Samsung S1000 - Page 46

VCC
ST.BY
Vref
MODE
PRE GND
GND
µ-COM 5.6V 250 mA CDP 10V 600mA
MOTOR 13.3V
MAIN SIGNAL 12V 0.8A
6
10
9
11
12
Selector
3 5
1
2 8
Vcc
18
VR 2
17
VIN(R) 2
16
PH
15
CIN 2
14
COUT 2
13
VOUT 21
12
VOUT 22
11
VON(0)
10
1 2 3 4 5 6 7 8 9
Vs
T VR 1 VIN(R) 1 PH 1 CIN 1 COUT 1 VOUT 11 VOUT 12 GND
ABSO
DET
PEAK
DET
Com-
parator
VCA
VCA
Pre-Drive
PEAK
DET
ABSO
DET
Com-
parator
C1297CA : DIC1
BA3950A : RIC1
Samsung Electronics
9-7
Block Diagrams