la6579h Sanyo Semiconductor Corporation, la6579h Datasheet - Page 3

• Manufacturer Part Number: la6579h
• Description: For Cd-r Four-channel Bridge Btl Driver
• Manufacturer: Sanyo Semiconductor Corporation

Block Diagram
V IN 1+A
V CC P1
V CC P2
V IN 1-A
V IN 4G
V O 1+
V O 2+
V O 3+
V O 4+
V O 1-
V O 2-
V O 3-
V O 4-
V IN 4
FR
FR
10
11
12
13
14
1
2
3
4
5
6
7
8
9
Power system
11kΩ
GND
33kΩ
V IN 1_SW
[H] : OP-AMP_A
[L] : OP-AMP_B
LA6579H
33kΩ
[H]
[L]
11kΩ
3.3VREG
(External PNP Tr)
All output ON/OFF
H : ON
L : OFF
33kΩ
33kΩ
Signal system
power supply
Power system
GND
Signal system
power supply
MUTE
11kΩ
11kΩ
FR
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V IN 1
V IN 1-B
V IN 1+B
S-GND
V IN 1-SW
MUTE
VREFIN
FR
V CC S
3.3VREG
REGIN
V IN 2G
V IN 2
V IN 3G
V IN 3
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