AH2984(2010) データシートの表示（PDF） - Diodes Incorporated.

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AH2984
(Rev.:2010)

TWO PHASE HALL-EFFECT SMART FAN MOTOR CONTROLLER

Diodes Incorporated. 

AH2984

TWO PHASE HALL-EFFECT SMART FAN MOTOR

CONTROLLER

Electrical Characteristics (TA = 25°C, Vdd = 12V; unless otherwise specified, Note 4)

Symbol

Characteristics

Conditions

Min Typ.

Idd

Ton

Toff

Rduty

Rds(on)

Vz

Supply Current

Locked Protection On Time

Locked Protection Off Time

Locked Protection Duty Ratio

Output On Resistance

Output Zener-Breakdown Voltage

Operating, Vdd=12V

Toff/Ton

IO= 300mA

IO= 500mA

(Note 4)

2.0 3.5

-

0.25

-

3.25

-

13

-

1

-

1.25

24

33

Notes: 4. The Vz value is in D.C voltage measurement. The Vz may vary with coils in A.C. voltage measurements.

Max

5.0

-

-

-

1.67

1.8

42

Unit

mA

Sec

Sec

-

ohm

V

Magnetic Characteristics (TA = 25°C, Vdd = 2.5V to 15V, Note 5)

(1mT=10 Gauss)

Symbol

Characteristics

Min

Typ.

Max

Unit

Bop

Operate Point

5

30

60

Gauss

Brp

Release Point

-60

-30

-5

Gauss

Bhy

Hysteresis

20

60

120

Gauss

Notes: 5. The magnetic characteristics may vary with supply voltage, operating temperature and after soldering.

AH2984

Document number: DS31698 Rev. 3 - 2

5 of 11

www.diodes.com

May 2010

© Diodes Incorporated

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