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
Variable Divided Voltage Generator
for LCD Use
Ordering number:ENN4145
LA5318M
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Overview
The LA5318M is a variable divided voltage generator IC
for multiple drive of LCD matrix.
Features
Package Dimensions
unit:mm
3035A-MFP16
16
[LA5318M]
• Power supply for variable bias LCD division drive (1/5
to 1/19 bias available by built-in resistances).
• Four operational amplifiers to deliver 5 voltage outputs.
• Low current drain (0.35mA typ).
• V1, V2 output current source side variable pin.
• Output on/off function V
• Miniflat package.
control pins.
REF
1
10.1
0.35
Specifications
Absolute Maximum Ratings at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatlovylppusmumixaMV
tnerructuptuomumixaMI
noitapissidrewopelbawollAxamdP 033Wm
erutarepmetgnitarepOrpoT 57+ot02–
erutarepmetegarotSgtsT 531+ot03–
Note : 1. Continuous operation (nonbreakdown) is guaranteed when operated at the maximum ratings shown above.
2. *The maximum output current is a value specified under the conditions otherwise specified separately.
3. Output pins V1 to V4 to VCC, GND short circuit not lasting more than 1ms is acceptable (| VCC – VEE | < 35V).
xamVCCV-
EE
xam4Vot1V *lanretnIAm
TUO
EE
1.27
9
4.4
8
0.15
1.5
1.8max
0.1
0.605
SANYO : MFP16
6.4
5.15
0.625
63V
˚C
˚C
Operating Conditions at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatlovylppuSV
egatlovtupnIV
tnerructupnII
I
tnerructuptuO
Note : 4. Set VCC and VEE so that | V1 | and | VEE-V4 | become 1V or greater.
I
I
V
EE
FER
RNI
RTUO
2,1TUO
4,3TUO
≥ V
FER
EE
31500TN (KT)/53196RM No.4145–1/5
6–ot5.53–V
6–ot53–V
0ot2.0–Am
05+ot0Am
5+ot5–Am
5+ot01–Am
LA5318M
Operating Characteristics at Ta = 25˚C, VCC–VEE=20V, V
retemaraPlobmySsnoitidnoC
niardtnerruCI
1oitaregatlovtuptuO1aR1V/2V69.100.240.2
2oitaregatlovtuptuO2aRV(
3oitaregatlovtuptuO1bRV
4oitaregatlovtuptuO2bRV
5oitaregatlovtuptuO3bRV
6oitaregatlovtuptuO4bRV
1oitarecnatsiserlanretnIR
2oitarecnatsiserlanretnIR
3oitarecnatsiserlanretnIR
4oitarecnatsiserlanretnIR
ecnatsiseRRRssorcadeilppasiV5.0nehweulavR
1noitalugerdaoL
2noitalugerdaoL
3noitalugerdaoL
4noitalugerdaoL
A1–noitalugerdaoL–∆ A1VI<Am5.0–
A2–noitalugerdaoL–∆ A2VI<Am5.0–
3–noitalugerdaoL–∆ 3VI<Am01–
4–noitalugerdaoL–∆ 4VI<Am01–
B1–noitalugerdaoL–∆ B1VI<Am5–
B2–noitalugerdaoL–∆ B2VI<Am5–
egatlovnoitarutasRTUOV
CCI,EE
∆ 1V
∆ 2V
∆ 3V
∆ 4V
VCCV–
EE
V(/)3V-
FER
1V/46.1100.2163.21
FER
2V/28.500.681.6
FER
V(/
FER
FER
V(/
FER
1RXR-1X*28
X
2RXR-2X*321
X
3RXR-3X*441
X
4RXV-4
X
I
RTUO
FER
*351
NI
I<Am1.0+
TUO
I<Am1.0+
TUO
I<Am1.0+
TUO
I<Am1.0+
TUO
TUO
TUO
TUO
TUO
TUO
TUO
TUO
V,Am02=
Note* : Referenced to R between RX4 and VIN3.
REF=VEE
R,V02=
X
FER
)3V-28.500.681.6
)4V-46.1100.2163.21
CC
, RX=8R, BIN=Open
sgnitaR
nimpytxam
V=RNI,R8=
CC
)4V-69.100.240.2
Vdna4
Am5+<102±Vm
Am5+<202±Vm
Am5+<302±Vm
Am5+<402±Vm
Am1.0–<102±Vm
Am1.0–<202±Vm
Am1.0–<302±Vm
Am1.0–<402±Vm
B,Am1.0–<1
NI
B,Am1.0–<2
NI
I.knisdna)–(evitagen
TUO
X
DNG=02±Vm
DNG=02±Vm
IecruoS(V7.2=RNI–
303kΩ
NI
si
TUO
).)+(evitisopsi
53.05.0Am
tinU
5.0V
Pin Assignment Block Diagram
Note : Use the IC so that V
must be obeyed.
RX1≥VRX2≥VRX3≥VRX4
No.4145–2/5