S1F78100Y2A Epson Electronics America, Inc., S1F78100Y2A Datasheet - Page 79
S1F78100Y2A
Manufacturer Part Number
S1F78100Y2A
Description
High Precision Voltage Regulators
Manufacturer
Epson Electronics America, Inc.
Datasheet
1.S1F78100Y2A.pdf
(258 pages)
- Current page: 79 of 258
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S1F76540 Series
Wiring Example When Changing the
Regulator Temperature Coefficient
The temperature coefficient of the regulator depends on
the temperature coefficient of the internal reference
2–36
Output voltages
• When diodes are used for voltage boosting, the characteristics of diodes directly affect on the voltage boosting
Notes
1 Input and output current conditions
2 Input and output voltage conditions
Application in other setup conditions
When used in the High Output mode, connect the FC pin to the V
characteristics. The forward voltage drop (V
of Figure 2.14 uses three diodes, the drop of “V
voltage is expressed by equation (5).
To increase the |V
To satisfy the input and output current ratings, take care to limit the input current below the ratings.
During forward voltage conversion, the input voltage ratings are the same as two-time negative voltage boost-
ing (see Table 2.3).
| V
Figure 2.16 Wiring example when changing the regulator temperature coefficient
O
' | = 3
V
REG
V
V
| V
DD
I
O
I
'| value, use the diodes having a smaller V
| – (3
V
F
R1
)
C
+
+
I
C
C
R2
+
O
REG
F
) of diodes can reduce the booster output voltage. As the example
EPSON
F
” voltage multiplied by three occurs. The booster output
RP
RT
voltage. To set another temperature coefficient, use a
thermistor resistor or others as shown in Figure 2.16.
F
1
2
3
4
5
6
7
8
.
I
V
V
V
RV
V
FC
TC1
TC2
pin.
O
RI
REG
DD
P
P
C2N
C3N
C1N
C2P
C1P
OFF1
OFF2
• • • • Equation (6)
V
I
16
15
14
13
12
11
10
9
C1
+
C2
+
C3
+
Technical Manual
S1F70000 Series
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