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PDF KA3022D Data sheet ( Hoja de datos )
| Número de pieza | KA3022D | |
| Descripción | 4-Channel Motor Driver | |
| Fabricantes | Fairchild | |
| Logotipo |  |
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KA3022D/KA3022D3
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: 4.5~13.2V
• Corresponds to 3.3V or 5V DSP
Description
The KA3022D/KA3022D3 is a monolithic IC, suitable for a
1-ch (forward.reverse) control DC motor driver and a 3-ch
motor driver which drives the focus actuator,tracking actua-
tor, and sled motor of a CD-media system.
28-SSOPH-375
28-SSOPH-375SG2
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
©2000 Fairchild Semiconductor International
Ordering Information
Device
Package
Operating Temp.
KA3022D 28-SSOPH-375 -35 °C ~ 85 °C
KA3022DTF 28-SSOPH-375 -35 °C ~ 85 °C
KA3022D3 28-SSOPH-375SG2 -35 °C ~ 85 °C
KA3022D3TF 28-SSOPH-375SG2 -35 °C ~ 85 °C
Rev. 1.0.1
May. 2000.
1
1 page  
Equivalent Circuits
MUTE INPUT
50KΩ
7
50Ω 50KΩ
SIGNAL REFERENCE INPUT
23
50Ω
0.2kΩ
LOADING LOGIC INPUT
15
16 50Ω
30KΩ
30KΩ
KA3022D/KA3022D3
POWER OUTPUT
12
12 13
17 18
26 27
LOADING CONTROL INPUT
0.2KΩ
19
50Ω
5
5 Page 
Typical Application Circuits
KA3022D/KA3022D3
SERVO
AMP FOCUS
TRACKING
SLED
FOCUS
ACTUATOR
IN4.1
IN3
4CH MUTE
1 DO1−
2 DO1+
3 IN1
GND 28
DO4− 27
DO4+ 26
TRACKING
ACTUATOR
4 IN1.1
IN4 25
5 OPIN+
IN4.1 24
6 OPIN−
REF 23
REF(typically 1.675V)
7 MUTE4
VCC1 22
KA3022D/KA3022D3
5V
8 GND
9 OPTPUT
10 VCC2
12V
11 NC
TRAY MOTOR
12 DO2+
13 DO2−
14 GND
VCC3 21
IN3 20
12V
CTL 19
DO3+ 18
DO3− 17
SLED MOTOR
FWD 16
REV 15
CONTROL
(TRAY)
FORWARD
REVERSE
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet KA3022D.PDF ] | |
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