FAN8741 Fairchild Semiconductor, FAN8741 Datasheet

FAN8741

Manufacturer Part Number

FAN8741

Description

Manufacturer

Fairchild Semiconductor

Datasheet

1.FAN8741.pdf (23 pages)

Available stocks

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Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

FAN8741G

Quantity:

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

FAN8741GX

Manufacturer:

Fairchild Semiconductor

Quantity:

115

Company:

Meier Automation Equipment Co., Limited

Part Number:

FAN8741MTF

Manufacturer:

FAIRCHILD/仙童

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

FAN8741MTFX

Manufacturer:

Fairchild Semiconductor

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1 974

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FAN8741/FAN8742 Rev. 1.0.1

FAN8741/FAN8742

Spindle Motor and 6-CH Driver

[Spindle(PWM), Sled 2-CH(PWM) 4-CH(Linear)]

Features

Common

• Built-in thermal shutdown circuit (TSD)

• 8 Independent voltage sources

• Corresponds to 3.3V or 5V DSP

• 4 selectable mute inputs

Spindle

• Output PWM mode control

• FG output: open collector type

• Selectable brake(short & reverse brake)

• Built-in hall bias

• 180

• Built in short-through protection function

BTL(Sled 2-channels)

• Output PWM mode control

• Built in short-through protection function

BTL(Other 4-channels)

• Output linear mode control

Typical Applications

• CD-ROM

• CD-RW

• DVD-ROM

• DVD-RAM

• DVD Player (DVDP)

• Other compact disk media

• Game consoles

FAN8741/FAN8742

Spindle Motor and 6-CH Driver

[Spindle(PWM), Sled 2-CH(PWM) 4-CH(Linear)]

motor)

commutation(compatible with conventional BLDC spindle

Description

Suitable for a 3-phase BLDC (Brush-Less Direct Current) spindle

motor driver with PWM, the monolithic FAN8741/FAN8742 IC also

includes 2-ch motor drivers with PWM for sled motors and 4-ch

linear drivers which drive the focus actuator, tracking actuator, tilt

actuator, and loading motor in optical media applications.

Designed specifically for high-speed/high-density optical media

applications, the FAN8741/FAN8742’s power stage is created by

D-MOS transistors which have extremely low RDS

enables less heat generation and guarantees improved reliability.

The FAN8741G/FAN8742G is available in a 56-SSOP-HS pack-

age, which has high-power dissipation and the leadframe is

exposed to the top side.

The FAN8741MTF/FAN8742MTF is available in a 56-TSSOP-EP

package, which is very thin and the leadframe is exposed to

the bottom side.

Ordering Information

HS=HeatSlug, EP=ExposedPad

X:Tape & Reel type

FAN8741:FG3X

FAN8742:FG1X

FAN8741MTFX

FAN8742MTFX

FAN8741MTF

FAN8742MTF

FAN8741GX

FAN8742GX

FAN8741G

FAN8742G

Device

56-TSSOP-EP

56-SSOP-HS

Package

Operating Temp.

25 C to +75 C

www.fairchildsemi.com

April 2005

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