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FAN8741 bảng dữ liệu(PDF) 1 Page - Fairchild Semiconductor

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Trang chủ  http://www.fairchildsemi.com
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FAN8741 bảng dữ liệu(HTML) 1 Page - Fairchild Semiconductor

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©2005 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
April 2005
FAN8741/FAN8742 Rev. 1.0.1
FAN8741/FAN8742
FAN8741/FAN8742
FAN8741/FAN8742
FAN8741/FAN8742
Spindle Motor and 6-CH Driver
Spindle Motor and 6-CH Driver
Spindle Motor and 6-CH Driver
Spindle Motor and 6-CH Driver
[Spindle(PWM), Sled 2-CH(PWM) 4-CH(Linear)]
[Spindle(PWM), Sled 2-CH(PWM) 4-CH(Linear)]
[Spindle(PWM), Sled 2-CH(PWM) 4-CH(Linear)]
[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
•180o commutation(compatible with conventional BLDC spindle
motor)
• 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
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 RDSON. This
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
Device
Package
Operating Temp.
FAN8741G
56-SSOP-HS
−25°C to +75°C
FAN8741GX
56-SSOP-HS
−25°C to +75°C
FAN8742G
56-SSOP-HS
−25°C to +75°C
FAN8742GX
56-SSOP-HS
−25°C to +75°C
FAN8741MTF
56-TSSOP-EP
−25°C to +75°C
FAN8741MTFX
56-TSSOP-EP
−25°C to +75°C
FAN8742MTF
56-TSSOP-EP
−25°C to +75°C
FAN8742MTFX
56-TSSOP-EP
−25°C to +75°C


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