S1F78100Y2A Epson Electronics America, Inc., S1F78100Y2A Datasheet - Page 184

• Manufacturer Part Number: S1F78100Y2A
• Description: High Precision Voltage Regulators
• Manufacturer: Epson Electronics America, Inc.

EXAMPLE OF EXTERNAL CONNECTION OF REFERENCE CIRCUIT
Example of Standard Circuit
S1F70000 Series
Technical Manual
CIN2
V
DD
CIN1
SSCAP
soft start
compen-
ERCAP
phase
sation
ERCAP
SSCAP
POFFX
V
O
CIN1
CIN2
SSCAP
ERCAP
R
PchTr
L
CV
D
* Characteristics vary with applicable conditions and
Reference
voltage circuit
Error amplifier
parts. Select proper parts after sufficient evaluation.
O
Soft start Oscillator
+
–
V
100 F
1 F
0.1 F
330pF
100m
47 H
47 F
Schottkey
DD
PWM circuit
Low-voltage
protection circuit
Parts examples
V
EPSON
SS
+
–
(Sanyo 16SA100M)
(Hitachi 2SJ484)
(Sumida CD105)
(Sanyo 16SA47M)
(Rohm RB161L-40)
Overcurrent
protection
Driver
–
+
circuit
I
SENSE
SWO
D
S1F71100 Series
Pch
MOSTr
Load current
detection resistor R
CV
OUT
L
4–39
3.3V
V
O