Data Sheet
MMBFJ110 — N-Channel Switch
© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com
MMBFJ110 Rev. 1.1 4
Typical Performance Characteristics (Continued)
Figure 7. Switching Turn-On Time vs.
Gate-Source Cutoff Voltage
Figure 8. Switching Turn-On Time vs. Drain Current
Figure 9. On Resistance vs. Drain Current Figure 10. Output Conductance vs. Drain Current
Figure 11. Transconductance vs. Drain Current Figure 12. Power Dissipation vs Ambient Temperature
ON
GS(off)
Switching Turn-On Time vs
Gate-Source Cutoff Voltage
-10-8-6-4-20
0
2
4
6
8
10
V - GATE-SOURCE CUTOFF VOLTAGE (V)
t - TURN-ON TIME (ns)
T =
25
캜
V = 1.5V
V = - 12V
GS(off)
A
DD
I = 30 mA
D
I = 10 mA
D
°C
GS(off)
ON
Switching Turn-On Time
vs Drain Current
0 5 10 15 20 25
0
10
20
30
40
50
I - DRAIN CURRENT (mA)
t - TURN-OFF TIME (ns)
D
OFF
V = - 8.5V
V = - 5.5V
V = - 3.5V
GS(off)
GS(off)
GS(off)
T =
25
캜
V = 1.5V
V = - 12V
GS(off)
A
DD
°C
On Resistance vs Drain Current
110100
1
5
10
50
100
I - DRAIN CURRENT (mA)
r - DRAIN "ON" RESISTANCE
D
DS
V = - 3.0V
GS(off)
25캜
(
Ω
)
125캜
25
캜
125
캜
V = - 5.0V
GS(off)
V = 0
GS
- 55
캜
°C
°C
°C
°C
°C
Output Conductance
vs Drain Current
0.1 1 10
1
10
100
I - DRAIN CURRENT (mA)
g - OUTPUT CONDUCTANCE ( mhos)
D
os
V
GS(off)
T =
25캜
f = 1.0 kHz
V = 5.0V
DG
μ
A
10V
15V
20V
5.0V
5.0V
10V
15V
20V
- 4.0V
10V
15V
20V
- 2.0V
- 1.0V
°C
Transconductance
vs Drain Current
0.1 1 10
1
10
100
I - DRAIN CURRENT (mA)
g - TRANSCONDUCTANCE (mmhos)
D
fs
V = - 1.0V
V = - 3.0V
V = - 5.0V
GS(off)
GS(off)
GS(off)
T = 25캜
V = 10V
f = 1.0 kHz
A
DG
T = - 55캜
T = 25캜
T = 125캜
A
A
A
°C
°C
°C
°C
0 20 40 60 80 100 120 140 160
0
100
200
300
400
500
600
700
Power Dissipation, [mW]
Ambient Temperature, T
a
[
o
C]