Typical Applications; Parallel Connection - Epson S1F76610 series Technical Manual

Cmos dc/dc converter (voltage doubler / tripler) & voltage regulator
Table of Contents

Advertisement

S1F76610 Series

TYPICAL APPLICATIONS

Voltage Tripler with Regulator
The following figure shows the circuit required to triple
the input voltage, regulate the result and add a tempera-
ture gradient of –0.4%/°C. Note that the high input im-
pedance of RV requires appropriate noise countermea-
sures.
V
= 0 V
DD
1
C1 +
10 µF
2
3
5 V
C2
+
10 µF
4
5
6
7
V
= –5 V
I
+
10 µF

Parallel Connection

Connecting two or more chips in parallel reduces the
output impedance by 1/n, where n is the number of de-
vices used.
Only the single output smoothing capacitor, C3, is re-
V
= 0 V
DD
+
C1
10 µF
C2
+
10 µF
5 V
V
= –5 V
I
2–12
14
R
13
R1
RV
R
100 kΩ
OSC
1 MΩ
12
to
R2
1 MΩ
11
10
9
V
REG
8
V
= –15 V
O
C3
1
14
2
13
3
12
4
11
5
10
6
9
7
8
Converting a Voltage Tripler to a Voltage
Doubler
To convert this curcuit to a voltage doubler, remove ca-
pacitor C2 and short circuit CAP2– to V
V
= 0 V
DD
5 V
+
C4
10 µF
= –8 V
V
= –5 V
I
R
RV
=
V
RV
R
1
quired when any number of devices are connected in
parallel. Also, the voltage regulator in one chip is suffi-
cient to regulate the combined output.
1
+
C1
10 µF
2
R
OSC
1 MΩ
3
C2
+
10 µF
4
5
6
7
+
C3
10 µF
EPSON
1
14
C1 +
10µF
2
13
3
12
C2
+
10µF
4
11
5
10
6
9
7
8
+
C3
10 µF
14
13
R
OSC
1 MΩ
12
11
10
9
8
V
= –15 V
O
.
O
R
OSC
1 MΩ
V
= –15 V
O
R
RV
100 kΩ
to
1 MΩ
+
C4
10 µF
V
= –10 V
REG
S1F70000 Series
Technical Manual

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

S1f76610m0b0S1f76610c0b0S1f76610m2b0

Table of Contents