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9.3 Double Boosting + Regulator
Perform double boosting in the negative direction for input voltage VI, and generate the stabilized voltage in the
V
pin.
REG
Figure 9.3 shows a connection example.
V
REG
V
DD
VI
Figure 9.3 Double boosting + regulator connection example
Figure 9.3 Setting conditions
Internal clock
Booster
Regulator
Power-off method
Set the POFF1X pin to level LOW (VI); all circuits will be turned off.
About regulator
For information about the regulator setting method and notes, see Section 5.4.
Other setting conditions
(1) When using the high output mode
Connect the FC pin to VI.
(2) When changing the temperature coefficient CT
Change the TC1 and TC2 pins as shown in Table 5.3.
S1F76540M0C Series Technical Manual
(Rev.1.1)
9. REFERENCE: EXTERNAL CONNECTION EXAMPLES
CO
+
CREG
+
R1
R2
+
CI
:
ON (Low output mode)
:
ON
:
ON (Select CT0 = -0.05%/°C.)
1
1
VO
C2P
2
VRI
C2N
3
V
C3N
REG
4
RV
C1N
5
V
C1P
DD
6
FC
VI
7
TC1
POFF1X
8
TC2
POFF2X
EPSON
16
15
14
C1
13
+
12
11
10
9
21
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