BA3899F-E2 Rohm Semiconductor, BA3899F-E2 Datasheet

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BA3899F-E2

Manufacturer Part Number
BA3899F-E2
Description
IC EL DRIVER SOP8 TR
Manufacturer
Rohm Semiconductor
Type
EL Lamp Driverr
Datasheet

Specifications of BA3899F-E2

Current - Supply
4.6mA
Voltage - Supply
1 V ~ 7 V
Operating Temperature
-10°C ~ 60°C
Package / Case
8-SOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Frequency
-
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.
Pagers, electronic notebooks and other portable devices
1) Drive oscillation frequency can be set using external capacitance.
2) Equipped with standby control pin.
Power supply voltage
Power dissipation
Operating temperature
Storage temperature
Maximum applied voltage
Applications
Features
Absolute maximum ratings (Ta = 25°C)
Recommended operating conditions (Ta = 25°C)
Block diagram
Reduced by 4.5mW for each increase in Ta of 1 C over 25 C.
Power supply voltage
EL driver for portable sets
BA3899F
Standard ICs
Parameter
Parameter
SW1
GND
Symbol
8
1
V
Symbol
CC
Topr
Tstg
V
V
Pd
CC
ST
R
SW2
Min.
1.0
SW2
N.C.
2
7
– 10 ~ + 60
– 55 ~ + 125
Limits
Typ.
5.0
450
8.0
8.0
Max.
7.0
OSC1
V
C1
6
3
CC
Unit
mW
V
V
C
C
Unit
V
STBY
OSC2
STBY
C2
4
5
1

Related parts for BA3899F-E2

BA3899F-E2 Summary of contents

Page 1

... Standard ICs EL driver for portable sets BA3899F The BA3899F 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. ...

Page 2

... X1 X20 500 GND — GND BA3899F Function GND pin — OSC1 oscillator circuit; external capacitor pin OSC2 oscillator circuit; external capacitor pin Standby control pin (HIGH state: standby cancelled) When applying resistance, etc. to the STBY pin, be careful not to exceed the threshold values. ...

Page 3

... Counter V SW2 SW2 SW2 OSC1 Fig.1 = 5.0V 0.033 1500pF) Unit Conditions mA When used as stand-alone unit Hz — kHz — 1.0V 0.05V 0.05V 0.05V 0.05V 0.05V Vst = 0.35V 0.3V SW2 V — V — A — STBY 5 STBY OSC2 4 0.033 F 1500pF BA3899F = 0V SW1 = 1.0V SW1 = 0V SW2 3 ...

Page 4

... Because of the characteristics of the EL element, continuous application of particularly high DC power supply voltage can shorten the lifetime of the element. To avoid this, we recommend inserting a switch in the power supply line ROHM: 1SS376 1.5mH (TOKO: D73LC) Q2 SANYO: 2SC3645T 7 6 SW2 SW2 OSC1 N. 8200pF Fig. 2 BA3899F + 2.2 F 100k 5 STBY STBY R X 300k OSC2 10% 1500pF 10 ...

Page 5

... Standard ICs EL 5000pF R1 Q1 ROHM: 2SC4061KP 8 SW1 R GND 1 D1 ROHM: 1SS376 L1 4.7k ( TOKO: 43FS ) or ( TDK: NL453232 ) 1mH Q2 SANYO: 2SC3143K5 7 6 SW2 V CC SW2 OSC1 N. 0.033 F Fig. 3 BA3899F + 2 STBY V = 1.5V STBY Hi: act STBY OSC2 10% 1500pF 10 1. ...

Page 6

... A, LSI dispersion, temperature fluctuation, X and other elements can cause oscillation of the C2 pin to stop. Be sure the above condition is satisfied 5V 40Hz to SW1 ( ) shown in Figure 4 is applied to the output Max. (resistor for adjusting light volume) satisfies the following condition – 0. < 1500pF Fig.5 BA3899F should X Vx ...

Page 7

... INPUT VOLTAGE Fig. 10 SW2 source current vs. power supply voltage = – 1. SW1 1. SW1 BA3899F SW1 – 10k 0.033 1500pF SW2 75 C 100 – INPUT VOLTAGE Fig. 7 Oscillation frequency of C1 and C2 pins vs. power supply voltage 3 1.0V SW1 2 1.0 – ...

Page 8

... Standard ICs • External dimensions (Units: mm) 5.0 0 1.27 0.4 0.1 0.3Min. SOP8 8 0.15 BA3899F ...

Page 9

Appendix No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product ...

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