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S1F71200 Series
S1F70000 Series EPSON 4–53
Technical Manual
S1F71200
Series
Example of Parts Connection
SWO
V
DD1
S1F71200
V
DD2
PNPTr
EXO
V
O
CV
SW
D
L
SRC
CV
OUT
CV
DD1
V
BAT
AC/DC
I
REF
V
REF
RI
REF
CV
REF
SSC
CSSC
V
SS
SWC
VC
POFFX
V
SW
I
SENSE
R
SENSE
N
ch
MOSTr
Input voltage
Output voltage
Parts examples
CV
DD1 47µF (Sanyo 16SA47M)
NchTr (Hitachi HAT2037T)
L47µH (Sumida CR54)
D Schottky (Rohm RB161L-40)
CV
SW 47µF (Sanyo 16SA47M)
PNPTr (2SA1242)
CV
OUT 22µF (Sanyo 10SL22M)
RI
REF 100kΩ
CV
REF 0.1µF
CSSC 0.1µF
R
SENSE 0.1Ω
* Characteristics vary with applicable conditions and parts. Select proper parts after sufficient evaluation.