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PDF SM8143 Data sheet ( Hoja de datos )
| Número de pieza | SM8143 | |
| Descripción | EL Sheet Driver | |
| Fabricantes | Nippon Precision Circuits Inc | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SM8143 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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NIPPON PRECISION CIRCUITS INC.
SM8143A
EL Sheet Driver
OVERVIEW
The SM8143A is a transformer-less electroluminescent (EL) driver IC, capable of driving displays up to 80
cm2 in size. It is a high-efficiency driver that features revised coil switching transistor ON resistance and output
circuit configuration to reduce loss.
The EL drive frequency and coil drive frequency can be controlled independently, making the driver circuit
optimizable to match application requirements. A microcontroller interface pin (ENA) is provided, which can
be used to control the EL driver ON/OFF function. The device is available in 16-pin VSOP packages.
FEATURES
s Dedicated EL driver
s 1.6 to 5.5 V supply voltage
s 150mA maximum operating current
(VDD = 3.0V, Ta ≤ 70°C)
s 3.5Ω typical output resistance
s 200 Vp-p maximum EL driver voltage*
s 31 to 1500 Hz EL drive frequency range*
s High voltage CMOS Process
s 16-pin VSOP plastic package
*: Adjustable with external resistance.
APPLICATIONS
s Hand held PC, Palm size PC
s Mobile IT equipment
s White EL
ORDERING INFORMATION
PINOUT
(Top view)
N.C.
CHV
N.C.
LDR
N.C.
VSS
N.C.
OCL
1
8
16 N.C.
OUT1
N.C.
OUT2
N.C.
VDD
ENA
9 OCE
PACKAGE DIMENSIONS
(Unit : mm)
Device
SM8143AV
Package
16-pin VSOP
0.275TYP
5.1 0.2
0.65 0.10
0.22+-
0.10
0.05
0.12 M
0.15+-00..105
0 10
0.5 0.2
NIPPON PRECISION CIRCUITS—1
1 page  
SM8143A
TYPICAL APPLICATIONS
s EL sheet size: 20 to 30cm2, Current consumption: 20mA
0.1µF
100V
0.01µF
470µH
3.0V 180kΩ
N.C.
CHV
N.C.
LDR
N.C.
VSS
N.C.
OCL
N.C.
OUT1
N.C.
OUT2
N.C.
VDD
ENA
OCE
EL sheet
180kΩ
Diode: TOSHIBA 1SS250
Coil: MURATA LQH4N471K04M00
s EL sheet size: 30 to 50cm2, Current consumption: 40mA
0.1µF
100V
0.01µF
470µH
3.0V 360kΩ
N.C.
CHV
N.C.
LDR
N.C.
VSS
N.C.
OCL
N.C.
OUT1
N.C.
OUT2
N.C.
VDD
ENA
OCE
EL sheet
180kΩ
Diode: TOSHIBA 1SS250
Coil: MURATA LQH4N471K04M00
s EL sheet size: 50 to 100cm2, Current consumption: 80mA
0.01µF
0.1µF
100V
330µH
3.0V 510kΩ
N.C.
CHV
N.C.
LDR
N.C.
VSS
N.C.
OCL
N.C.
OUT1
N.C.
OUT2
N.C.
VDD
ENA
OCE
EL sheet
180kΩ
Diode: TOSHIBA 1SS250
Coil: TOKO D73LC (817CE331M)
Note: Do not operate the SM8143A with the EL sheet NOT connected (no load to OUT1/OUT2) since the IC will be damaged.
NIPPON PRECISION CIRCUITS—5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet SM8143.PDF ] | |
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