14
14
M-800V/850V
5-4. IC Block Diagrams
IC401
MM1251BFBE
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
PRE
S GND
POW
A
POW
B
PGND
TC
ALC
ALC
IN
RIPPLE FILTER
RF OUT
RF IN
PRE -IN
PRE OUT
POW OUT
A
V+
POW GND
POW OUTB
TC
ALC IN
PRE +IN
SGND
POW +INA
POW -INA
POW -INB
POW +INB
RF OUT
RF IN
1 2
3
4
5
6
7
8
+
–
+
–
VOLTAGE UP
CIRCUIT
VREF
NC
VCC
VS
HYS
NC
CT
GND
OUT
1
2
3
4
8
7
6
5
GND
AMP OUT
GAIN CONT
INPUT
VCC
OUTPUT2
OUTPUT1
RECOVERY
TIME CAP
UOUT
DR
VCC
LB
FC
OUT
VSP
IN+
VREF
S/S
20
19
18
17
16
15
14 13
12
11
VOUT
WOUT
P-GND
WB
VB
UB
OSC
COM
GND
RI
1 2
3
4 5 6
7
8
9
10
DRIVER
STARTUP
DIR LOGIC
STARTUP
DET
WAVEFORM
DET
CURRENT
DET
SPEED
DET
LOCKING
PROTECT
OSC
BIAS
REF V
TSD
+
–
IC501
NJM2072M
IC601
LB1877V-TLM
IC101
NJM2775AM-TE2
