AH287 데이터 시트보기 (PDF) - Diodes Incorporated.

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AH287

HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR CONTROLLER

Diodes Incorporated. 

AH287

HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR

CONTROLLER

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

Symbol

Idd

IOFF

TLRP-ON

TLRP-OFF

VOUT(SAT)

RDS(ON)

Vz

Truth Table

IN-

H

L

-

Characteristics

Supply Current

Output Leakage Current

Locked Protection On

Locked Protection Off

Output Saturation Voltage

Output On Resistance

Output Zener-Breakdown Voltage

Conditions

Operating

VOUT=24V

IO=200mA

IO=300mA

IO=200mA

Min Typ. Max Unit

-

2.0 4.0 mA

- < 0.1 10 μA

0.4 0.46 0.6 Sec

2.4 2.76 3.6 Sec

- 450 700 mV

- 680 800 mV

- 2.25 3.5 ohm

42 55 65

V

IN+

CT

OUT1

OUT2

L

L

H

L

H

L

L

H

-

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

-30

--

60

60

Gauss

-10

Gauss

--

Gauss

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

AH287 Rev. 10

DS31042

5 of 11

www.diodes.com

APRIL 2010

© Diodes Incorporated

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