2
3
5
6
11
10
14
13
15
1
G
A/B
4B
4A
3B
3A
2B
2A
1B
1A
4
7
9
12
1Y
2Y
3Y
4Y
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A/B
1A
1B
1Y
2A
2B
2Y
GND
V
CC
G
4A
4B
4Y
3A
3B
3Y
1
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
Vcc
OE
B1
B2
B3
B4
B5
B6
B7
B8
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND
3Y
3A
2A
1A
VCC
6A
5A
4A
6Y
5Y
4Y
2Y
1Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
C
C
TG
C
C
C
C
C
C
TG
C
C
TG
TG
PRE
7
CLK
1
D
2
CLR
6
Q
5
Q
3
Tab internally
connected to
SOURCE pin
7D
5F
1C
2L
3X
4S
CURRENT
LIMIT
ADJUST
STOP LOGIC
STOP
OSCILLATOR WITH JITTER
SAW
LIQHT LOAD
FREQUENCY
REDUCTION
CLOCK
HALF
FREQ
LINE
SENSE
OVAIV
1 V
CONTROL (1C)
LINE-SENSEL (2L)
DRAIN (7D)
SOURCE (4S)
FREQUENCY (5F)
EXTERNAL
CURRENT LIMIT (3X)
5.0V
6.8V
4.6V
INTERNAL UV
COMPARATOR
VBG
VBG+VT
IFB
ZC
RE
VC
VI(LIMIT)
SOFT
START
SOFT-
START
ON/OFF
DCMAX
DCMAX
DMAX
SOFT START
+8
SHUTDOWN
AUTO-RESTART
SHUNT REGULATOR/
ERROR AMPLIFIER
S
PWM
COMPARATOR
R
Q
HYSTERETIC
THERMAL
SHUTDOWN
CURRENT LIMIT
COMPARATOR
INTERNAL
SUPPLY
0
1
CONTROLLED
TURN-ON
GATE DRIVER
LEADING
EDGE
BLANKING
r
SN74LVC157APWR
(X6786A0)
Data Selector
CONTROL: IC046, 051
r
SN74LVC2G74DCTR
(X8709A0)
Flip Flop
CONTROL: IC042
r
SN74LVC245APWR
(XZ287A0)
Bas Transceiver
CONTROL: IC054
r
TC74LCX04FT
(X8415A0)
Inverter
CONTROL: IC064
r501:/1%
(X8576A0)
Regulator
PSANH: IC201
NXAMP4x4
43
Summary of Contents for NXAMP 4X4
Page 48: ...B B NXAMP4x4 48 CONTROL Circuit Board Pattern side パターン側 2NA WR77020 10 0 ...
Page 49: ...B B NXAMP4x4 49 CONTROL Circuit Board Pattern side パターン側 2NA WR77020 10 0 ...
Page 51: ...NXAMP4x4 51 OUTANH Circuit Board Pattern side パターン側 2NA WJ97320 10 0 ...
Page 54: ...B B NXAMP4x4 54 PN AN Circuit Board Pattern side パターン側 2NA WJ97170 10 2 ...
Page 55: ...B B NXAMP4x4 55 PN AN Circuit Board Pattern side パターン側 2NA WJ97170 10 2 ...