LB1987

Ordering number : ENN6109A Monolithic Digital IC LB1987, 1987D, 1987M, 1987H Three-Phase Brushless Motor Driver for VCR Capstan Motors Overview The LB1987, LB1987D, LB1987M, and LB1987H are optimal capstan motor drivers for use in VCR sets. 3147B-DIP28H [LB1987D] 28 15 Functions Three-phase full-wave current-linear drive Torque ripple correction circuit (fixed correction ratio) Current limiter circuit with control characteristics gain switching Oversaturation prevention circuits for both the upper and lower sides of the output stage (No external capacitors are required.) FG amplifier Thermal shutdown circuit R1.7 12.7 11.2 8.4 1 20.0 27.0 14 1.93 1.78 0.6 1.0 4.0 4.0 SANYO: DIP28H 3129-MFP36S-LF [LB1987M] 36 19 Package Dimensions 3240-QFP34H-B 15.3 2.25 2.5max 9.2 10.5 7.9 unit: mm 1.6 1.6 23 13.2 10.0 4.8 0.8 18 17 1.0 1.0 0.4 0.8 0.85 0.1 0.2 SANYO: MFP36S-LF 24 13.2 10.0 0.8 0.35 8.4 3233-HSOP28H [LB1987H] 15.3 0.65 6.2 2.7 34 7 1 6 28 15 0.1 1.0 4.0 2.2 1 0.85 0.8 0.3 14 0.25 1.3 2.5max 2.25 SANYO: HSOP28H Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO...