2000 Fairchild Semiconductor International
www.fairchildsemi.com
Rev. 1.0.1
February. 2000.
1
Features
1 phase, full-wave, linear DC motor driver
Built-in TSD (Thermal shutdown) circuit
Built-in 5V regulator (With an external PNP transistor)
Built-in mute circuit
Built-in loading motor speed control circuit
Wide operating supply voltage range: 6V~13.2V
Description
The KA9260D is a monolithic integrated circuit, suitable for
5-ch motor driver which drives focus actuator, tracking actu-
ator, sled motor, spindle motor and loading motor of CD sys-
tem.
28-SSOPH-375
Typical Applications
Compact disk player (CDP)
Video compact disk player (VCD)
Automotive compact disk player (CDP)
Other compact disk media
Ordering Information
Device
Package
Operating Temp.
KA9260CD
28-SSOPH-375
-
25
C ~ +75
C
KA9260CDTF 28-SSOPH-375
-
25
C ~ +75
C
KA9260D
5-Channel Motor Driver
KA9260D
3
Pin Definitions
Pin Number
Pin Name
I/O
Pin Function Description
1
DO1.1
O
Focus output 1 (
-
)
2
DO1.2
O
Focus output 2 (+)
3
DI1.1
I
Focus input 1
4
DI1.2
I
Focus input 2 (Adjustable)
5
REB
O
Regulator base
6
REO
O
Regulator output, 5V
7
MUTE
I
Mute
8
GND1
-
Ground 1
9
DI5.1
I
Loading input 1
10
DI2
I
Spindle input 2
11
DO2.1
O
Spindle output (+)
12
DO2.2
O
Spindle output (
-
)
13
GND2
-
Ground 2
14
DI5.2
I
Loading input 2
15
DO5.1
O
Loading output (+)
16
DO5.2
O
Loading output (
-
)
17
DO3.1
O
Sled output (
-
)
18
DO3.2
O
Sled output (+)
19
DI3
I
Sled input
20
LD CTL
I
Loading motor speed control
21
V
CC1
-
Supply voltage 1
22
V
CC2
-
Supply voltage 2
23
VREF
I
2.5V bias
24
DI4.1
I
Tracking input 1 (Adjustable)
25
DI4.2
I
Tracking input 2
26
DO4.1
O
Tracking output 1 (+)
27
DO4.2
O
Tracking output 2 (
-
)
28
GND3
-
Ground 3
KA9260D
5
Equivalent Circuits
Driver input (Except for loading motor driver)
Driver output
Loading motor driver input
Loading motor speed control input
Mute input
Bias input
Drive input
4
10
24
19
3
25
2.5V
10k
1
16
2
17
11
18
12
27
15
26
V
REF1
10k
20k
0.58k
9
14
50k
50k
50k
50k
50k
50k
50k
50k
20
50k
50k
50k
50k
50k
50k
7
50k
50k
50k
23
19
10
2.5V