17
XT-P50V
IC111
NJM2123V (TE2)
IC116
S-875271CUP-AHA-T2
1
2
3
4
5
6
7
8
V+
SW1
IN1 A+
IN1 A–
OUT1
IN1 B–
IN1 B+
SW C
16
15
14
13
12
11
10
9
SW 2
IN2 A+
IN2 A–
OUT2
IN2 B–
IN2 B+
SW R
GND
1
2
3
5
REGULATOR
POWER
ON/OFF
VOLTAGE
DETECT
4
PROTECT
CIRCUIT
V OUT
VSS
VPF
VOR
V IN
IC123
MM1108XFBE
2
3
4
1
7
6
5
8
VCO
V SYNC
SEP
SYNC
SEP
PHASE
COMP
H. SYNC
V. SYNC
VIN
GND
VCC
SC
VCO
LPF
3V