AP438S datasheet(4/8 Pages) ANACHIP

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

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

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

1.05

1.1

1.15

50 100 150 200 250 300 350 400 450 500 550

System Loading (mA)

Frequency v.s. Temperature

29.6

30.4

30.8

31.2

31.6

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)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

-10

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 (℃)

AP438S Datasheet(PDF) 4 Page - Anachip Corp

AP438S Datasheet(HTML) 4 Page - Anachip Corp

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