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参数资料
| 型号： | FAN8423DTF |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.3 A, PDSO28 |
| 封装： | 0.375 INCH, HEAT SINK, SSOP-28 |
| 文件页数： | 18/18页 |
| 文件大小： | 283K |
| 代理商： | FAN8423DTF |
FAN8423D (KA3023D); PRELIMINARY
9
2. SHORT BRAKE
When the pick-up mechanism moves from the inner to the outer spindle of the CD, the Brake function of the reverse voltage is
commonly employed to decrease the rotating velocity of the Spindle Motor.
However, if the Spindle Motor rotates rapidly, the Brake function of the reverse voltage may produce more heat at the Drive
IC.
To remove this shortcoming and to enhance the braking efficiency, the Short Brake function is added to FAN8423D. When the
Short Brake function is active, all upper Power TRs turn off and all lower Power TRs turn on. This slows down the motor.
3. START/STOP (POWER SAVE)
When Start/Stop function is active, all Power TRs turn off.
Pin # 18
Short Brake
HIGH
ON
LOW
OFF
Pin # 23
Start/Stop
HIGH
OPERATE
LOW
STOP
2
4
7
18
Vcc
ON
OFF
20K
1K
MOTOR
OFF
ON
2
4
7
23
Vcc
Start
Stop
30K
40K
MOTOR
OFF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FAN8434 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Camcorder 3 in 1 Motor Driver |
| FAN8434_NL | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Camcorder 3 in 1 Motor Driver |
| FAN8434X | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Camcorder 3 in 1 Motor Driver |
| FAN8434X_NL | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Camcorder 3 in 1 Motor Driver |
| FAN8460MPX | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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