42
MV-900SDS
IC301
BA9743AFV-E2
VCC
+
–
+
–
+
–
+
+
–
+
13
12
11
10
9
14
ERROR AMP 2
PWM COMP1
PWM COMP2
15
R
U.V.L.O.
S R
TIMER LATCH
VREF
16
–
+
+
S.C.P. COMP
7
6
5
4
3
ERROR AMP 1
TRIANGLE
OSCILLATOR
2
1
VREF
SCP
NON2
INV2
FB2
OUT2
DT2
CT
RT
NON1
INV1
FB1
DT1
OUT1
GND 8
VREF
VREF
REFERENCE
VOLTAGE
1
PROTECTION
REFERENCE
VOLTAGE,
SOFT START
RAMP WAVE
GENERATOR,
OSC
ERROR
AMP
PHASE
COMPENSATION
PWM
COMPARATOR
BUFFER,
DRIVER
VIN
2
EXT/2
3
P_BST
8
LX
7
EXT/1
5
FB
6
GND
PWM/PFM
CONTROLLER
4
CE
1
VIN 1
2
SW 1
3
VIN 2
4
NC
8 GND
7 V OUT
6 V+
5 NC
BIAS
BUFFER
1
2
4
8
7
6
5
LIN
SCL
LOUT
VDD
RIN
ROUT
SDA
+
−
+
−
+
−
3
VSS
CONTROL UNIT
1
STBY
2
OUT2
3
NC
4
PRE GND
5
NC
6
IN2
9
P.P
8
DC
7
IN1
VCC
OUT1
NC
POWER
AMP
RIPPLE
FILTER
+
–
POWER
AMP
REF
AMP
+
–
TSD
PROTECTOR
STANDBY SWITCH
POP SOUND
PROTECTION
BLOCK
12
11
10
IC706
PT2257-S
IC707
LA4627-E
IC305, 306
XC6377B103SR
IC704, 705
NJM2233BM
Summary of Contents for MV-900SDS - Dream System 3
Page 18: ...18 MV 900SDS MEMO ...
Page 74: ...74 MV 900SDS MEMO ...
Page 99: ...25 MV 900SDS MEMO ...