AM1469

AM1469 Motor Driver ICs 4-channel BTL driver for CD players AM1469 V33/V50 The AM1469 is a 4-channel BTL driver for CD player motors and actuators. An internal 3.3V/5.0V regulator and standard op amp are provided for variety of applications. Applications 1. 2. 3. CD player VCD player DVD player Features 1) HSOP28 package with good thermal performance 2) Few external parts. 3) External resistor allows gain adjustment. 4) V33 -- 3.3V regulator. V50 -- 5.0V regulator (requires attached PNP transistor) 5) Internal standard operational amplifier. 6) Built-in thermal shutdown circuit. Absolute maximum ratings (Ta = 25¢J Parameter Power supply voltage Power dissipation Storage temperature ¡¯1 Use base condition : 100x100mm, t=1.6mm, ) Rating 13.5 1.7*1 -55~+150 ¢J Unit V W Symbol Vcc max. Pd Tstg ¢J. copper leaf 50%, glass epoxy mounting. Derating is done at 13.6mW/¢J for operation above Ta = 25 Recommended operating conditions (Ta = 25¢J Parameter Operating temperature Operational voltage Symbol TOPR VOPR Limits ) Unit ¢J V -25 ~ +85 5 ~ 12 AMtek semiconductors - 1/8 - July, 2003 V1.0 D. BUF 28 1 ch1-OUT A D. BUF 27 S U BG N D 2 T. S . D ch1-OUTB D. B UF 26 ch4-O UTA 3 ch1-I N A D. B UF 10K LEV EL S HI FT 25 - + + - - Vcc NG 8 D + - ch2-I N B 9 13K 10K ch2-I N A ch2-OUTB D. BUF 12 DRIV ER-MUTE LE V EL S HI FT LEV EL S HI FT ch2-OUT A D. BUF 13 16 SU BG N D 14 - AM1469 Motor Driver ICs TS D¡G Thermal shut down circuit D. Buf¡G Drive buff...