Panasonic DMR-ES16PC Service Manual page 55

IC1150
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
UVLO UVLO
+ +
LATCH RELEASE/
-
-
OVER VOLTAGE
PROTECTOR/
OVER HEATING VCC(START) VCC(STARTUP OFF)
PROTECTOR /VCC(STOP) /VCC(STARTUP ON)
IDP(LIMIIT/
BURST)SENS.
Z/C ZERO CURRENT
1
DET./ONDEAD TIMER
CONTROL SOFT-DRIVE
CIRCUIT CIRCUIT
STANDBY
CIRCUIT
FB
2
ON WIDTH
TIMER
IC1302
DR +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
IC
VIN ON H VOUT SENSE
1 2 3 4 5
IC1501
XSW +5.2V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
Vin
VCC 1
4
START-UP DRAIN
5
CONT
CIRCUIT
3
GND
3
IC1502
ANA +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
VOUT
GND
55
Vout
5
+
ON/OFF
-
Circuit
Ref.Voltage
Circuit
GND
2
5 1
VIN
IC
NC GND CNT
4 2 3
DMR-ES16PC / DMR-ES16PL
IC1503
JC +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
7 6 5
VIN ON: H
SUB
DRIVER BIAS
CURRENT THERMAL
LIMITTER SHUTDOWN
REFERENCE
VOUT NC GND CN
1 2 3 4
IC1505
ANA +3.3V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
IC
VIN H :ON VOUT NC GND
1 2 3 4 5
IC1150 Detail Block Diagram
IC1302 Detail Block Diagram
IC1501 Detail Block Diagram
IC1502 Detail Block Diagram
IC1503 Detail Block Diagram
IC1505 Detail Block Diagram
DMR-ES16PC IC-Detail Block Diagram