Typical Performance Curves (Continued)
Fig. 8 Normalized t vs. R
Fig. 7 Switching Speed vs. Load Resistor
on
BE
1000
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
I
V
T
= 10 mA
= 10 V
F
V
I
R
10 V
CC =
= 2 mA
CC
= 25°C
C
A
= 100 Ω
L
100
10
1
T
off
T
f
T
on
T
r
0.1
0.1
1
10
100
10
100
R
1000
10000
100000
R-LOAD RESISTOR (kΩ)
- BASE RESISTANCE (k Ω)
BE
Fig. 10 Dark Current vs. Ambient Temperature
Fig. 9 Normalized t vs. R
off
BE
10000
1000
100
10
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
V
= 10 V
= 25°C
CE
T
A
1
V
I
R
10 V
CC =
= 2 mA
C
0.1
= 100 Ω
L
0.01
0.001
0
20
40
60
80
100
10
100
1000
10000
100000
T
- AMBIENT TEMPERATURE (°C)
A
R - BASE RESISTANCE (k Ω)
BE
TEST CIRCUIT
WAVE FORMS
VCC = 10V
INPUT PULSE
IC
IF
RL
10%
90%
INPUT
OUTPUT
OUTPUT PULSE
RBE
tr
tf
toff
ton
IF
IC
Adjust to produce = 2 mA
Figure 11. Switching Time Test Circuit and Waveforms
©2005 Fairchild Semiconductor Corporation
4NXXM, H11AXM Rev. 1.0.2
www.fairchildsemi.com
5
ROCHESTER [ Rochester Electronics ]
