Figure 24. Switching time waveform and test schematic—
saturated test condition
IF
VO
t PLH
t PHL
VTH=1.5 V
Figure 27. Propagation delay versus collector load and
base-emitter resistance for IF=5 mA
1000 Ta = 25°C
Base-emitter
resistor
IF = 5 mA
Vcc = 5.25V
100 Vth = 1.5V
Open(tpHL)
Open(tpLH)
1MΩ(tpHL)
1MΩ(tpLH)
470K(tpHL)
10
470K(tpLH)
100KΩ(tpHL)
100KΩ(tpLH)
1
100
1000
10000
100000
RL - Collector Load Resistor - Ω
VCC
RL
VO
RBE
Figure 25. Propagation delay versus temperature and col-
lector load resistance for IF=10 mA
30
Vcc = 5.25, Rbe = 47KΩ
25 Vth = 1.5V
47KΩ tpLH
20
10KΩ tpLH
15
2.2KΩ tpLH
10
5
2.2KΩ tpHL
10KΩ tpHL
47KΩ tpHL
0
-50 -25 0 25 50 75 100 125
Ta - Ambient Temperature - °C
Figure 26. Propagation delay versus temperature and
collector load resistance for IF=20 mA
35
Vcc = 5.25V, Rbe = 47KΩ
30 Vth = 1.5 V
47KΩ tpLH
25
20
10KΩ tpHL
2.2KΩ tpLH
15
10
5 2.2KΩ tpHL 10KΩ tpLH 47KΩ tpHL
0
-50 -25 0 25 50 75 100 125
Ta - Ambient Temperature - °C
Figure 28. Propagation delay versus collector load and
base-emitter resistance for IF=5 mA
20 Ta = 25 °C
IF = 5 mA
15 Vcc = 5.25V
Vth = 1.5V
Base-emitter
resistor
82KΩ(tpHL)
82KΩ(tpLH)
47KΩ(tpHL)
10
47KΩ(tpLH)
33KΩ(tpHL)
5
33KΩ(tpLH)
22KΩ(tpHL)
0
100
1000
10000
100000
RL R- CLo-lCleocltloerctoLroaLdoaRdeRseisstiosrto-r -ΩΩ
22KΩ(tpLH)
Figure 29. Propagation delay versus collector load and
base-emitter resistance for IF=10 mA
10 00
10 0
Ta = 25°C
IF = 10 m A
Vcc = 5.25 V
Vth = 1 .5 V
Base-emi tter
resistor
Open (tpH L)
Open (tpL H)
1 MΩ(tpHL)
1 MΩ(tpLH)
4 70K(tpHL)
4 70K(tpLH)
10
1 00KΩ(tpH L)
1
1 00
1 000
10000
1000 00
RL - Colle ctor Load Resistor - Ω
1 00KΩ(tpL H)
8 2KΩ(tpHL )
8 2KΩ(tpLH )
Figure 30. Propagation delay versus collector load and
base-emitter resistance for IF=10 mA
15 Ta = 25 °C
IF = 10 mA
Vcc = 5.25 V
10 Vth = 1.5 V
Base-emitter
resistor
47KΩ(tpHL)
47KΩ(tpLH)
33KΩ(tpHL)
33KΩ(tpLH)
22KΩ(tpHL)
22KΩ(tpLH)
5
15KΩ(tpHL)
15KΩ(tpHL)
10KΩ(tpHL)
0
10KΩ(tpLH)
100
1000
10000
100000
RL - Collector Load Resistor - Ω
ILH200
5–6