Positive Voltage Converter - Epson S1F76540M0C Series Technical Manual

9. REFERENCE: EXTERNAL CONNECTION EXAMPLES

9.9 Positive Voltage Converter

S1F76540 boosts to the positive electric potential side using an external diode; however, it cannot use the
regulator function.
Figure 9.13 shows a "positive 3rd boosting" connection example, and Figure 9.14 shows the electric potential
relation diagram.
V
DD
VI
Figure 9.13 Positive voltage conversion connection example (3rd boosting)
Figure 9.14 Setting conditions
Internal clock
Booster
Regulator
V
DD
VI
Figure 9.14 Electric potential relation diagram of positive voltage conversion connection example
30
1 1 VO
2 VRI
3 V
REG
4 RV
5 V
DD
+
6 FC
CI
7 TC1
8 TC2
: ON (Low output mode)
: ON
: OFF
3×VF
3VI
(3rd boosting)
EPSON
D1 D2
+
C2
C2P 16
C2N 15
C3N 14
C1N 13
C1P 12
VI 11
POFF1X 10
POFF2X 9
VO'
3VI− (3×VF)
S1F76540M0C Series Technical Manual
D3
VO'
C1 CO
(Rev.1.1)