Panasonic DMR-EZ28P

VCC
UVLOUVLO
FB
Z/C
2
1
4
DRAIN
5
3
GND
DET./ONDEAD TIMER
ZERO CURRENT
TIMER
ON WIDTH
CIRCUIT
STANDBY
PROTECTOR
OVER HEATING
PROTECTOR/
OVER VOLTAGE
LATCH RELEASE/
/VCC(STOP)
VCC(START)
-
+
CIRCUIT
CONTROL
CIRCUIT
SOFT-DRIVE
BURST)SENS.
IDP(LIMIIT/
/VCC(STARTUP ON)
VCC(STARTUP OFF)
-
+
CIRCUIT
START-UP
CONT
Circuit
Ref.Voltage
-
Vout
GND
3
5
2
1
Vin
Circuit
ON/OFF
+
CN GND VOUT
CONT
VIN
SHUTDOWN
THERMAL
LIMITTER
CURRENT
DRIVER BIAS
REFERENCE
8
1234
567
CCVREF/SSV5/PWONVIN
FBGNDEXTCS
COMP
CNT.
-+
SHIFT
LEVEL
UVLOcomp
VREF
0.8V
V5
+
-
RESET
CONTROL LOGIC
+-+-
8765
4321
VIN
SUB
ON: H
VOUT
GNDNC CN
SHUTDOWN
THERMAL
LIMITTER
CURRENT
DRIVER BIAS
REFERENCE
7
1324
5
6
Vc
-
Vout
1
4
Sense
5
GND
3
2
Vin
REF
TSD
+
Vc
-
Vout
1
4
ADJ
5
GND
3
2
Vin
REF
TSD
ON/
OFF
+
-
+
-
+
OCP
Drive
AMP1
IC1120 Detail Block Diagram
IC1250 Detail Block Diagram
IC1260 Detail Block Diagram
IC1320 Detail Block Diagram
IC1330 Detail Block Diagram
IC1340 Detail Block Diagram
IC1350 Detail Block Diagram
IC1360 Detail Block Diagram
DMR-EZ28P/PC IC-Detail Block Diagram
IC1120
SWITCHING IC
IC-DETAIL BLOCK DIAGRAM
IC1330
REG. X SW+5.2V
IC-DETAIL BLOCK DIAGRAM
IC1340
REG. D+5V
IC1360
REG. D+3.3V
IC-DETAIL BLOCK DIAGRAM
IC1320
REG. ANA+3.3V
IC-DETAIL BLOCK DIAGRAM
IC1250
DC-DC CONVERTER
IC-DETAIL BLOCK DIAGRAM
IC1260
REG. DR+5V
IC-DETAIL BLOCK DIAGRAM
IC1350
REG. DI PON PL1 +5V
IC-DETAIL BLOCK DIAGRAM
DMR-EZ28P / DMR -EZ28 PC
43