LH1540AAB/ AABTR/ AT

Document Number 83833

Rev. 1.4, 26-Oct-04

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)

0.8

pF

Turn-on time

1.2

2.0

ms

Turn-off time

0.5

2.0

ms

Figure 1. Recommended Operating Conditions

Figure 2. LED Voltage vs. Temperature

0

0

i1540at_01

AMBIENT TEMPERATURE (°C)

1.6

1.5

1.4

1.0

1.3

1.2

1.1

–40

–20

0

20

40

60

80

Figure 3. LED Dropout Voltage vs. Temperature

Figure 4. LED Current for Switch Turn-on vs. Temperature

i1540at_02

AMBIENT TEMPERATURE (

°C)

–40

–20

0

20

40

60

80

1.20

1.15

1.10

0.95

1.00

1.05

MIN.

TYP.

i1540at_03

AMBIENT TEMPERATURE (

°C)

100

–60

80

60

40

–40

–40

20

–20

0

–20

0

20

40

60

80