AN8737SB Datasheet, PDF (2/8 Pages) Panasonic Semiconductor – 3-channel driver IC for optical disk drive

AN8737SB
s Block Diagram
1
2
V_CC
PGND1 ¹³
V_REF ²⁶
N.C. ¹⁰
ICs for Optical Disk Drive
V_CC Temp.
det. det.
Reset
V_REF
reset
1
2
V_CC
17 _PGND2
18 _PC2
s Pin Descriptions
Pin No.
Description
1
Ch. 2 first stage feedback pin
2
Ch. 2 first stage input pin
3
Ch. 1 first stage input pin
4
Ch. 1 first stage feedback pin
5
Ch. 1 current feedback input pin
6
Ch. 1 current feedback output pin
7
Control side power supply pin
8
Ch. 1 & ch. 2 power side power supply pin
9
Ch. 1 reverse direction output pin
10
N.C.
11
Ch. 1 & Ch. 2 mute pin
12
Ch. 2 forward direction output pin
13
Ch. 1 & ch. 2 power side grounding pin
14
Ch. 2 reverse direction output pin
15
Ch. 2 forward direction output pin
Pin No.
16
17
18
19
20
21
22
23
24
25
26
27
28
Fin
Description
Ch. 3 reverse direction output pin
Ch. 3 power side grounding pin
Ch. 3 mute pin
Ch. 3 forward direction output pin
TDS flag pin
Ch. 3 power side power supply pin
N.C.
Ch. 3 reverse rotation input pin
Standby input pin
Ch. 3 forward rotation input pin
Reference voltage input pin
Ch. 2 current feedback output pin
Ch. 2 current feedback input pin
Control side grounding pin
2