AN8737SB - Panasonic Semiconductor

AN8737SB 3-channel driver

Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Description Ch. 2 first stage feedback pin Ch. 2 first stage input pin Ch. 1 first stage input pin Ch. 1 first stage feedback pin Ch. 1 current feedback input pin Ch. 1 current feedback output pin Control side power supply pin Ch. 1 & ch. 2 power side power supply pin Ch. 1 reverse direction output pin N.C. Ch. 1 .

Features

• Little phase delay due to a current feedback system (2 channels for actuator)
• The remaining channel is available for either traverse or loading motor drive.
• Wide output dynamic range (4 V/IO = 800 mA)
• Standby function built in (all channels can be muted.)
• Thermal shut-down circuit built in
• With thermal flag pin (1.2) 0.8 (6.4) 0.35+0.10
  –0.05 Seating plane HSOP042-P-0400 s Applications
• CD/CD-ROM player
• DVD/DVD-ROM drive 0.1±0.1 1 AN8737SB s Block Diagram PVCC1 ICs for Optical Disk Drive 20 TFLG 16 VO3− 12 15 28 14 19 1 2 VCC PGND1 13 VCC det. Temp. det. 1 2 .