Diodes AP5725 Manuel d'utilisateur télécharger pdf (Page 6)

AP5725

WHITE LED STEP-UP CONVERTER

AP5725

Document number: DS31844 Rev. 3 - 2

6 of 17

www.diodes.com

July 2010

© Diodes Incorporated

Typical Performance Characteristics (Continued)

V

IN

vs. OVP Threshold

25

27

29

31

33

35

2.5 3 3.5 4 4.5 5 5.5

V

IN

(V)

OVP Threshold(V)

Temperature vs. Shutdown Current

0

0.2

0.4

0.6

0.8

1

-50 -25 0 25 50 75 100 125

Shutdown Current(uA)

Temperature (

℃

)

Temperature vs. OVP Threshold

10

15

20

25

30

35

-50 -25 0 25 50 75 100 125

Temperature (

℃

)

OVP Threshold(V)

Temperature vs. Frequency

0.2

0.5

0.8

1.1

1.4

1.7

-50 -25 0 25 50 75 100 125

Temperature (

℃

)

Frequency (MHZ)

V

IN

= 3.6V

V

IN

= 4.2V

Temperature vs. Feedback Voltage

0.23

0.24

0.25

0.26

0.27

0.28

-50 -25 0 25 50 75 100 125

Temperature(

℃

)

Feedback Voltage(V)

V

IN

= 3.6V

V

IN

= 4.2V

1 2 3 4 5 6 7 8 9 10 11 ... 16 17

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