AP439PA datasheet(4/8 Pages) ANACHIP

Part #	AP439PA

Description	PWM Fan Speed Controller

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Manufacturer	ANACHIP [Anachip Corp]

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4 / 8 page

AP438/9

PWM Fan Speed Controller

Anachip Corp.

www.anachip.com.tw

Rev.0.5 Feb.12, 2004

4/8

Typical Characteristics

PWM ON Voltage v.s. Suppy Voltage

1.06

1.065

1.07

1.075

1.08

1.085

1.09

1.095

1.1

7

8

9 10 11 12 13 14 15 16 17 18

Suppy Voltage (V)

Supply Current v.s. Suppy Voltage

2.42

2.43

2.44

2.45

2.46

2.47

2.48

2.49

2.5

2.51

7

8

9

1011 121314 1516 1718

Suppy Voltage (V)

PWM ON Voltage v.s. System Loading

0.5

0.55

0.6

0.65

0.7

0.75

0.8

0.85

0.9

0.95

1

1.05

1.1

1.15

0

50 100 150 200 250 300 350 400 450 500 550

System Loading (mA)

Frequency v.s. Temperature

29.6

30

30.4

30.8

31.2

31.6

32

32.4

32.8

-40 -20 0

20 40 60 80 100 120 140

T em perature (℃)

PWM On Voltage v.s.Temperature

(Io=100mA)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

-10

0

10 20 30 40 50 60 70 80 90 100

Temperature (℃)

PWM On Voltage v.s. Temperature

(Io=500mA)

1.025

1.03

1.035

1.04

1.045

1.05

1.055

1.06

1.065

-10 0

10 20 30 40 50 60 70 80 90 100

Temperature (℃)

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