Panasonic DMR-ES35VP Service Manual page 72

DMR-ES35VP / DMR-ES35VPC
IC11201
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
LATCH RELEASE/
OVER VOLTAGE
PROTECTOR/
VCC(START)
OVER HEATING
/VCC(STOP)
PROTECTOR
Z/C
ZERO CURRENT
1
DET./ONDEAD TIMER
STANDBY
CIRCUIT
FB
2
ON WIDTH
TIMER
GND
3
IC11601
DR +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
8 7
CS
CONTROL LOGIC
LEVEL
SHIFT
V5
UVLOcomp
+
-
VREF
VIN
1 2
5 9
VIN DRAIN
VCC
7
UVLO UVLO
+ +
START-UP
- - CIRCUIT
VCC(STARTUP OFF)
/VCC(STARTUP ON)
IDP(LIMIIT/
BURST)SENS.
CONTROL SOFT-DRIVE
CIRCUIT CIRCUIT
OCP THRESHOLD
COMPARATOR/
RESTERT
BURST MODE
TIMER
OCP THRESHOLD
COMPARATOR
6 5
EXT GND FB
0.8V
+ -
CNT.
COMP
- - + +
V5/PWON VREF/SS CC
3 4
IC11720
F+ SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
8 7 6 5
VIN NC NC CONT
DRIVER BIAS
CURRENT THERMAL
LIMITTER SHUTDOWN
REFERENCE
VOUT NC CN GND
1 2 3 4
72
IC11301
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
UVLO UVLO
+ +
LATCH RELEASE/
-
-
OVER VOLTAGE
PROTECTOR/
VCC(START) VCC(STARTUP OFF)
OVER HEATING
/VCC(STOP) /VCC(STARTUP ON)
PROTECTOR
IDP(LIMIIT/
BURST)SENS.
Z/C ZERO CURRENT
1
DET./ONDEAD TIMER
CONTROL SOFT-DRIVE
CIRCUIT CIRCUIT
STANDBY
CIRCUIT
FB
2
ON WIDTH
TIMER
IC11801
D +3.8V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
8 7 6
CS EXT GND
0.8V
CONTROL LOGIC
LEVEL
+
SHIFT
CNT.
COMP
- - + +
V5
UVLOcomp
+
-
VREF
VIN PWON VREF/SS
1 2 3
IC11201
IC11301
IC11601
IC11720
IC11801
DMR-ES35VP/PC IC-Detail Block Diagram
VCC
4
START-UP DRAIN
5
CIRCUIT
GND
3
5
FB
-
CC
4
Detail Block Diagram
Detail Block Diagram
Detail Block Diagram
Detail Block Diagram
Detail Block Diagram