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PDF KA3027D2 Data sheet ( Hoja de datos )
| Número de pieza | KA3027D2 | |
| Descripción | 4-Channel Motor Driver | |
| Fabricantes | Fairchild | |
| Logotipo |  |
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KA3027D2
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: 4.5~5.5V
• Corresponds to 3.3V or 5V DSP
Description
The KA3027D2 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-300
Typical Applications
• Notebook compact disk ROM (CD-ROM)
• Other portable compact disk media
Ordering Information
Device
Package
KA3027D2 28-SSOPH-300
KA3027D2TF 28-SSOPH-300
Operating Temp.
-35 °C ~ 85 °C
-35 °C ~ 85 °C
©2000 Fairchild Semiconductor International
1
Rev. 1.0.1
February. 2000.
1 page  
KA3027D2
Equivalent Circuits
MUTE INPUT
8
50KΩ
27
50Ω
28
50KΩ
CH3 LEVEL SHIFT INPUT
10KΩ
21
50Ω
ERROR AMP INPUT
15
18 50Ω
16
50Ω 19
ERROR AMP OUTPUT
17
50Ω 20
POWER OUTPUT
23
67
10 11
13 14
SIGNAL REFERENCE INPUT
26
50Ω
0.2kΩ
LOADING CONTROL INPUT
0.2KΩ
23
50Ω
LOADING LOGIC INPUT
24
25 50Ω
30KΩ
30KΩ
5
5 Page 
KA3027D2
Typical Performance Characteristics (Continued)
VO (V)
8
7
6
5
4
3
2
1
0
0
< Iload & VO (LOAD REGULATION (TRAY PART) )>
DO4+
DO4-
Ta=25℃
VCC=8V, CTL=3.5V
FWD=5V, REV=0V → DO4+
FWD=0V, REV=5V → DO4-
0.2 0.4 0.6 0.8
1
Iload (A)
VO (V)
12
10
8
6
4
2
0
0
< CTL & OUTPUT VTG (TRAY PART) >
Ta=25℃
VCC=13V
RL=24ohm
FWD=5V, REV=0V
2 4 6 8 10 12
CTL (V)
GVC (dB)
21
18
15
12
9
CH1
CH2
6 CH3
3
0
- 40
- 20
0
< TEMP & GVC >
VCC=VM12=VM34=5V
RL1=8ohm (CH1,2)
RL2=24ohm(CH3)
20 40 60 80 100
TEMP (℃)
VO (V)
10
9
8
7
6
5
4
3
2
1
0
- 40
< TEMP & OUTPUT VTG (TRAY PART) >
VO1
VO2
- 20 0
VCC=VM34=8V CTL=6.8V → VO1
VCC=VM34=13V CTL=9.5V → VO2
RL=24ohm
20 40 60 80 100
TEMP (℃)
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet KA3027D2.PDF ] | |
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