LH1546AD, LH1546ADF, LH1546ADFTR

www.vishay.com

Vishay Semiconductors

Rev. 1.7, 25-Jul-11

3

Document Number: 83836

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

Fig. 1 - Recommended Operating Conditions

Fig. 2 - LED Voltage vs. Temperature

Fig. 3 - LED Current for Switch Turn-on vs. Temperature

Fig. 5 - Switch Capacitance vs. Applied Voltage

Fig. 6 - Leakage Current vs. Applied Voltage

0

20

40

60

80

100

120

- 40

- 20

0

20

40

60

80

Ambient Temperature (°C)

17335

I

I

I

ilh1546ad_01

0.1

1

10

100

1.6

1.5

1.4

1.3

1.2

1.1

1.0

0.9

I

T = - 40 °C

T = - 20 °C

T = 0 °C

T = 25 °C

T = 50 °C

T = 70 °C

T = 85 °C

- 50

0

50

100

150

200

250

- 40

- 20

0

20

40

60

80

Ambient Temperature (°C)

17334

I

ilh1546ad_03

Ambient Temperature (°C)

40

30

20

10

0

- 10

- 20

- 30

- 40

- 40

- 20

0

20

40

60

80

I

I

ilh1546ad_04

90

80

70

60

50

40

30

20

10

0

Applied Voltage (V)

0

1020

304050607080 90 100

ilh1546ad_06

100

10

1

0.1

0

50

100 150 200 250 300 350 400

Load Voltage (V)

T = 85 °C

T = 70 °C

T = 50 °C

T = 25 °C