FEATURES
˙4 channels of Power-Mos H-bridge drivers. ˙Built-in DC/DC converter control circuit. ˙Built-in reset circuit. ˙Built-in VG booster circuit. ˙Built-in voltage down regulator circuit. ˙Built-in On/OFF function ˙Low power consumption. ˙Direct PWM drive system. ˙QFP44 package. DESCRIPTION
APPLICATIONS
Disc-man Portable compact disc players (CDP) Portable Mini disc player (MD) Other portable compact disc media Block Diagram PGND2 PGND1 PVCC2 PVCC1 OUT2+ OUT3+ OUT4+ 24 OUT1- OUT2- OUT3- 33 32 31 30 29 28 27 26 25 OUT423 OUT1+ SPRT SOFT CT DC_IN REGB REGO GND PGND3 LG VG 34 PRE-DRIVER 35 PRE-DRIVER PRE-DRIVER PRE-DRIVER 22 FIL4 FIL3 FIL2 FIL1 VREF IN4 IN3 IN2 IN1 RESET MUTE1 21 36 20 37 19 38 REGULATOR SWITCH OUTPUT 18 39 VSYS DETECT 17 40 16 41 15 42 43 PRE-DRIVER POWER SUPPLY CONVERTER DC/DC CONVERTER 14 TRIANG WAVE RESET 13 44 POWER OFF STARTER MUTE1 MUTE34 12 1 SW 2 VSYS 3 4 EO 5 N.C. 6 N.C. 7 N.C. 8 START 9 OFF 10 CLK 11 MUTE34 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Aimtron Technology
