LH1556AB/ AAC/ AACTR

Document Number 83842

Rev. 1.3, 26-Oct-03

Vishay Semiconductors

www.vishay.com

3

Transfer

Typical Characteristics (Tamb = 25

°C unless otherwise specified)

Parameter

Test condition

Symbol

Min

Typ.

Max

Unit

Capacitance (input-output)

0.67

pF

Turn-on time

1.14

3.0

ms

Turn-off time

0.71

3.0

ms

Figure 1. Recommended Operating Conditions

Figure 2. LED Voltage vs. Temperature

ilh1556ab_00

60

80

0

40

120

100

20

-40

-20

0

20

40

60

80

Ambient Temperature (°C)

IFon =2.0 mA

IFon =3.0 mA

IFon =4.0 mA

IFon = 5.0 to 20 mA

ilh1556ab_01

Ambient Temperature, TA (°C)

-40

-20

0

20

40

60

80

1.6

1.5

1.4

1.3

1.2

1.1

1.0

IF = 1.0 mA

IF =20mA

IF = 2.0 mA

IF = 5.0 mA

IF =10mA

IF =50mA

Figure 3. LED Forward Current vs. LED Forward Voltage

Figure 4. LED Reverse Current vs. LED Reverse Voltage

ilh1556ab_02

0

20

40

60

80

100

120

0

0.5

1

1.5

2

LED forward Voltage (V)

T=85°C

T=25°C

T = -40 °C

ilh1556ab_03

0

2

4

6

8

10

0

20

40

6080100

Reverse LED Voltage (V)

T = -40 °C

T=25°C

T=85°C