S1F78100Y2A Epson Electronics America, Inc., S1F78100Y2A Datasheet - Page 18
S1F78100Y2A
Manufacturer Part Number
S1F78100Y2A
Description
High Precision Voltage Regulators
Manufacturer
Epson Electronics America, Inc.
Datasheet
1.S1F78100Y2A.pdf
(258 pages)
- Current page: 18 of 258
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S1F76600 Series CMOS DC/DC Converter (Voltage Doubler)
DESCRIPTION
The S1F76600 Series is a highly efficient CMOS DC/
DC converter for doubling an input voltage (from
–1.5V to –8V). This power-saving IC allows portable
computers and similar hand-held equipment to operate
from a single power supply, even when they incorporate
LSIs that operate at voltages different from those of
logic circuits, for example, LCD drivers and analog
LSIs.
The S1F76600C0B0 is available in 8-pin plastic DIPs,
and the S1F76600M0B0, in 8-pin plastic SOPs.
FEATURES
• 95% (Typ.) conversion efficiency
• Two output voltages, V
• 30mA maximum output current at 5V
• Connecting-in-series configuration obtains a higher
• Low operating voltage
• On-chip CR oscillator
• 8-pin plastic DIP and 8-pin plastic SOP
APPLICATIONS
• Fixed-voltage power supplies for battery-operated
• Power supplies for pagers, memory cards, calculators
PIN DESCRIPTIONS
S1F70000 Series
Technical Manual
output voltage (V
equipment
and similar hand-held equipment
Pin No.
1
2
3
4
5
6
7
8
1
=–5V, V
Pin name
CAP1+
CAP1–
OSC2
OSC1
V
NC
V
V
DD
O
O
I
, relative to V
0
=–15V at two-in-series).
No connection
Resistor connection. Open when using external clock
Resistor connection. Clock input when using external clock
Positive supply (system V
Positive charge-pump connection
Negative charge-pump connection
Negative supply (system ground)
2 multiplier output
DD
and V
I
EPSON
• Fixed-voltage power supplies for medical equipment
• Fixed-voltage power supplies for communications
• Uninterruptable power supplies
BLOCK DIAGRAM
PIN ASSIGNMENTS
OSC1
OSC2
equipment
V
DD
V
CC
I
Description
OSC2
OSC1
)
V
NC
DD
1
2
3
4
Voltage converter
S1F76600M0B0
CR oscillator
/C0B0
S1F76600 Series
8
7
6
5
V
V
CAP1–
CAP1+
I
O
CAP1+
CAP1–
V
O
1–1
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