PC928 Просмотр технического описания (PDF) - Sharp Electronics

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PC928

Shortcircuit Protector Circuit Built-in OPIC Photocoupler Suitable for Inverter-Driving IGBT

Sharp Electronics 

Fig. 19 Error Signal "H-L" Delay Time vs.

Ambient Temperature

1.5

VCC = 24V

IF = 10mA

RFS = 1.8k Ω

1.2

RG = 47 Ω

CG = 3 000pF

RC = 1k Ω

CP = 1 000pF

0.9

0.6

0.3

0

- 25

0

25

50

75

100

Ambient temperature Ta (˚C)

Fig. 21 Low Level Error Signal Voltage vs.

Ambient Temperature

0.5

VCC = 24V

IF = 10mA

IFS = 10mA

0.4 RG = 47Ω

CG = 3 000pF

C = OPEN

0.3

0.2

0.1

0

- 25

0

25

50

75

100

Ambient temperature Ta (˚C)

Fig. 23 Error Signal Output Pulse Width vs.

Ambient Temperature

50

VCC = 24V

IF = 10mA

RFS = 1.8k Ω

40 RG = 47Ω

CG = 3 000pF

RC = 1k Ω

30 CP = 1 000pF

20

10

0

- 25

0

25

50

75

100

Ambient temperature Ta (˚C)

PC928

Fig. 20 O2 Output Voltage at Protection from

Overcurrent vs. Ambient Temperature

2

VCC = 24V

IF = 10mA

1.6

RG = 47 Ω

CG = 3 000pF

RC = 1k Ω

CP = 1 000pF

1.2

0.8

0.4

0

- 25

0

25

50

75

100

Ambient temperature Ta (˚C)

Fig. 22 High Level Error Signal Current vs.

Ambient Temperature

10 - 6

VCC = 24V

IF = 10mA

VFS = 24V

RG = 47Ω

CG = 3 000pF

10 - 7 VC = 0V

10 - 8

10 - 9

- 25

0

25

50

75

100

Ambient temperature Ta (˚C)

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