www.vishay.com

4

Document Number 83833

Rev. 1.4, 26-Oct-04

LH1540AAB/ AABTR/ AT

Vishay Semiconductors

Figure 5. Current Limit vs. Temperature

Figure 6. ON-Resistance vs. Temperature

Figure 7. Variation in ON-Resistance vs. LED Current

i1540at_04

40

10

30

20

0

–20

–10

–40

–30

t=5 ms

AMBIENT TEMPERATURE (°C)

–40

–20

0

20

40

60

80

i1540at_05

50

10

30

20

40

–20

–30

–10

–40

0

AMBIENT TEMPERATURE (

°C)

–40

–20

0

20

40

60

80

i1540at_06

04

812

1620

1.5

0.5

–0.5

1.0

0

LED FORWARD CURRENT (mA)

Figure 8. Switch Capacitance vs. Applied Voltage

Figure 9. Insertion Loss vs. Frequency

Figure 10. Output Isolation

i1540at_07

0

80

60

50

0

40

30

20

10

70

20

40

APPLIED VOLTAGE (V)

60

100

80

f=1.0 MHz

i1540at_08

FREQUENCY (Hz)

0.30

0

0.25

0.20

0.10

0.05

0.15

i1540at_09

FREQUENCY (Hz)

100

80

60

40

20

0