S1F78100Y2A Epson Electronics America, Inc., S1F78100Y2A Datasheet - Page 90

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

Recommended Operating Conditions
Note 1 :
Note 2 :
Note 3 :
S1F70000 Series
Technical Manual
Step-up start voltage
Step-up stop voltage
Output load resistance
Output load current
Oscillation frequency
External resistor
for oscillation
Step-up capacitor C
Stabilization output
regulation resistance
Figure 6-2-1 Recommended Circuit Diagram for Low Voltage Operation (Example of 4 times
Parameter
All voltages are based on the GND being 0V.
The figure below shows the recommended circuit for operation with low voltages (V
R
L
V
min varies with input voltage. See Characteristics Graph (15).
I
Symbol
1
,C
V
V
R
V
(D1(VF(1F=1mA) is recommended to be not more than 0.6V.)
f
R
OSC
STA1
STA2
R
2
STP
I
OSC
O
RV
,C
L
3
,C
4
R
1
2
3
4
5
6
7
8
L
min Note 3)
RV
V
TC1
TC2
P
V
OSC1
OSC2
Min.
REG
OFF
SS
680
100
1.8
2.2
3.3
10
—
—
Rating
step-up circuit)
CAP3+
CAP2+
CAP1+
CAP2–
CAP1–
EPSON
V
V
V
DD
RI
O
Max.
2000
1000
1.8
16
15
14
13
12
11
10
20
30
—
—
—
—
9
–
+
+
–
C
C
2
1
Unit
+
–
kHz
mA
k
k
V
V
V
F
C
3
Remarks
R
C
Note 2
R
R
C
OSC
L
OSC
OSC
4
/C
4
D
=1M , C
=1M
=1M
1
R
1/20
L
S1F76640 Series
—
—
—
—
—
—
4
DD
10 F
C
L
=1.8 to 2.2V):
2–47