ICs for CD/CD-ROM Player
AN8377N
3-channel Linear Driver
s
Overview
The AN8377N is an IC which incorporates 3 circuits of
BTL drivers for driving various DC motors such as actua-
tors (focus, tracking, traverse), spindles, and loading of
the CD players, and the +5V low drop type power supply.
6.35±0.3
4.70.25
Unit : mm
3.05±0.25
1.06±0.25
0.5±0.1
3.80±0.3
0.560.1
+ 0.1
(maximum drive current : 500mA)
•
Stable circuit operation against supply voltage change
and temperature change due to the built-in stabilized
power supply
•
Built-in +5V low drop power supply (external PNP
power transistor)
•
Built-in reset circuit (reset voltage : 4.82V)
•
Built-in thermal protective circuit (operating tempera-
ture : 159 ; typ.)
•
Built-in power cut circuit (motor driver 1 only)
1.5±0.1
ø2.1
0 ~ 6˚
7.62±0.25
0.45
– 0.05
16-Lead DIP Package with Fin (HDIP016-P-0300)
s
Applications
Linear driving of the DC motors and actuators of the
CD players, CD radio cassette tape recorder, and so on.
s
Block Diagram
15
13
14
9
10
11
12
RST
Thermal
Shutdown
BTL
Motor
Driver 1
BTL
Motor
Driver 3
BTL
Motor
Driver 2
1
P V
CC
100kW
100kW
V
CC
2
Band–
gap
(2.5V)
5V
Regulator
(low–sat)
100kW
F GND
Error
Amp.
–
+
Error
Amp.
–
+
Error
Amp.
–
+
3
4
16
5
7
6
1
8
V
REF
(
⁄
2
V
CC
)
5.08±0.1
17
1.7
2.54 2.54
s
Features
•
Operating supply voltage range ; V
CC
=5.5V to 18V
•
Built-in 3 circuits of voltage BTL drivers
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
27.4±0.3
21.6±0.3
1.2±0.25
PANASONIC [ PANASONIC SEMICONDUCTOR ]
