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