S1F78100Y2A Epson Electronics America, Inc., S1F78100Y2A Datasheet - Page 67
S1F78100Y2A
Manufacturer Part Number
S1F78100Y2A
Description
High Precision Voltage Regulators
Manufacturer
Epson Electronics America, Inc.
Datasheet
1.S1F78100Y2A.pdf
(258 pages)
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S1F76540 Series
Voltage Converter
The voltage converter, consisting of a boost control cir-
cuit and a voltage converter circuit, receives clocks
from the clock generator circuit and boosts the input
power voltage (V
four-time boosting, however, the three-time and two-
Figure 2.4 Electrical potentials during boosting (at –5V input)
Caution:
2–24
• When connecting a capacitor to the C1P, C2P, C1N, C2N, C3N, or V
close the capacitor to the IC package as much as possible to minimize the wiring length.
I
) four, three or two times. During
Two-time
boosting
10 V
Three-time
boosting
15 V
EPSON
time boost outputs cannot be obtained simultaneously.
Figure 2.4 gives the potential relationship during four-,
three- and two-time boosting. The C2P pin is also used
as the master clock output during parallel connection.
Four-time
boosting
20 V
(–5 V)
(0 V)
V
–10 V
–15 V
–20 V
V
DD
I
O
pin for voltage conversion,
Technical Manual
S1F70000 Series
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