S1F76540MOC Epson Electronics America, Inc., S1F76540MOC Datasheet - Page 23

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

9. REFERENCE: EXTERNAL CONNECTION EXAMPLES
9.2 3rd Boosting + Regulator
VREG pin.
20
Perform 3rd boosting in the negative direction for input voltage VI, and generate the stabilized voltage in the
Fig.9.2 shows a connection example.
Fig.9.2 Setting conditions
Power-off method
About regulator
Other setting conditions
Set the POFF1X pin to level LOW (VI); all circuits will be turned off.
For information about the regulator setting method and notes, see Section 5.4.
When using the high output mode
Connect the FC pin to VI.
When changing the temperature coefficient CT
Change the TC1 and TC2 pins as shown in Table 5.3.
Internal clock :
Booster
Regulator
V
V
REG
DD
VI
:
:
Fig.9.2 3rd boosting + regulator connection example
R1
ON (Low output mode)
ON
ON (Select CT0 = -0.05%/°C.)
+
CREG
+
+
CI
R2
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
C1N
C2P
X3N
C1P
VI
16
15
14
13
12
11
10
9
C2
C1
+
+