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KA2821D
Stepping Motor Driver
Features
• • • • • • • Built-in chip enable function (Active low) Low saturation
voltage Low power dissipation Input level: TTL, LSTTL, 5V
CMOS compatible Standard MPU direct interface Built-in Thermal Shutdown(TSD) circuit 2-CH H-bridge driver
Description
The KA2821D is a monolithic integrated circuit, and suitable as a two-phase stepping motor driver of a 3.
5-inch FDD system.
20-SOP-300
Typical Application
• Floppy disk drive (FDD) • General stepping motor
Ordering Information
Device KA2821D Package 20-SOP-300 Operating Temp.
−20 ~ +75°C
Rev.
1.
0.
2 May.
2000.
©2000 Fairchild Semiconductor International
1
KA2821D
Pin Assignments
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