S1F76540MOC Epson Electronics America, Inc., S1F76540MOC Datasheet - Page 33

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

9. REFERENCE: EXTERNAL CONNECTION EXAMPLES
9.9 Positive Voltage Converter
regulator function.
relation diagram.
Fig.9.14 Electric potential relation diagram of positive voltage conversion connection example (3rd boosting)
30
S1F76540 boosts to the positive electric potential side using an external diode; however, it cannot use the
Fig.9.13 shows a “positive 3rd boosting” connection example, and Fig.9.14 shows the electric potential
V
DD
Fig.9.14 Setting conditions
VI
Internal clock :
Booster
Regulator
V
VI
DD
Fig.9.13 Positive voltage conversion connection example (3rd boosting)
CI
+
:
:
3VI
ON (Low output mode)
ON
OFF
1
2
3
4
5
6
7
8
1
VO
VRI
V
RV
V
FC
TC1
TC2
REG
DD
3×VF
EPSON
POFF1X
POFF2X
C2N
C3N
C1N
C2P
C1P
VI
S1F76540M0C Series Technical Manual (Rev.1.0)
16
15
14
13
12
11
10
9
3VI− (3×VF)
D1
C2
+
D2
VO’
C1
D3
CO
VO’