5–5

IL1/2/5

Figure 13. Collector base photocurrent versus LED current

Figure 14. Normalized photocurrent versus If and tempera-

ture

Table 15. Normalized non-saturated HFE versus base current

and temperature

100

10

1

.1

.01

.1

1

10

100

1000

IF - LED Current - mA

Icb = 1.0357 *IF ^1.3631

Ta = 25

°C

100

10

1

.1

.01

.1

1

10

NIB-Ta=-20¡C

NIb,Ta=25¡C

NIb,Ta=50¡C

NIb,Ta=70¡C

If -LED Current- mA

Normalized to:

If = 10ma, Ta = 25¡C

1

10

100

1000

0.4

0.6

0.8

1.0

1.2

Ib - Base Current -

µA

Ib = 20

µA

Vce = 10 V

Ta = 25

°C

-20

°C

25

°C

50

°C

70

°C

Normalized to:

Figure 16. Normalized saturated HFE versus base current

and temperature

Figure 17. Propagation delay versus collector load resistor

1

10

100

1000

0.0

0.5

1.0

1.5

Ib - Base Current - (

µA)

-20

°C

25

°C

50

°C

70

°C

Normalized to:

Vce = 10V

Ib = 20

µA

Ta = 25

°C

Vce = 0.4V

100

10

1

.1

1

10

100

1000

1.0

1.5

2.0

2.5

RL - Collector Load Resistor - K

Ω

tpLH

tpHL

Ta = 25

°C, IF = 10mA

Vcc = 5 V, Vth = 1.5 V