S1F76540MOC Epson Electronics America, Inc., S1F76540MOC Datasheet - Page 31

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

9. REFERENCE: EXTERNAL CONNECTION EXAMPLES
9.8.2
VO to VRI must be as short as possible. Fig.9.12 shows the electric potential relation diagram.
28
Fig.9.11 shows a “sextuple boosting + regulator” connection example with two diodes used. The cable from
V
V
REG
DD
Sextuple Boosting + Regulator
Fig. 9.11 Setting conditions
VI
Internal clock :
Booster
Regulator
R1
V
VI
VO
DD
+
Fig.9.11 Sextuple boosting connection example using two diodes
Fig.9.12 Sextuple-boosting potential relation using two diodes
CREG
+
CI
:
:
R2
ON (Low output mode)
ON
ON (Select CT0 = -0.05%/°C.)
4VI
1
2
3
4
5
6
7
8
1
6VI
VO
VRI
V
RV
V
FC
TC1
TC2
REG
DD
EPSON
2×VF
POFF1X
POFF2X
C2N
C3N
C1N
C2P
C1P
VI
16
15
14
13
12
11
10
S1F76540M0C Series Technical Manual (Rev.1.0)
9
6VI −(2×VF)
C2
C1
+
+
VO’
+
C4
C3
+
D1
+
C5
D2
+
CO
VO’