AH293

LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR

CONTROLLER

AH293

Document number: DS31048 Rev. 6 - 2

3 of 8

www.diodes.com

June 2010

© Diodes Incorporated

Symbol

Characteristics

Rating

Unit

Vdd

Operating Supply Voltage

8

V

Output Current

400

mA

Output Current

700

mA

Power Dissipation

800

mW

Storage Temperature

-55 ~ 150

°C

Maximum Junction Temperature

150

°C

Recommended Operating Conditions

Symbol

Characteristic

Conditions

Min

Max

Unit

Vdd

Supply Voltage (Note 2)

Operating

1.8

5.75

V

Operating Ambient Temperature

Operating

-20

100

°C

Notes:

2. The output of IC will be switched after the supply voltage is over 1.8V, but the magnetic characteristics won't be normal until the

supply is over 2.0V.

Symbol

Characteristics

Conditions

Min

Typ.

Max

Unit

Idd

Supply current

Operating

-

2.6

4.0

mA

Rotor Lock Protection On Time

-

0.4

-

Sec

Rotor Lock Protection Off Time

2.4

3

3.6

Sec

Output Saturation Voltage

-

300

-

mV

-

600

-

mV

Output On Resistance

-

1.75

-

ohm

RD Output Vds

-

0.5

-

V

Vz

Output Zener-Breakdown Voltage

-

15

-

V

IN-

IN+

CT

OUT1

OUT2

RD

Mode

H

L

L

H

L

L

Rotating

L

H

L

L

H

L

Rotating

-

-

H

off

off

off

Lockup protection activated

Notes: