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Número de pieza | BA3899 | |
Descripción | EL driver for portable sets | |
Fabricantes | ROHM Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de BA3899 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
No Preview Available ! Standard ICs
EL driver for portable sets
BA3899F
The BA3899F is an IC developed for EL drive applications. It uses a more compact interface than transformer sys-
tems, and is ideal for use in thin sets.
•Applications
Pagers, electronic notebooks and other portable devices
•Features
1) Drive oscillation frequency can be set using external capacitance.
2) Equipped with standby control pin.
•Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Power supply voltage
Power dissipation
VCC 8.0
Pd 450∗
Operating temperature
Topr
– 10 ~ + 60
Storage temperature
Tstg – 55 ~ + 125
Maximum applied voltage
VST
∗ Reduced by 4.5mW for each increase in Ta of 1°C over 25°C.
8.0
•Recommended operating conditions (Ta = 25°C)
Unit
V
mW
°C
°C
V
Parameter
Power supply voltage
Symbol Min. Typ. Max. Unit
VCC 1.0 5.0 7.0 V
•Block diagram
SW1
8
SW2
7
VCC STBY
65
RSW2
STBY
1
GND
2
N.C.
OSC1
3
C1
OSC2
4
C2
1
1 page Standard ICs
EL 5000pF
D1
ROHM: 1SS376
R1 4.7k
Q1
ROHM: 2SC4061KP
L1
1mH (TOKO: 43FS) or (TDK: NL453232)
Q2
SANYO: 2SC3143K5
+
2.2µF
8 SW1
7 SW2
6 VCC
5 STBY
RSW2
STBY
BA3899F
VCC = 1.5V
VSTBY = 1.5V
Hi: act
1 GND
OSC1
OSC2
2 N.C.
3 C1
4 C2
C1
0.033µF ± 10%
Fig. 3
C2
1500pF ± 10%
5
5 Page |
Páginas | Total 8 Páginas | |
PDF Descargar | [ Datasheet BA3899.PDF ] |
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BA3899F | EL driver for portable sets | ROHM Semiconductor |
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