S1F78100Y2A Epson Electronics America, Inc., S1F78100Y2A Datasheet - Page 101

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

(100k =1M )
S1F76640 Series
Parallel Connection
connected. Parallel connection of n circuits reduces R
tor C
of the circuit shown in Figure 8.2 in the parallel connection of n circuits as shown in Figure 8.3.
Series Connection
next stage respectively), the output voltage can be increased more. But the series connection makes the output
impedance high. Figure 8.4 shows an example of the series connection to get V
stabilize it.
2–58
When S1F76640 is connected in series (V
It is possible to make the output impedance R
V
REG
4
R
can be commonly used in the same way. To get stabilized outputs after parallel connection, include 1 pieces
RV
1
2
3
4
5
6
7
8
RV
V
TC1
TC2
P
V
OSC1
OSC2
REG
OFF
SS
1
2
3
4
5
6
7
8
RV
V
TC1
TC2
P
V
OSC1
OSC2
REG
OFF
SS
CAP3+
CAP2+
CAP2–
CAP1+
CAP1–
V
V
V
DD
RI
O
Figure 8.3 Parallel Connection
Figure 8.4 Series Connection
CAP3+
CAP2+
CAP1+
16
15
14
13
12
11
10
CAP2–
CAP1–
9
C
V
DD
V
1
V
DD
+
–
RI
O
+
–
and V
O
16
15
14
13
12
11
10
9
small when several pieces of the circuit shown in Figure 8.1 are
D
C
C
1
EPSON
O
2
1
O
in the previous stage are connected to GND and V
to 1/n approximately. One piece of the smoothing capaci-
+
–
+
–
C
+
–
3
+
–
C
4
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
RV
V
TC1
TC2
P
V
OSC1
OSC2
RV
V
TC1
TC2
P
V
OSC1
OSC2
REG
OFF
SS
REG
OFF
SS
O
=25V from V
CAP3+
CAP2+
CAP2–
CAP1+
CAP1–
CAP3+
CAP2+
CAP2–
CAP1+
CAP1–
V
V
V
V
V
V
DD
DD
RI
RI
O
O
16
15
14
13
12
11
10
16
15
14
13
12
11
10
9
9
C
C
Technical Manual
S1F70000 Series
DD
1
2
=5V and to
+
+
–
+
–
+
–
+
–
DD
–
+
–
in the
+
–
C
3