Block Diagram - Epson S1F76980 Technical Manual

4. BLOCK DIAGRAM

4. BLOCK DIAGRAM
V
BAT
V
BUS
V
CC
V
CC
BSEL
V
BUS
IQ
CUDLY
ONOFSW
CSFT
V
BAT
PSW
CBDLY
TM3
Power
switching circuit
V
DD
Reference
voltage
V
generator
SS
2
Power
voltage
monitoring
circuit
(V )
CC
Power
voltage
monitoring
circuit
(V )
BUS
Power
voltage
monitoring
circuit
(V )
BAT
Power-on
reset
circuit
Fig.4.1 Block diagram
EPSON
S1F76980
OC1
Switching
control
circuit
OC2
OU1
OU2
OB1
OB2
V
OUT
FB
CDET
UDET
BDET
S1F76980 Technical Manual (Rev.1.0)