AN8473SA Ver la hoja de datos (PDF) - Panasonic Corporation
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AN8473SA Datasheet PDF : 7 Pages
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ICs for Compact Disc/CD-ROM Player
AN8473SA
Spindle motor driver IC for optical disk
I Overview
The AN8473SA is an optical disk driver IC,
featuring direct PWM drive, DMOS power drive,
low ON resistance of output power MOS and 120°
of duty-factor.
11.0±0.3
32
17
Unit: mm
I Features
• RON = 0.5 Ω (for both upper and lower)
• 5 V single power source
• Circuit current 7 mA (including step-up circuit
current)
I Applications
• Optical disk
I Block Diagram
1
16
0.2+–00..015
(0.625)
0.65
0.3
+0.1
–0.05
Seating plane
SSOP032-P-0300
(0.5)
Note) The package of this product will be changed to lead-free type
(SSOP032-P-0300B). See the new package dimensions section
later of this datasheet.
Start 11
FG 10
Start/
stop
H1H 7
H1L 6
H2H 5
H2L 4
H3H 3
H3L 2
VH 1
EC 8
ECR 9
Hall amp.
matrix
Hall
bias
PWMSW
30
PWM
frequency
changeover
circuit
Step-up
voltage
circuit
OSC
Thermal
protection
Amp.
Distributor
circuit
PWMOUTU
Amp.
Output
circuit
PWMOUTL
FF
Absolute
value
VT
SSET
SRESET
×5
VC1
17
VM21
18
VM22
32
VM11
31
VM12
27
A11
28
A12
24
A21
25
A22
21
A31
22
A32
23
PG2
26
PG1
19
CS
15
GND
Publication date: November 2001
SDD00005BEB
1
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