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4

LAA127L

Rev. 2

PERFORMANCE DATA*

*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications, please contact

our application department.

LAA127L

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

30mA

20mA

10mA

5mA

LAA127L

Typical Turn-On vs. LED Forward Current

(Load Current = 170mADC)

LED Forward Current (mA)

0

5

1015202530354045

0.700

0.600

0.500

0.400

0.300

0.200

0.100

0

50

LAA127L

Typical Turn-Off vs. LED Forward Current

(Load Current = 170mADC)

LED Forward Current (mA)

0

5

1015202530354045

0.140

0.120

0.100

0.080

0.060

0.040

0.020

0

50

LAA127L

Typical On-Resistance vs. Temperature

Temperature (

°C)

-40

60.000

50.000

40.000

30.000

20.000

10.000

0

-20

0

20

40

60

80

100

LAA127L

vs. Temperature

(Load Current = 170mADC)

Temperature (

°C)

-40

2.500

2.000

1.500

1.000

0.500

0

-20

0

20

40

60

80

100

LAA127L

Typical IF for Switch Dropout

vs. Temperature

(Load Current = 170mADC)

Temperature (

°C)

-40

2.500

2.000

1.500

1.000

0.500

0

-20

0

20

40

60

80

100

LAA127L

Typical Load Current vs. Load Voltage

(Ambient Temperature = 25

°C)

Load Voltage (V)

200

150

100

50

0

-50

-100

-150

-200

-2.5 -2.0 -1.5 -1.0 -0.5

0

0.5 1.0 1.5 2.0 2.5

LAA127L

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

LAA127L

Typical Current Limiting vs. Temperature

Temperature (

°C)

300.00

250.00

200.00

150.00

100.00

50.00

0

-40

-20

0

20

40

60

80

100