PC905 Ver la hoja de datos (PDF) - Sharp Electronics

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PC905

Long Creepage Distance Voltage Detection Circuit Photocoupler with Built-in

Sharp Electronics 

Fig.14 OFF-state Anode Current vs.

Ambient Temperature

V A = 30V

V REF = GND

10

5

0

- 30

0 20 40 60 80 100

Ambient temperature T a (˚C)

Fig.16 Reference Input Current vs.

Ambient Temperature

3

IA = 10mA

2

1

0

- 25

0

25

50

75

100

Ambient temperature T a (˚C)

Fig.18-a Voltage Gain (1) vs. Frequency

100

IF = 2mA

T a = 25˚C

80

60

40

20

0

- 20

0.1

1

10

100

Frequency f ( kHz )

1 000

PC905

Fig.15 Reference Voltage vs.

Ambient Temperature

VK = V REF

2.60 IA = 10mA

V REF = 2.60V

2.50

2.495V

2.40

2.40V

- 30

0 20 40 60 80 100

Ambient temperature T a (˚C)

Fig.17 Reference Voltage Change vs.

Anode Voltage

0

IA = 10mA

T a = 25˚C

- 10

- 20

- 30

0 5 10 15 20 25 30 35

Anode voltage V A (V)

Test Circuit for Voltage Gain (1) vs.

Frequency

620 Ω

Vo

10k Ω

10 µ F Vin

f

10k Ω

Vo

AV1 = 20 log Vin

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