S1F76540MOC Epson Electronics America, Inc., S1F76540MOC Datasheet - Page 27

• Manufacturer Part Number: S1F76540MOC
• Description: Charge Pump Type Dc/dc Converter
• Manufacturer: Epson Electronics America, Inc.

9. REFERENCE: EXTERNAL CONNECTION EXAMPLES
9.6 Double Boosting
voltage in the VO pin.
24
Run only the booster, perform double boosting in the negative direction for input voltage VI, and generate the
In this case, the regulator is not used, so the voltage containing ripple components is generated in the VO pin.
Fig.9.7 shows a connection example.
Fig.9.7 Setting conditions
Power-off method
About ripple voltage
Other setting conditions
Set the POFF2X pin to level LOW (VI); all circuits will be turned off.
For ripple voltage, see Section 9.4.
When using the high output mode
Connect the FC pin to VI.
Internal clock :
Booster
Regulator
VO
V
DD
VI
:
:
ON (Low output mode)
ON
OFF
Fig.9.7 Double boosting connection example
CI
+
+
CO
EPSON
1
2
3
4
5
6
7
8
1
VO
VRI
V
RV
V
FC
TC1
TC2
REG
DD
S1F76540M0C Series Technical Manual (Rev.1.0)
POFF1X
POFF2X
C2N
C3N
C1N
C2P
C1P
VI
16
15
14
13
12
11
10
9
C1
+