PT480 Ver la hoja de datos (PDF) - Sharp Electronics

Número de pieza

componentes Descripción

Fabricante

PT480

Phototransistor Narrow Acceptance

Sharp Electronics 

Fig.5-b Collector Current vs. Collector-

emitter Voltage

(PT480F )

3.0

T a = 25˚C

Ee = 3mW/cm2

2.5

2.5mW/cm2

2.0

2mW/cm2

1.5

1.5mW/cm2

1.0

1mW/cm2

0.8mW/cm2

0.5

0.6mW/cm2

0.4mW/cm2

0.2mW/cm2

0

0 2 4 6 8 10 12 14

Collector-emitter voltage V CE (V)

Fig. 7 Response Time vs. Load Resistance

100

VCE = 2V

IC = 2mA

50 T a = 25˚C

20

tr

tf

10

5 tf

tr

2

1

0.1 0.2

0.5 1

2

5 10

Load resistance RL ( kΩ)

Fig. 8 Sensitivity Diagram (Ta = 25˚C )

- 20˚ - 10˚ 0˚ + 10˚ + 20˚

100

- 30˚

+ 30˚

80

- 40˚

60

- 50˚

40

- 60˚

- 70˚

20

- 80˚

- 90˚

0

Angular displacement θ

+ 40˚

+ 50˚

+ 60˚

+ 70˚

+ 80˚

+ 90˚

PT480/PT480F

Fig. 6 Spectral Sensitivity

100

T a = 25˚C

80

60

PT480

40

PT480F

20

0

400 500 600 700 800 900 1000 1100

Wavelength λ ( nm )

Test Circuit for Response Time

Output Input

VCC

RL

90 %

Output

10 %

tr

tf

Fig.9-a Collector-emitter Saturation

Voltage vs. Irradiance (PT480 )

1.4

T a = 25˚C

1.2

1.0

0.8

0.6

0.4

0.2

0

0.05 0.1 0.2 0.5 1 2

5 10

Irradiance E e ( mW/cm 2 )

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