IL74 datasheet(3/4 Pages) SIEMENS

3 / 4 page

5–3

IL/ILD/ILQ74

Figure 5. Normalized non-saturated and saturated CTR

at TA=85°C versus LED current

Figure 6. Collector-emitter current versus temperature

and LED current

Figure 7. Collector-emitter leakage current versus

temperature

Figure 8. Normalized CTRcb versus LED current

and temperature

100

0.0

0.5

1.0

1.5

NCTR(SAT)

NCTR

Normalized to:

Vce = 10V, IF = 10mA, Ta = 25

°C

Ta = 85

°C

CTRce(sat) Vce = 0.4V

IF - LED Current - mA

°C

IF - LED Current - mA

°C

100

-20

-2

-1

Ta - Ambient Temperature -

°C

TYPICAL

Vce = 10V

100

0.0

0.5

1.0

1.5

°C

IF - LED Current - mA

Normalized to:

IF =10 mA

Vcb = 9.3 V

Ta = 25

°C

Figure 9. Collector base photocurrent versus LED

current

Figure 10. Normalized photocurrent versus If and

temperature

Figure 11. Normalized non-saturated HFE versus

base current and temperature

Figure 12. Normalized saturated HFE versus base

current and temperature

100

.01

100

1000

IF - LED Current - mA

Icb = 1.0357 *IF ^1.3631

Ta = 25

°C

100

.01

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

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

Normalized to:

100

1000

0.0

0.5

1.0

1.5

Ib - Base Current - (

µA)

-20

°C

Normalized to:

Vce = 10V

Ib = 20

µA

Ta = 25

°C

Vce = 0.4V

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