AH288 查看數據表（PDF） - Diodes Incorporated.

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比赛名单

AH288

HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR CONTROLLER

Diodes Incorporated. 

AH288

HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR

CONTROLLER

Electrical Characteristics (TA = 25 °C, Vdd = 24V, unless otherwise specified)

Symbol

ICC

IOFF

TLRP-ON

TLRP-OFF

VOUT(SAT)

RDS(ON)

VOL

VZ

Parameter

Supply Current

Output Leakage Current

Locked Protection On

Locked Protection Off

Output Saturation Voltage

Output On Resistance

FG Output Vds

Output Zener-breakdown Voltage

Conditions

Operating

VOUT = 24V

IO = 200mA

IO = 300mA

IO = 200mA

IO = 10mA

Min Typ. Max Unit

-

2

4 mA

- < 0.1 10 μA

0.4 0.46 0.6 Sec

2.4 2.76 3.6 Sec

- 450 700

mV

- 680 800

- 2.25 3.5 ohm

-

0.3 0.5

V

42

55 65

V

Truth Table

IN-

IN+

H

L

L

H

-

-

CT

OUT1 OUT2

FG

L

H

L

H

L

L

H

L

H

off

off

-

Mode

Rotating

Rotating

Lockup protection activated

Magnetic Characteristics (TA = 25 °C, Vdd = 24V, unless otherwise specified, Note 7)

(1mT=10 Gauss)

Symbol

Characteristics

Min

Typ.

Max

Unit

Bop

Operate Point

Brp

Release Point

Bhy

Hysteresis

10

30

60

Gauss

-60

-30

-10

Gauss

-

60

-

Gauss

Notes: 7. Magnetic characteristics are for design information, which will vary with supply voltage, operating temperature and after soldering.

AH288 Rev. 12

DS31040

5 of 9

www.diodes.com

APRIL 2010

© Diodes Incorporated

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