AP438 View Datasheet(PDF) - Anachip Corporation

Part Name

Description

Manufacturer

AP438

PWM Fan Speed Controller

Anachip Corporation 

PWM Fan Speed Controller

„ Typical Characteristics

AP438/9

PWM ON Voltage v.s. Suppy Voltage

1.1

1.095

1.09

1.085

1.08

1.075

1.07

1.065

1.06

7 8 9 10 11 12 13 14 15 16 17 18

Suppy Voltage (V)

PWM ON Voltage v.s. System Loading

1.15

1.1

1.05

1

0.95

0.9

0.85

0.8

0.75

0.7

0.65

0.6

0.55

0.5

0 50 100 150 200 250 300 350 400 450 500 550

System Loading (mA)

PWM On Voltage v.s.Temperature

(Io=100mA)

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

-10 0 10 20 30 40 50 60 70 80 90 100

Temperature (℃)

Supply Current v.s. Suppy Voltage

2.51

2.5

2.49

2.48

2.47

2.46

2.45

2.44

2.43

2.42

7 8 9 10 11 12 13 14 15 16 17 18

Suppy Voltage (V)

Frequency v.s. Temperature

32.8

32.4

32

31.6

31.2

30.8

30.4

30

29.6

-40 -20 0 20 40 60 80 100 120 140

T em perature (℃)

PWM On Voltage v.s. Temperature

(Io=500mA)

1.065

1.06

1.055

1.05

1.045

1.04

1.035

1.03

1.025

-10 0 10 20 30 40 50 60 70 80 90 100

Temperature (℃)

Anachip Corp.

www.anachip.com.tw

Rev.0.5 Feb.12, 2004

4/8

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