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AN8481SB Datasheet, PDF (3/6 Pages) Panasonic Semiconductor – Spindle motor driver IC for optical disk
ICs for Motor
AN8481SB
s Pin Descriptions (continued)
Pin No. Symbol
Description
21
REF SW-REG reference setting pin
22
CS1 Current det. pin 1
23
N.C. N.C.
24
N.C. N.C.
Pin No. Symbol
Description
25
A3 Drive output 3
26
A2 Drive output 2
27
A1 Drive output 1
28
PG Power GND pin
s Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Supply voltage
VCC
7.0
V
VM
14.4
VREG
Control signal input voltage *4
V(n)
0 to VCC
V
Supply current
ICC
30
mA
Output current *3
IO(n)
±1 200
mA
Hall bias current
IHB
50
mA
Power dissipation *2
PD
667
mW
Operating ambient temperature *1
Topr
−20 to +70
°C
Storage temperature *1
Tstg
−55 to +150
°C
Note) Do not apply external currents or voltages to any pins not specifically mentioned.
For circuit currents, '+' denotes current flowing into the IC, and '−' denotes current flowing out of the IC.
*1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.
*2: For 70°C and IC alone.
*3: n = 22, 25, 26, 27, 28
*4: n = 1, 2, 3, 4, 5, 6, 8, 10, 11
s Recommended Operating Range
Parameter
Symbol
Range
Unit
Supply voltage
VCC
4.25 to 5.5
V
VM
4.5 to 14
VREG
s Electrical Characteristics at Ta = 25°C
Parameter
Symbol
Conditions
Min Typ Max Unit
Overall
Circuit current 1
Circuit current 2
Start/stop
ICC1 VCC = 5 V in power save mode
ICC2 VCC = 5 V, IO = 0 mA
 0 0.1 mA
 8 16 mA
Start voltage
Stop voltage
VSTART Voltage with which a circuit operates 3.5  
V
at VCC = 5 V and L → H
VSTOP Voltage with which a circuit becomes   1.0 V
off at VCC = 5 V and H → L
3