S1F78100Y2A Epson Electronics America, Inc., S1F78100Y2A Datasheet - Page 73

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

S1F76540 Series
APPLICATION CIRCUIT EXAMPLES
Four-time Booster and Regulator
Figure 2.8 gives a wiring example of four-time booster
and regulator that is the typical S1F76540 application.
This example boosts the input voltage (V
2–30
Setup conditions of Figure 2.8
• Internal clock : ON (Low Output mode)
• Booster circuit : ON
• Regulator
Power-off procedure
• Set the P
Regulator
• For the regulator setup and notes, see the “voltage regulator circuit” section.
Application in other setup conditions
1 When used in the High Output mode
2 When changing the temperature coefficient (C
• Connect the FC pin to the V
• Change the TC1 and TC2 pin setup by following the definition of Table 2.7.
OFF1
pin to logical low (V
: ON (if C
V
Figure 2.8 Wiring example of 4-time booster and regulator
V
REG
DD
V
I
T
= –0.04%/ C)
I
pin.
I
R1
) to turn off all circuits.
I
C
) four times in
I
+
+
C
C
R2
+
O
REG
T
EPSON
)
negative direction, and outputs the regulated voltage at
V
REG
1
2
3
4
5
6
7
8
V
V
V
RV
V
FC
TC1
TC2
pin.
O
RI
REG
DD
P
P
C2N
C3N
C1N
C2P
C1P
OFF1
OFF2
V
I
16
15
14
13
12
11
10
9
C1
+
C2
+
+
C3
Technical Manual
S1F70000 Series