S1F78100Y2A Epson Electronics America, Inc., S1F78100Y2A Datasheet - Page 39

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

S1F76620 Series
Series Connection
When S1F76620 is connected in series (V
stage respectively), the output voltage can be increased more. But the series connection makes the output impedance
high. Figure 3 shows an example of the series connection to get V
Note
When the input voltage in the next stage is as per the specification (V
output in the first stage (V
1–22
V
I
GND(0V)
GND(0V)
V
V
DD
DD
1
2
3
4
(2V)
(5V)
P
GND
OSC1
OSC2
Figure 4 Power Supply Relations in Series Connection (1)
Figure 5 Power Supply Relations in Series Connection (2)
OFF
O
-V
V
DD
V
O
O
=10V
) can be used as the input in the next stage (V
CAP1+
=4V
CAP1–
V
V
DD
O
DD
Figure 3 Series Connection
8
7
6
5
and V
First stage
First stage
O
Vo=2 V
+
–
in the previous stage are connected to GND and V
EPSON
•
+
–
I
Next stage
Next stage
O
= 15V from V
GND'
GND'
V
V
DD
DD
1
2
3
4
DD
'
'
-GND
P
GND
OSC1
OSC2
OFF
V
V
O
O
DD
'=15V
'=8V
DD
-GND). (See Figure 5.)
8V) in a series connection, the
= 5V.
CAP1+
CAP1–
V
V
DD
O
8
7
6
5
Technical Manual
+
–
S1F70000 Series
DD
Vo'=3 V
+
–
in the next
•
I