AN842

Use a Self-Powered Op Amp to Create a Low-Leakage Rectifier

AN8420FBP

Spindle/Voice Coil Motor Drive IC

OverView TheAN8420FBPisanICforthevoicecoilmotorandthespindlemotordriveoftheharddiskdrivesystem(HDD). Forthespindlemotordrive,theacousticnoiselevelofthespindlemotorcanbegreatlyimprovedbythesensor-lesssoftswitchsystem.

AN8428GAK

For 3.5inch HDD Motor Comb IC

■Overview AN8428GAKismotorcombICfor3.5inchHDD. Bynewretractcircuit,reduceexternalcomponentsandshortenthebraketimeofthedisktoimprovereliabilityofHDD. Spindlemotorsensorlesslineardrive. VCMlineardrive,PWM-DACcontrol. Built-inRetract,12V/5V/3

BD842

iscSiliconPNPPowerTransistor

DESCRIPTION •Collector-EmitterBreakdownVoltage- :V(BR)CEO=-60V(Min) •HighDCCurrentGain •LowSaturationVoltage •ComplementtoTypeBD841 •MinimumLot-to-Lotvariationsforrobustdevice performanceandreliableoperation APPLICATIONS •Designedfordriver-stagesinhi-fi

BD-E842RD-A

DUALDIGITLEDDISPLAY

BD-F842RD-A

DUALDIGITLEDDISPLAY