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FAN8400BD3TF View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
FAN8400BD3TF
Fairchild
Fairchild Semiconductor Fairchild
FAN8400BD3TF Datasheet PDF : 14 Pages
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FAN8400D (FAN8400BD3)
5. FG AMP & FG Schmidt Comparator Block
• This block measures of motor rotation speed and controls motor speed.
• It is determined FG AMP gain and filter by external component.
• FG schmidt block change sine wave form to square wave form
6. Error AMP Block
• It composes of dumping filter and ripple filter by external component.
• It determines output amplitude of error AMP by width error pulse.
• It is determined output current by output amplitude of error AMP.
• Bidirectional torque control
VRF
Reverse
Direction
VDZ
Forward
Direction
VREG/2
VEO
7. Regulator Block
• Power supply of control circuits in inside.
• Band gap reference circuits.
8. Lock Detector
• It is low when FG frequency reaches capture range of clock frequency.
• Open correct
9. FG Pulse Output
• Monitoring pin for motor rotative speed
• Open correct
10. Stop And Start
• Stop mode: Open or high voltage
• Start mode: Low voltage
10
 

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