an8473sa Panasonic Corporation of North America, an8473sa Datasheet - Page 4

• Manufacturer Part Number: an8473sa
• Description: Spindle Motor Driver Ic For Optical Disk
• Manufacturer: Panasonic Corporation of North America

AN8473SA
■ Electrical Characteristics at T
■ Usage Notes
■ Application Notes
4
• Design reference data
• Prevent this IC from being line-to-ground fault.
• Be careful of the following three pins because their static breakdown voltages are low. (C = 200 pF, R = 0 Ω)
• P
PWM oscillation changeover
Input high-level
Input low-level
PWM oscillation changeover
PWM frequency high-level
PWM frequency low-level
Thermal protection
Thermal protection operating
temperature
Thermal protection hysteresis width
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
(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 15).)
D
 T
a
curves of SSOP032-P-0300B
Parameter
Parameter
Pin 23: breakdown at 120 V
Pin 26: breakdown at 120 V
1 400
1 200
1 032
1 000
800
600
534
400
200
000
Symbol
Symbol
PWM
0
a
PWM
f
f
T
∆T
PWMH
PWML
= 25°C (continued)
SDON
Independent IC
without a heat sink
R
P
SD
D
th(j-a)
25
H
= 534 mW (25°C)
L
= 187.1°C/ W
Ambient temperature
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
50
SDD00005CEB
Mounted on standard board
(glass epoxy:
R
P
= 5 V
= 5 V
= 5 V
= 5 V
= 5 V, PWMSW = Low
= 5 V, PWMSW = High
P
D
th(j-a)
D
= 1 032 mW (25°C)
 T
= 96.9°C/ W
75
Conditions
Conditions
a
50 × 50 × t0.8 mm
100
T
a
(°C)
125
3
)
150
Min
Min
4.5





Typ
Typ
150


80
40
40
Max
Max
0.5





Unit
Unit
kHz
kHz
°C
°C
V
V