AN8814SB Datasheet, PDF (4/5 Pages) Panasonic Semiconductor – 4-channel driver IC for optical disk drive

AN8814SB
ICs for Compact Disc/CD-ROM Player
s Electrical Characteristics at T_a = 25°C (continued)
• Design reference data
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter
Symbol
Conditions
Min Typ Max Unit
Thermal protection circuit
Operating temperature
equilibrium value
T_THD
 180  °C
Operating temperature
hysteresis width
∆T_THD
 45  °C
s Usage Notes
1. Avoid the short-circuits between output and V_CC , and between output pin and GND.
Otherwise, the IC is likely to break down or emit smoke.
2. An appropriate prior study should be done for use of dip soldering.
s Application Notes
• P_D  T_a curves of HSOP042-P-0400
2.500
2.240
2.000
1.500
P_D  T_a
Mounted on standard board
(glass epoxy:
75 mm × 75 mm × t1.6 mm)
Rth(j-a) = 55.8°C/W
1.042
1.000
0.500
Independent IC
without a heat sink
Rth(j-a) = 119.9°C/W
0.000
0
25
50
75 100 125 150
Ambient temperature T_a (°C)
4