©2005 Fairchild Semiconductor Corporation

www.fairchildsemi.com

MOC20xM, MOC21xM Rev. 1.5

6

Typical Performance Curves

Figure 4. Output Curent vs. Input Current

I

F – LED INPUT CURRENT (mA)

0.1

1

10

100

0.01

0.1

1

10

VCE = 5 V

NORMALIZED TO I

F = 10 mA

Figure 5. Output Current vs. Ambient Temperature

T

A – AMBIENT TEMPERATURE (°C)

-80

-60

-40

-20

0

20

40

60

80

100

120

0.1

1

10

NORMALIZED TO TA = 25

°C

Figure 6. Output Current vs. Collector-Emitter Voltage

V

CE – COLLECTOR-EMITTER VOLTAGE (V)

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10

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

I

F = 10 mA

NORMALIZED TO VCE = 5 V

Figure 7. Dark Current vs. Ambient Temperature

Figure 8. CTR vs. RBE (Unsaturated)

T

A – AMBIENT TEMPERATURE (°C)

020

40

60

80

100

0.1

1

10

100

1000

10000

VCE = 10 V

IF – LED FORWARD CURRENT (mA)

Figure 3. LED Forward Voltage vs. Forward Current

1

10

100

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

TA = –55°C

TA = 25°C

TA = 100°C

RBE –BASE RESISTANCE (kΩ)

10

100

1000

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

IF

IF =

IF

=

10 m A

= 5 mA

VCE = 5V, TA = 25°C

Normalized to:

CTR at RBE = Open

20 mA