20
PSR-S550/PSR-S550B
■
IC BLOCK DIAGRAM
(IC ブロック図)
SN74LV08APWR
(X4463A00)
Quad 2 Input AND
1
2
3
1A
1Y
4
2A
5
2B
6
2Y
7
VSS
1B
14
13
12
VDD
4A
11
4Y
10
3B
9
3A
8
3Y
4B
DM: IC13
SN74AHCT08PWR
(X3824A00)
DM: IC24
SN74LV14APWR
(X6688A0R)
Hex Inverter
1
1A
2
1Y
3
2A
4
2Y
5
3A
6
3Y
7
GND
14
VDD
13
6A
12
6Y
11
5A
10
5Y
9
4A
8
4Y
DM: IC20
NJM4580E(TE2)
(X2331A0R)
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
+
-
+
-
DM: IC16
-OUT2
+OUT2
RIPPLE
FILTER
BIAS
CIRCUIT
STANDBY
SW
POP NOISE
PREVENTION
CIRCUIT
PREDRIVER
PREDRIVER
POWER
POWER
LOAD SHORT
PROTECTOR
OUTPUT PIN TO V
CC
SHORT PROTECTOR
OUTPUT PIN TO V
CC
SHORT PROTECTOR
OUTPUT PIN TO GND
SHORT PROTECTOR
OUTPUT PIN TO GND
SHORT PROTECTOR
PREDRIVER
PREDRIVER
POWER
POWER
OVER VOLTAGE/
SURGE
THERMAL
SHUT DOWN
LOAD SHORT
PROTECTOR
V
CC
-OUT1
+OUT1
POWER
GND2
+
-
IN
+
-
IN
IN2
POWER
GND1
14
2
1
3
4
6
7
5
8
10
9
11
12
13
IN1
PRE-GND
STBY
ON TIME
POP
PWR-GND2
PWR-GND1
V
CC
DC
LA4625
(XY209A0R)
Power Amplifier 13.5W
AM: IC201
MC34063EBD-TR
(X7371A00)
DC-DC Converter
DM: IC19
S Q
R
Q2
Q1
100
Ipk
Oscillator CT
Comparator
+
±
1.25 V
Reference
Regulator
Drive
Collector
Ipk
Sense
VCC
Comparator
Inverting
Input
Switch
Collector
Switch
Emitter
Timing
Capacitor
Gnd
8
7
6
5
4
3
2
1
R5520H001B-T1-F
(X7569A00)
USB High-Side Power Switch
GATE
CONTROL
5
OUT
3
FLG
2
GND
4
IN
1
EN
CURRENT
LIMIT
UVLO
THERMAL
SHUTDOWN
FLAG
DELAY
1
5
2
3
4
EN
FLG
OUT
IN
GND
DM: IC18
Содержание PSR-S550B
Страница 23: ...23 PSR S550 PSR S550B Pattern Side パターン側 2NA WH33370 DM Circuit Board ...
Страница 29: ...29 PSR S550 PSR S550B 2NA WH50940 to PNL CN101 B B B B Pattern Side パターン側 PNC Circuit Board ...
Страница 31: ...31 PSR S550 PSR S550B B B B B to PNL CN102 Pattern Side パターン側 2NA WH50940 PNR Circuit Board ...