Typical performance characteristics, Al8806q – Diodes AL8806Q User Manual

Page 4

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AL8806Q

Document number: DS36905 Rev. 1 - 2

4 of 13

www.diodes.com

April 2014

© Diodes Incorporated

AL8806Q

Typical Performance Characteristics

(@T

A

= +25°C, unless otherwise specified.)

 

0

50

100

150

200

250

300

350

400

0

5

10

15

20

25

30

V (V)

Supply Current (not switching) vs. Input Current

IN

I (

µ

A

)

IN

V

= 0V

V

= V

T = 25 C

CTRL

SET

IN

A

°

0

100

200

300

400

500

600

700

800

900

0

1

2

3

4

5

V

(V)

Switching Frequency vs. V

CTR L

CT RL

V = 12V
1 LED
R

= 150m

T = 25°C

IN

SET

A

Ω

F

requ

e

nc

y (

kH

z)

L = 33µH

L = 68µH

L = 100µH

-60

-40

-20

0

20

40

60

80

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

V

= V = 12V

T = 25 C

SET

IN

A

°

I (

µ

A

)

CT

RL

V

(V)

I

vs V

CTRL

CTRL

CTRL

0

0.5

1

1.5

2

2.5

3

0

5

10

15

20

25

30

CTRL

A

V

= Open

T = 25 C

SET

IN

V

= V

°

V (V)

V

vs. Input Voltage

(CTRL pin open circuit)

IN

CTRL

V (

V

)

CT

RL

2.48

2.49

2.50

2.51

2.52

-40

-15

10

35

60

85

110

Ambient Temperature (°C)

V

vs. Temperature

CTRL

V

= Open

V

= V

= 12V

CTRL

SET

IN

V (

V

)

CT

RL



0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5

T = 25°C

A

L =68µH

CTRL VOLTAGE (V)

LED Current vs. V

CTRL

LE

D

C

U

R

R

EN

T

(A

)

R

= 68m

SET

Ω

R

= 100m

SET

Ω

R

= 150m

SET

Ω

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