Broadcom

ACPL-K43CT-K44CT-DS100

10

ACPL-K43CT, ACPL-K44CT Data Sheet

Automotive R2Coupler™ Wide Operating Temperature 1-MBd Digital Optocoupler in a

Stretched 8-Pin Surface-Mount Plastic Package

Figure 1: DC and Pulsed Transfer Characteristics

Figure 2: Current Transfer Ratio vs. Input Current,

VO = 0.4V, VCC = 5 V, TA = 25°C

0

5

10

15

20

25

30

010

20

VO - OUTPUT VOLTAGE - V

VCC = 5.0 V

TA = 25° C

40 mA

35 mA

25 mA

15 mA

10 mA

IF = 5 mA

20 mA

30 mA

0.0

0.5

1.0

1.5

2.0

2.5

3.0

0.1

1.0

10.0

100.0

IF - INPUT CURRENT - mA

Figure 3: Input Current vs. Forward Voltage

Figure 4: Current Transfer Ratio vs. Temperature

1.0

10.0

1.20

1.30

1.40

1.50

1.60

1.70

1.80

1.90

VF - FORWARD VOLTAGE - V

TA = 125° C

TA = 25° C

TA = -40° C

0.6

0.7

0.8

0.9

1.0

1.1

-60

-20

20

60

100

140

TA - TEMPERATURE - °C

Normalized

IF = 10 mA,

VO = 0.4 V

VCC = 5.0 V

TA = 25° C

Figure 5: Propagation Delay Time vs. Temperature,

IF = 10 mA, RL = 1.9 kΩ, CL = 15 pF

Figure 6: Propagation Delay Time vs. Temperature,

IF = 10 mA, RL = 20 kΩ, CL = 100 pF

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

-55

-15

-35

5

25

45

65

85

105 125

Ambient Temperature TA - °C

TPHL, Vcc = 5 V

TPLH, Vcc = 5 V

TPHL, Vcc = 3.3 V

TPLH, Vcc = 3.3 V

0.2

0.0

0.4

0.6

0.8

1.0

1.2

-55

-15

-35

5

25

45

65

85

105 125 145

Ambient Temperature TA - °C

TPHL, Vcc = 20 V

TPLH, Vcc = 20 V

TPHL, Vcc = 15 V

TPLH, Vcc = 15 V