PC9501N
17
■
IC BLOCK DIAGRAM
（IC ブロック図）
• NJM4558M (TE2)
(X5804A00)
• NJM2068M-D (TE2)
(X3505A00)
IN10: IC402~IC407, IC410, IC901~IC906
• M5238AFP
(X6317A00)
OP AMP
• NJM13600M (TE2)
(X5042A00)
OP AMP
(Operational Transconductance Amplifier)
• TC7WH14FU
(XY806A00)
INVERTER
• DS36276M
(X2155A00)
TRANSCEIVER
• UC3525AN
(X5952A00)
REGULATOR
– +
– +
1
2
3
4
8
7
6
5
Output A
Non-Inverting
Input A
Ground
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A
– +
– +
A
B
1
AMP BIAS INPUT A
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
DIODE BIAS A
+INPUT A
–INPUT A
OUTPUT A
V–
BUFFER INPUT A
BUFFER OUTPUT A
AMP BIAS INPUT B
DIODE BIAS B
+INPUT B
–INPUT B
OUTPUT B
V+
BUFFER INPUT B
BUFFER OUTPUT B
1
2
3
4
7
6
5
8
1A
3Y
2A
GND
Vcc
1Y
3A
2Y
1
2
3
4
R
8
7
6
5
RO
DE
DI
V
CC
DO/RI
DO/RI
GND
RE
D
Reference
Regulator
UVLO
Lockout
OSC
Flip
Flop
PWM
Latch
NOR
NOR
Error
Amp
1
INV. INPUT
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
N.I. INPUT
SYNC
OSC. OUTPUT
C
T
R
T
DISCHARGE
SOFT-START
V
REF
+V
IN
OUTPUT B
V
C
GROUND
OUTPUT A
SHUTDOWN
COMPENSATION
15
+V
IN
12
16
4
3
6
5
9
1
2
13
11
14
GROUND
SYNC
R
T
C
T
COMPENSATION
INV. INPUT
N.I. INPUT
V
C
OUTPUT A
OUTPUT B
8
SOFT-START
10
SHUTDOWN
7
DISCHARGE
V
REF
OSC
OUT
To Internal
circurity
V
REF
3 k
Ω
5 k
Ω
COM
S
S
R
50
µ
A
