LA6572 Datasheet, PDF (8/9 Pages) Sanyo Semicon Device – 5-CH Driver for Mini Disc

Sample Application Circuit
EN-REG
LOADING
MUTE3
MUTE2
MUTE1
LOADING MOTOR M
SPINDLE MOTOR ^M
SLED MOTOR ^M
1 MUTE1
2 MUTE2
3 VCC2
4 VO5-
5 VO5+
6 VO4+
7 VO4-
8 VO3+
9 VO3-
FR
LA6572
MUTE3 36
S-GND 35
VIN5 34
VIN5- 33
VIN5+ 32
VIN4 31
VIN4- 30
VIN4+ 29
VREF-IN 28
FR
TRACKING COIL
FOCUS COIL
VCC
10 VO2+
11 VO2-
12 VO1+
13 VO1-
14 VCC1
15 VIN1
16 VIN1-
17 VIN1+
18 VIN2
VREF-OUT(CH5) 27
REG-IN 26
REG-OUT 25
EN-REG 24
VIN3+ 23
VIN3- 22
VIN3 21
VIN2+ 20
VIN2- 19
VCC
Add a capacitor + resistor between outputs or between the output and GND as a countermeasure against
oscillation of the output.
3.3VREG
VREF
SPINDLE
SLED
TRACKING
FOCUS
No.7777-8/9