Table of Contents
Advertisement
Note 1 :
All voltage values are based on GND being 0V.
Note 2 :
The value shown here is the step-up circuit conversion efficiency, and (V
stabilization circuit operates. So, it is recommended to operate this so that (V
as possible. When (V
stabilization circuit change.
Note 3 :
See Figures 6-5-14, 6-5-15 and 6-5-16.
Note 4 :
R
means inclination in Fig. 6-5-17, and V
SAT
V
output.
REG
Note 5 :
The calculation formula of C
V
(50˚C) – V
REG
C
=
T
50˚C – 0˚C
Measurement Circuit (Described on S1F76640M0A0)
Step-up circuit characteristic measurement circuit
Stabilization circuit characteristic measurement circuit
S1F70000 Series
Technical Manual
-V
)
I
is large, the IC temperature rises and the characteristics of the
O
REG
O
is as follows:
T
(0˚C)
1
REG
V
(25˚C)
REG
1
2
3
4
5
6
7
A
I
OPR1
R
OSC
8
V
O
R
1
R
L
V
R
2
A
I
O
V
I
EPSON
- (V
-V
) indicates the lower limit voltage of the
O
O
REG
100 (%/˚C)
A
I
O
V
16
R
L
15
14
+
13
C
+
2
12
C
3
–
–
+
11
C
1
–
10
9
A
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
(R
=R
RV
1
S1F76640 Series
-V
)I
is lost when the
O
REG
OUT
-V
) becomes as small
O
REG
V
O
+
C
4
–
+R
)
2
2–49
- Quick Links:
- Block Diagram
Hide quick links:
Advertisement
Table of Contents
