DESCRIPTION
The UTC LINEAR INTEGRATED CIRCUIT FEATURES
* Built-in 5 channel drivers: Dual actuator drivers Sled motor driver Spindle driver Tray in-out driver * Built-in Two independent comparators * Thermal shut down and Mute circuit. HSOP-28 *Pb-free plating product number: UA8868L BLOCK DIAGRAM 28 27 26 60K 25 24 + 23 22 21 20 19 Vcc2 18 17 16 15 GND PGND Stand by 60K 90K + Spindle Driver Actuator Driver (4x) + - Thermal Shut down 150K Vcc2 Vcc2 + 60K 150K Pre-DRV + PGND Vcc1 TRAY DRIVER Sled Driver Actuator Driver (4x) Vcc1 + - 150K 60K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R109-020,B UTC UA8868 PIN DESCRIPTION
LINEAR INTEGRATED CIRCUIT PIN NO PIN NAME FUNCTION 1 VINFC Input for focus driver 2 OP2INComparator 2 input (-) 3 OP2IN+ Comparator 2 input (+) 4 VINSL+ OPAMP input (+) for the sled driver 5 OP2OUT Comparator 2 output 6 FWD Tray driver forward input 7 REV Tray driver reverse input 8 Vcc1 Vcc for pre-drive block and power block of sled and...
Unisonic Technologies
