BD7998EFS

Structure Silicon Monolithic Integrated Circuit 1/3 Product series Type 6ch Power Driver for CD-ROM,DVD-ROM BD7998EFS Function ・The spindle driver and the SLED driver can highly effective drive with PWM drive system. ・The actuator driver and the loading driver are liner BTL drive system and are achieving a low noise power. ○Absolute maximum ratings Parameter Symbol Limits Unit POWER MOS power supply voltage SPVM1,2 SLRNF1,2 15 #1 V Preblock/BTL powerblock power supply voltage Vcc=SLVDD,AVM 15 V PWM control block power supply voltage DVcc 7V Power dissipation Pd 2.0 ＃2 W Operating temperature range Topr -40～85 ℃ Storage temperature Tstg -55～150 ℃ Joint part temperature Tjmax 150 ℃ #1 POWER MOS output terminals (17～20, 30, 33, 35pin) is contained. #2 PCB (70mm×70mm×1.6mm,occupied copper foil is less than 3%,glass epoxy standard board) mounting. Reduce power by 16mW for each degree above 25℃. ○Recommended operating conditions (Ta=-40～+85℃) 〔Set the power supply voltage taking allowable dissipation into considering〕 Parameter Spindle driver powerblock Power supply voltage Sled motor driver powerblock Power supply voltage Symbol SPVM SLVM MIN － － TYP Vcc #3 Vcc #3 MAX － － Unit V V Preblock / Loading driver powerblock Power supply voltage Actuator driver powerblock Power supply voltage SLVDD=Vcc AVM AVM 4.3 12 5.0 14 Vcc V V PWM control block power supply voltage Spindle driver output current DVcc Iosp 4.3 5.0 6.0 V － 1.2 2.5...