15
STAGEPAS 300
IC BLOCK DIAGRAM
NJM2068M-D TE1 (AAX62750)
Dual Operational Amplifier
1
2
3
4
-V
8
7
6
5
Output A
+V
Non-Inverting
Input A
-DC Voltage Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A
+
-
+
-
M65850FP (AAX62760)
Digital Echo
2
3
4
5
6
8
15
1
16
13
14
7
12
11
10
9
1
2
3
4
5
6
7
NC
NC
LPF1 IN
LPF1 IN
LPF1 OUT
LPF1 OUT
OP1 OUT
OP1 OUT
CC1
CC1
CC2
CC2
GND
GND
16
15
14
13
12
11
8
NC
NC
Vcc
Vcc
CLOCK
CLOCK
REF
REF
OP2 OUT
OP2 OUT
OP2 IN
OP2 IN
LPF2 IN
LPF2 IN
LPF2 OUT
LPF2 OUT
7
8
10
9
OP1 IN
OP1 IN
A / D
D / A
LPF1
LPF2
MO
MI
DO0
D1
RESET
CLOCK
DO1
MAIN CONTROL
AUTO
RESET
1/2 Vcc
OSCILLATOR
20Kbit
SRAM
IN --
IN +
OUT
GND
Vref
D7
R7
5.83 k
Ω
R6
4.12 k
Ω
R1
1 k
Ω
D6
--
+
12, 11, 10, 9
D1
Vcc Rch
COM
1
--
+
COM
6
--
+
COM
7
LB1407-E LF (AAX68710)
AC/DC Voltage Level Meter
2
3
4
5
6
8
1
13
14
7
1
2
3
4
5
6
7
14
13
12
11
10
9
8
7
8
Vcc
Rch
Vref
IN+
IN--
OUT
GND
D7
D6
D5
D4
D3
D2
D1
IC102, 105, 106, 202, 203, 302,
TOP249Y (AAX63650)
Switching Controller
1: CONTROL
2: LINE-SENSE
3: EXTERNAL
CURRENT LIMIT
4: SOURCE
5: FREQUENCY
7: DRAIN
1
3
2
4
5
7
1
3
2
5
7
4
VC
ZC
RE
IFB
VI (LIMIT)
VBG+VT
VBG
5.8 V
1 V
SHUNT REGULATOR/
ERROR AMPLIFIER
INTERNAL UV
COMPARATOR
–
+
–
+
–
+
–
+
CONTROL (C)
LINE-SENSE (L)
FREQUENCY (F)
DRAIN (D)
SOURCE (S)
EXTERNAL
CURRENT LIMIT (X)
CURRENT
LIMIT
ADJUST
SOFT
START
ON/OFF
5.8 V
4.8 V
SOFT START
STOP LOGIC
0
1
INTERNAL
SUPPLY
LINE
SENSE
OV/UV
DCMAX
DCMAX
DMAX
CLOCK
SAW
STOP
SOFT-
START
HALF
FREQ.
LIGHT LOAD
FREQUENCY
REDUCTION
PWM
COMPARATOR
S Q
R
LEADING
EDGE
BLANKING
CONTROLLED
TURN-ON
GATE DRIVER
CURRENT LIMIT
COMPARATOR
HYSTERETIC
THERMAL
SHUTDOWN
SHUTDOWN/
AUTO-RESTART
÷
8
OSCILLATOR WITH JITTER
（
IC
ブロック図）
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9
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9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
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6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
