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4

LAA125

R4

Performance Data*

LAA125

Typical LED Forward Voltage Drop

vs. Temperature

Temperature (

°C)

1.8

1.6

1.4

1.2

1.0

0.8

-40 -20

0

20

40

60

80

120

100

50mA

10mA

5mA

LAA125

Typical Turn-On vs. LED Forward Current

(Load Current = 170mADC)

LED Forward Current (mA)

0

5

1015202530354045

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

50

LAA125

Typical Turn-Off vs. LED Forward Current

(Load Current = 120mADC)

LED Forward Current (mA)

0

10 15 20 25 30 35 40 45

0.60

0.55

0.50

0.45

0.40

0.35

0.30

0.25

0.20

0

50 55

LAA125

Typical On-Resistance vs. Temperature

(Load Current = max rated over temp)

Temperature (

°C)

-40

20

18

16

14

12

10

0

-20

0

20

40

60

80

100

Single Pole

Dual Pole

5mA

5mA

5mA

10mA

10mA

Instantaneous

LAA125

vs. Temperature

(Load Current = max rated over temp)

Temperature (

°C)

-40

3.6

3.2

2.8

2.4

2.0

1.6

1.2

0.8

0.4

-20

0

20

40

60

80

100

LAA125

vs. Temperature

(Load Current = max rated over temp)

Temperature (

°C)

-40

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

-20

0

20

40

60

80

100

LAA125

Typical Load Current vs. Load Voltage

(Ambient Temperature = 25

°C)

Load Voltage (V)

200

150

100

50

0

-50

-100

-150

-200

-2.0 -1.5 -1.25 -0.625

0

0.625 1.25 1.875 3.0

LAA125

Energy Rating Curve

Time

1.2

1.0

0.8

0.6

0.4

0.2

0

10

µs

1ms

100ms

10s

100

µs

10ms

1s

100s