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S1F71200 Series
4–42 EPSON S1F70000 Series
Technical Manual
BLOCK DIAGRAM
SWO
V
DD1
V
DD2
EXO
V
O
SRC
I
REF
V
REF
SSC
V
SS
SWC
V
C
POFFX
V
SW
I
SENSE
Oscillator
PWM
_
+
+
_
_
+
Driver
Overcurrent detection
circuit
Soft start
Series regulator
Error amplifier
Reference
voltage
circuit