
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
Monolithic Linear IC
LA5655
Voltage Regulator for
FLT Display Desk-Top Calculator
Ordering number:ENN1595D
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
42000TN (KT)/8119YT/8287KI/4045MW, TS No.1595–1/3
Package Dimensions
unit:mm
3046B-SIP10F
[LA5655]
SANYO : SIP10F
Overview
The LA5655 is an IC containing all the voltage regulators
required for an FLT display desk-top calculator with a
printer.
Features and Functions
a. On-chip voltage regulators required for dest-top calcula-
tor (FLT display) with a printer.
1. Printer voltage regulator.
2. IC voltage regulator.
3. FLT anode, grid voltage regulator.
4. FLT heater grid voltage regulator.
5. FLT bias grid voltage regulator.
b. On-chip printer motor brake circuit.
Operating Conditions
at Ta = 25C
Specifications
Maximum Ratings
at Ta = 25C
C
C
0.5
25.5
24.0
3.6
3.6
1.3
10
1
2.54
1.32
1
1
3
8
1
0.45
1.6
r
m
a
P
l
b
m
y
S
s
n
o
n
o
C
s
g
n
R
t
U
1
2
e
e
g
g
a
v
a
v
t
p
t
p
n
g
n
g
e
t
e
c
t
e
c
t
e
c
w
o
p
e
a
m
e
g
n
p
m
e
e
g
a
S
e
e
e
g
g
a
V
a
V
p
O
p
O
p
O
o
O
V
V
1
2
T
T
T
a
m
r
o
g
T
N
N
I
U
U
U
I
0
5
0
5
2
4
V
V
1
2
3
t
t
t
w
I
I
I
1
2
X
O
O
O
d
T
A
A
A
m
m
m
W
0
4
4
7
+
o
1
+
o
r
g
e
r
h
)
e
,
n
,
=
o
C
X
(
I
0
5
5
5
n
o
p
s
d
r
e
p
e
p
x
P
0
2
0
–
4
2
–
r
m
a
P
l
b
m
y
S
s
n
o
n
o
C
s
g
n
R
t
U
e
g
n
a
e
g
a
v
t
p
n
g
g
a
v
g
a
v
e
H
L
e
g
a
V
T
M
T
M
VN
I1
V
N
E
V
E
0
5
o
o
o
0
2
V
V
V
e
e
n
n
H
L
A
A
0
3
+
0
3
–
N