AN8472SA Datasheet, PDF (7/9 Pages) Panasonic Semiconductor – Spindle motor driver IC for optical disk

ICs for Compact Disc/CD-ROM Player
s Terminal Equivalent Circuits (continued)
Pin No.
Symbol
29
N.C.
N.C.
30
N.C.
N.C.
31
VM1
Refer to pin 19
32
FC
Equivalent circuit
V_DD
1 kΩ
(typ.)
32
1 kΩ
(typ.)
AN8472SA
s Usage Notes
• Prevent this IC from being line-to-ground fault.
(To be concrete, do not short-circuit any of A31 (pin 21), A32 (pin 22), A21 (pin 24), A22 (pin 25), A11 (pin 27) and
A12 (pin 28) with GND pin (pin 17).)
• Precaution must be taken on the pin 13 and pin 16 due to approximately 200 V of the static breakdown voltages.
(C = 200 pF, R = 0 Ω)
s Application Notes
• P_D  T_a curves of SSOP032-P-0300
1.400
1.289
1.200
1.000
P_D  T_a
Mounted on standard board
(glass epoxy: 50 × 50 × t0.8 mm³)
Rth(j-a) = 96.9°C/ W
0.800
0.668
0.600
0.400
0.200
Independent IC
without a heat sink
Rth(j-a) = 187.1°C/ W
0.000
0
25
50
75
100 125
150
Ambient temperature T_a (°C)
7