5–2

MCA230/231/255

Figure 1. Forward voltage versus forward current

Figure 2. Normalized non-saturated and saturated

Figure 3. Normalized non-saturated and saturated

collector-emitter current versus LED current

Figure 4. Normalized collector-base photocurrent

versus LED current

100

10

1

.1

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

IF - Forward Current - mA

Ta = -55

°C

Ta = 25

°C

Ta = 85

°C

.1

1

10

100

1000

0.0

0.2

0.4

0.6

0.8

1.0

1.2

Vce =1V

Vce = 5 V

IF - LED Current - mA

Vce = 5 V

IF = 10 mA

Ta = 25

°C

Normalized to:

100

10

1

.1

.001

.01

.1

1

10

Vce = 1V

Vce = 5 V

IF - LED Current - mA

Ta = 25

°C

IF = 10 mA

Vce = 5 V

Normalized to:

.1

1

10

100

.001

.01

.1

1

10

IF - LED Current - mA

Ta = 25

°C

Vcb = 3.5 V

IF = 10 mA

Normalized to:

Figure 5. Non-saturated and saturated HFE versus base current

Figure 6. Low to high propagation delay versus

collector load resistance and LED current

Figure 7. High to low propagation delay versus

collector load resistance and LED current

Figure 8. Switching timing waveform and schematic

.01

.1

1

10

100

0

2000

4000

6000

8000

10000

Vce = 5 V

Vce = 1 V

Ib - Base Current -

µA

Ta = 25

°C

0

5

10

15

20

0

20

40

60

80

Ta = 25

°C, Vcc = 5V

Vth = 1.5 V

220

Ω

470

Ω

1K

Ω

IF - LED Current - mA

100

Ω

0

5

10

15

20

0

5

10

15

20

100

Ω

1K

Ω

IF - LED Current - mA

Ta = 25

°C

Vcc = 5 V

Vth = 1.5 V

VCC=5 V

VO

RL

IF=10 mA

F=10 KHz,

DF=50%