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LB1816 - Optical/magnetic Disk Spindle Motor Driver

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LB1816 No. LB1816 θ 28 15 R1.7 12.7 11.2 8.4 1 20.0 26.75 14 (1.81) 1.78 0.6 1.0 4.0 4.0 0.4 LB1816 µ ∆ µ µ Ω Ω µ LB1816 µ µ ∆ LB1816 VCC + LD FGOUT FG-+ FG+ 1 Vreg 2 OSC OSC ECL DIVIDER -+ VCC LD PD EI EO Vreg S/S LD -+ 1 Vreg 2 Up V 6.3V REG S/S Lock PD CURR LIM Rf Rf PLL N1 SELECTOR N2 Down LVSD AGC AGC HYS COMP STOP DET TSD DRIVER HALL AMP VCC H1 H2 H3 GND1 GND2 + VCS FC OUT1 OUT2 OUT3 LOGIC + + + H1+ H1-H3+ H3-H2+ H2-VCC OUT3 OUT2 OUT1 Rf FC VCS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 Vreg AGC S/B N1 N2 OSC GND LD PD EI EO FG+ FG-FG OUT Top view LB1816 22 21 20 19 18 17 16 15 ° GND LB1816 LB1816 R3 0.01µF 39pF 4.608MHz 82pF 1.3kΩ C8 0.1µF 0.47µF 2kΩ C10 4.7µF R6 470kΩ 1.0kΩ 0.1µF R7 220kΩ 82kΩ 8.
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