KA3021D Datasheet, PDF (1/12 Pages) Fairchild Semiconductor – 4-Channel Motor Driver

KA3021D
4-Channel Motor Driver
www.fairchildsemi.com
Features
• 3-channel Balanced TransformerLess(BTL) driver
• 1-channel forward-reverse control DC motor driver
• Built-in thermal shutdown circuit
• Built-in mute circuit
• Operating supply voltage: 4.5V ~ 13.2V
• Corresponds to 3.3V or 5V DSP
Description
The KA3021D is a monolithic IC, suitable for a 1-ch (For-
ward.reverse) control DC motor driver and a 3-ch motor
driver which drives the focus actuator, tracking actuator, and
sled motor of a CD-media system.
28-SSOPH-375
Typical Applications
• Compact disk ROM (CD-ROM)
• Compact disk RW (CD-RW)
• Digital video disk ROM (DVD-ROM)
• Digital video disk RAM (DVD-RAM)
• Digital video disk Player (DVDP)
• Other compact disk media
Ordering Information
Device
KA3021D
KA3021DTF
Package
28-SSOPH-375
28-SSOPH-375
Operating Temp.
−35°C ~ +85°C
−35°C ~ +85°C
©2000 Fairchild Semiconductor International
1
Rev. 1.0.2
February. 2000.