FAN8025G3 Datasheet | Fairchild Semiconductor

Features - - - - - - 2-Channel BTL drivers with current feedback 2-Channel BTL DC motor drivers 1-Channel Logic input loading driver Built-in thermal shutdown circuit Built-in mute circuit Operating supply voltage: 4.5~13.2V Description The FAN8025G3 is a monolithic IC, suitable for 2-ch BTL DC motor drivers, 2-ch motor drivers with current feedback which drive the focus and the tracking actuator and 1-ch logic input loading driver. 28-SSOPH-375SG2 Typical Applications - - - - pact disk ROM (CD-ROM) Digital video disk player (DVDP) Video pact disk player(VCDP) Other pact disk media Ordering Information Device FAN8025G3 FAN8025G3X Package 28-SSOPH375SG2 28-SSOPH375SG2 Operating Temp. -35 °C ~ 85 °C -35 °C ~ 85 °C X:Tape & Reel type Rev. 1.0.0 ©2003 Fairchild Semiconductor Corporation 28 1 2 3 4 5 6 7 8 9 10 CTL FWD REV DO1+ DO1- 11 12 13 14 IN4 27 26 25 24 23 22 IN5 CAP5.1 CAP5.2 FB5 FB4 CAP4.1 CAP4.2 DO5- DO5+ DO4- DO4+ VCC2 MUTE REF Pin Assignments (GND) FIN FIN (GND) SGND 21 20 19 18 17 16 15 IN2 IN3 VCC1 DO3+ DO3- DO2+ DO2- Pin Definitions Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Pin Name IN5 CAP5.1 CAP5.2 FB5 FB4 CAP4.1 CAP4.2 SGND IN4 CTL FWD REV DO1+ DO1- DO2- DO2+ DO3- DO3+ VCC1 IN3 IN2 REF MUTE VCC2 DO4+ DO4- DO5+ DO5- I/O A A A A A A A P A A I I O O O O O O P A A A I P O O O O CH5 input Connection with capacitor for CH5 Feedback for CH5 Feedback for CH4 Connection with capacitor for CH4 Signal ground CH4 input CH1 speed control input CH1 forward input CH1 reverse input Drive1 Output (+) Drive1 Output (- ) Drive2 Output (- ) Drive2 Output (+) Drive3 Output (- ) Drive3 Output (+) Power for channel 1,2 and 3 CH3 input CH2 input Bias voltage input CH2,3,4 and 5 mute signal input Power for channel 4and 5 Drive4 Output (+) Drive4 Output (- ) Drive5 Output (+) Drive5 Output (- ) Pin Function Description Internal Block Diagram VCC1 VCC1 10k IN4 20k VCC1 24...