
GS
GS
GS
= 3.4A, V
= 3.4A, V
= 50µA
= 3.4A
= 5.7A c
GS
= 1.0V, f=1.0MHz
= 80V, f=1.0MHz
= 0V, T
= 0V
= 10V c
= 0V
www.irf.com
D
= 1mA
DD
GS
J
G
= 125°C
= 0V c
= 50V
D
S