AN8730SB Datasheet, PDF (6/7 Pages) Panasonic Semiconductor – 4-channel driver IC for optical disk

AN8730SB
ICs for Compact Disc/CD-ROM Player
s Electrical Characteristics at SV_CC = PV_CC = 5 V, 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
Temperature protection circuit
Thermal shut-down operating temperature TON
driver operation → stop
 150  °C
Thermal shut-down operating temperature DT
hysteresis width
 30  °C
s Application Note
• P_D  T_a curves of SSOP028-P-0375A
1 600
P_D  T_a
1 400
1 282
1 200
1 000
Mounted on standard board
(glass epoxy: 50 × 50 × t0.8 mm³)
Rth(j-a) = 78°C/ W
P_D = 1 282 mW (25°C)
800
690
600
Independent IC
400 ^{without a heat sink}
R_th(j-a) = 145°C/ W
P_D = 690 mW (25°C)
200
0
0
25
50
75
100 125
150
Ambient temperature T_a (°C)
6