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| AN8472SA Datasheet, PDF (3/9 Pages) Panasonic Semiconductor – Spindle motor driver IC for optical disk | |||
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ICs for Compact Disc/CD-ROM Player
AN8472SA
s Pin Descriptions (continued)
Pin No. Symbol
Description
25
A22 Drive output 2
26
RNF1 Current det. pin 1
27
A11 Drive output 1
28
A12 Drive output 1
Pin No. Symbol
Description
29
N.C. N.C.
30
N.C. N.C.
31
VM1 Motor supply voltage pin 1
32
FC Oscillator pin
s Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Supply voltage *2
VDD
6
V
VM1
VM2
Drive output voltage *5
V(m)
15
V
Control signal input voltage *6
V(n)
0 to VDD
V
Supply current
IDD
30
mA
Drive output current *4
I(o)
±1 200
mA
Hall bias current *7
IHB(n)
30
mA
Power dissipation *3
PD
293
mW
Operating ambient temperature *1
Topr
â20 to +70
°C
Storage temperature *1
Tstg
â55 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 'â' 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: The voltage in the step-up voltage circuit exceeds the supply voltage.
For the allowable value of the step-up voltage, refer to "s Electrical Characteristics".
*3: The power dissipation shown is the value of independent IC without a heat sink at Ta = 70°C. Refer to the PD  Ta curves
of the "s Application Notes" for details.
*4: o = 19, 21, 22, 23, 24, 25, 26, 27, 28, 31
*5: m = 21, 22, 24, 25, 27, 28
*6: n = 8, 9, 11
*7: n = 1, 2, 3, 4, 5, 6, 7
s Recommended Operating Range
Parameter
Symbol
Range
Unit
Supply voltage
VDD
4.5 to 5.5
V
VM1
VM2
3
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